In C. nigrescens and in some other species a zooid may contain a pair of ovaries, a pair of testes, or an ovary and a testis, although the males, females and hermaj phrodites do not differ from one another in external characters.
The majority of the species belong to the family Pulicidae, of which P. irritans maybe taken as the type; but the order also includes the Sarcopsyllidae, the females of which fix themselves firmly to their host, and the Ceratopsyllidae, or bat-fleas.
Normally he wouldn't mind having the attention of a room full of females, but this was different.
"Speaking of lying, manipulating females," Darian said, tone lighter.
To be sure of it, all females born into my line will be killed.
C. rothschildi also has a large frontal horn and white legs, but the spots in the bulls are very dark and those of the females jagged.
The herds, which are led by females, appear in general to be family parties; and although commonly restricted to from thirty to fifty, may occasionally include as many as one hundred head.
The females have relatively large tusks, which are essential in obtaining their food.
Many species of Thysanoptera are known to be habitually parthenogenetic. The eggs are laid on the food-plant, those females possessed of an ovipositor cutting through the epidermis and placing their eggs singly within the plant-tissues; a single female may take five or six weeks to deposit all her eggs.
The Lingayats number 436,968, or 46% of the Hindu population; they worship the symbol of Siva, and males and females both carry this emblem about their person in a silver case.
Pop. (1871), 18,995; (1881), 62,260; (1891), 152,506; (1901), 254,947 (1 3 8, 33 2 males, 116,615 females); (1906), 365,688 (205,183 males and 160,505 females).
1.6% or about 508 females to every 492
South of Prince Regent's river, are representations of human heads and bodies, apparently of females clothed to the armpits, but all the faces are without any indication of mouths.
The true Tapaculo (P. albicollis) has a general resemblance in plumage to the females of some of the smaller Shrikes (Lanius), and to a cursory observer its skin might pass for that of one; but its shortened wings and powerful feet would on closer inspection at once reveal the difference.
The females produce thousands of larvae, which circulate in the blood, and show a certain periodicity in their appearance, being much more numerous in the blood at night than during the day.
(The calculations are mad in both cases on the total of births and deaths of both sexes.) The result is that, while in 1871 there was an excess of 143,370 males over females in the total population, in 188f the excess was only 71,138, and in I90f there were 169,684 more females than males.
102 in.; of females, 4 ft.
There are about 600 species in the family, the males being usually larger than the females, and remarkable for the size of their mandibles.
Only the females suck blood; the act is believed to be necessary for fertilization and reproduction.
In the daytime "the gorged females rest motionless on the walls and ceilings of rooms, choosing always the darkest situations for this purpose" (Austen).
In temperate climates the impregnated females hibernate during the winter in houses, cellars, stables, the trunks of trees, &c., coming out to lay their eggs in the spring.
Spicuous and well-known feature of ants is the wingless condition of the " workers," as the specialized females, with undeveloped ovaries, which form the largest proportion of the population of ant-communities, are called.
It is interesting and suggestive that in a few families of digging Hymenoptera (such as the Mutillidae), allied to the ants, the females are wingless.
3,b) after the nuptial flight; in a few species the females, and in still fewer the males, never develop wings.
But there are several subfamilies of ants whose females have the lancets of the sting useless for piercing, although the poison-glands are functional, their secretion being ejected by the insect, when occasion may arise, from the greatly enlarged reservoir, the reduced sting acting as a squirt.
The development of such diversely-formed insects as the offspring of the unmodified females which show none of their peculiarities raises many points of difficulty for students in heredity.
In these ants the difference between the large, heavy, winged males and females, and the small, long-legged, active workers, is so great, that various forms of the same species have been often referred to distinct genera; in Eciton, for example, the female has a single petiolate abdominal segment, the worker two.
In the latter territorial division there exists a great disproportion between the sexes, namely, to every Ioo males only 86 females; indeed in the Black Sea government there are only 65.5 females to every too males.
The winter moth (Cheimatobia brumata) must be kept in check by putting greasy bands round the trunks from October till December or January, to catch the wingless females that crawl up and deposit their eggs in the cracks and crevices in the bark.
One of the worst pests of pear trees is the pear midge, known as Diplosis pyrivora or Cecidomyia nigra, the females of which lay their eggs in the flowerbuds before they open.
The females in this moth and in others allied to it are wingless.
Reproduction is mainly asexual, the females producing living young without the agency of a male.
Napoleon's ideas on the education of girls may be judged by this extract from his speech at the Council of State on the 1st of March 1806: "I do not think that we need trouble ourselves with any plan of instruction for young females: they cannot be better brought up than by their mothers.
The offspring of the virgin females are in most of these instances females; but among the bees and wasps parthenogenesis occurs normally and always results in the development of males, the " queen " insect laying either a fertilized or unfertilized egg at will.
The females of some social insects have been known to live for many years.
Another class of nocturnal demons are the incubi and succubi, who are said to consort with human beings in their sleep; in the Antilles these were the ghosts of the dead; in New Zealand likewise ancestral deities formed liaisons with females; in the Samoan Islands the inferior gods were regarded as the fathers of children otherwise unaccounted for; the Hindus have rites prescribed by which a companion nymph may be secured.
The males are usually more brilliantly coloured than the females, and guard the eggs, which are often placed in a sort of nest made of the shell of some bivalve or of the carapace of a crab, with the convexity turned upwards and FIG.
Except in the case of the water-spider (Argyroneta) the males are smaller, sometimes very much smaller, than the females, but have proportionately longer legs and smaller bodies.
When adult the males may always be distinguished from the females by the presence of a pair of horny intromittent organs, one of which is lodged in the terminal segment of each palpus or appendage of the second pair.
Males of the Argyopidae hang on the outskirt s of the webs of the females and signal their presence to her by jerking the radial threads in a peculiar manner.
Lastly, the males of some species of spiders differ from the females in possessing stridulating organs consisting of horny ridges and spikes and lodged either between the mandible and palpus as in some species allied to Linyphia, one of the Argyopidae, or between the cephalo-thorax and abdomen as in Steatoda, one of the Theridiidae and Cambridgea, one of the Agalenidae.
It is believed that the males of these species signal to their females by means of the sound these organs emit.
The greatest disparity in size between the sexes is met with in the tropical genus Nephila, the females of which are gigantic representatives of the Argyopidae.
The females outnumber the males by about 20,000, which is, however, about the number of adult males away from the country at any given period.
The male slaves were employed in the tillage of the land and the tending of cattle, and the females in domestic work and household manufactures.
In females and young males the horns are smaller, and their bases separated by a space in the middle of the forehead, The ears are small, erect, pointed, and nearly concealed in the hair.
The females numbered 15,753, or 127 to every loo males, considerably the largest proportion to any county in Scotland.
Mainly owing to the large element of transient foreign whites without families (long characteristic of Cuba), males outnumber females - in 1907 as 21 to 19.
- In 1895 the population, which tends to increase slowly, with a preponderance of males over females, numbered 1,568,092.
Pop. (1890) 22,907; (1900) 39,306, of whom 24,746 were males, 14,560 were females; about 10,000 were Hawaiians, 15,000 were Asiatics, and about 5000 were Portuguese.
In the 10th century the counts were permitted by the kings to divide their benefices and rights among their sons, the rule being established that countships (Grafschaften) were hereditary, that they might be held by boys, that they were heritable by females and might even be administered by females.
The excess of females over males is great in the western and northern counties, while in the eastern parts and in Croatia-Slavonia there is a slight preponderance of males.