The tick in his jaw belied how tightly his teeth were clamped.
In the United States alone the annual pecuniary loss in cattle stock occasioned by the ravages of this tick disease was computed in 1907 at one hundred million dollars.
He had a personality that would tick off Mother Theresa.
Who knew what would tick him off?
Such a flame may jump down, for instance, to each tick of a neighbouring clock.
From the foregoing epitome which applies to many species, Rhipicephalus appendiculatus for example, it is evident that every individual tick has to find a host on three occasions, namely, as larva, nymph and adult.
The size of the river made Lana tick off one of her alternatives.
The noises made by some Ptinidae (Anobium) tapping on the walls of their burrows with their mandibles give rise to the "death tick" that has for long alarmed the superstitious.
With one or two possible exceptions, like Argas vespertilonis, which has only been obtained from European bats, no species of tick is known to be confined to a particular host.
The common sheep-tick (Ixodes vicinus) of England, for example, infects cattle and dogs as well as sheep; and the pathogenetic Ixodidae above mentioned occur parasitically upon other mammals than those to which they convey the diseases specified.
Pratt has traced them in the sheep-tick (Melophagus) to an early stage of the embryonic life.
Six species of tick, including the blue tick common throughout South Africa, are found, especially in the low veld, where they are the means of the transmission of disease to cattle.
In the same way, to infer a machine from hearing the regular tick of a clock, to infer a player from finding a pack of cards arranged in suits, to infer a human origin of stone implements, and all such inferences from patent effects to latent causes, though they appear to Jevons to be typical inductions, are really deductions which, besides the minor premise stating the particular effects, require a major premise discovered by a previous induction and stating the general kind of effects of a general kind of cause.
The most important of these are the following: Dermacentor reticulatus, a species widely distributed in Europe, Asia and America, infects dogs in Europe with the Haematozoon causing the disease known as "biliary fever," and has been asserted to be answerable for the so-called spotted or tick fever in man in the Rocky Mountains.
Amblyomma hebraeum, the bont or variegated tick of the Cape Colonists, infects sheep with the 9porozoon causing "heart-water" sickness, and in Europe sheep are inoculated with the same disease by another tick, Rhipicephalus bursa.
Simus, which are locally known respectively as the "brown tick" and the "black-pitted tick."
From this it is evident that the Spirochaetes pass directly from the mother tick to her offspring.
Insects abound in great numbers, the most troublesome and destructive being the tick (Ixodes natalensis), which infests the pasturage, and the white ant (Termes mordax).
In the case of oxen the alternate host of the parasite is a special tick (Smith and Kilborne).
Ricinus, a tick, from the form and markings of the seed.
The tick especially infests old huts and camping grounds and is nocturnal in habit, spending the day hidden in crevices of the walls or floor and coming out at night to feed upon the sleeping inmates.
On the other hand, when food is not obtainable, life may be indefinitely prolonged if the tick be guarded from enemies and from atmospheric conditions inimical to existence.
Another species, Hyalomma aegyptium, the so-called camel-tick of Egypt and Arabia, is alleged to be parasitic only in its mature stage.