ADDAX, a genus of antelopes, with one species (A.
Nigripes; while the circumpolar banded lemming, Dicrostonyx torquatus, which turns white in winter, represents a second genus taking its name from the double claws on one of the toes of the forefeet.
The genus Nemalion has been recently investigated by Wolfe with the object of examining the cytological evidence.
With the exception of the genus Trichodectes, the various species of which are found on mammalia, all infest birds (as their English names implies) (see BIRDLousE).
Any varieties in the congregational genus which emerge later on, keep within his general outlines.
The more typical members of the genus are terrestrial in their habits, and their cheek-teeth have nearly the same pattern as in rhinoceroses; while the interval between the upper incisors is less than the width of the teeth; and the lower incisors are only slightly notched at the cutting edge.
The perennially humid regions of the Malayan peninsula and western portion of the archipelago are everywhere covered with dense forest, rendered difficult to traverse by the thorny cane, a palm of the genus Calamus, which has its greatest development in this part of Asia.
Some of the species of the genus Aegilops (now generally referred to Triticum by Bentham and Hooker and by Haeckel) Origin and may possibly have been the sources of our cultivated Y P Y forms, as they cross freely with wheats.
The lion belongs to the genus Fells of Linnaeus (for the characters and position of which see Carnivora), and differs from the tiger and leopard in its uniform colouring, and from all the other Felidae in the hair of the top of the head, chin and neck, as far back as the shoulder, being not only much longer, but also differently disposed from the hair elsewhere, being erect or directed forwards, and so constituting the characteristic ornament called the mane.
The analogies with chief difference is in the micropyle, In one great division of the genus - the Eusigillariae - the stems are ribbed, each rib bearing a vertical row of leaf-scars; the ribbed Sigillariae were formerly divided into two sub-genera - Rhytidolepis, (From a drawing by Mrs D.