Having found that some of the commonest diseases of beer, such as yeast turbidity and the objectionable changes in flavour, were caused not by bacteria but by certain species of yeast, and, further, that different species of good brewery yeast would produce beers of different character, Hansen argued that the pitching yeast should consist only of a single species - namely, that best suited to the brewery in question.
Arvense, one of the commonest species, is a troublesome weed in clayey cornfields (see fig.).
Among the inoffensive species are counted the graceful green " tree snake," which pursues frogs, birds and lizards to the topmost branches of the forest; also several species of pythons, the commonest of which is known as the carpet snake.
The commonest of all penalties was a fine.
Two of the commonest British hydroids belong to this family, Obelia and Clytia.
In a second type they are situated at the ends of tracheal strands and consist of groups of richly protoplasmic cells belonging to the epidermis (as in the leaves of many ferns), or to the subjacent tissue (the commonest type in flowering plants); in this last case the cells in question are known as epithem.
Discolorations are among the commonest of all signs that a plant is sickly or diseased.
According to the position of the chief sound-producing membranes, three types of syrinx are distinguishable: - (i) Tracheo-bronchial, by far the commonest form, of which the two others are to a certain extent modifications.
The genus with which Anopheles is most likely to be confounded is Culex, which is the commonest of all mosquitoes, has a world-wide distribution, and is generally a greedy blood-sucker.
TENCH (Tinca vulgaris), a small fish of the Cyprinid family, which is one of the commonest and most widely spread freshwater fishes of Europe.
The commonest and most widely distributed migratory locust is Pachytylus cinerascens.
The first group is the more important and includes some of the commonest metamorphic rocks.
What would happen, do you think, if some one should try to measure our intelligence by our ability to define the commonest words we use?
The commonest sense is the sense of men asleep, which they express by snoring.
He liked to talk and he talked well, adorning his speech with terms of endearment and with folk sayings which Pierre thought he invented himself, but the chief charm of his talk lay in the fact that the commonest events--sometimes just such as Pierre had witnessed without taking notice of them--assumed in Karataev's a character of solemn fitness.