Memoirs of the Asiatic Society of Bengal. A Revision of the Lizards of the Genus Tachydromus

T. amurensis is the most Lacerta-like species of the genus and its agreement in many respects with L. vivipara' is the more noteworthy for the fact that the latter is the only species of Lacerta which extends eastward to the Pacific Ocean.' The agreement is not only in the form of the head and the comparatively short tail but also in the shape and arrangement of the head-shields especially tho [...] The hind limb reaches the axil the shoulder or the collar in males the wrist the elbow or the axil in females ; foot r to i times as long as the head. [...] The hind limb reaches the wrist the elbow or the axil in females the axil or the shoulder in males ; foot i to i3 times as long as the head. [...] Head feebly convex I; to ri times as long as broad its depth equal to the distance between the anterior corner or the centre of the eye and the tympanum its length 3 to 4 times in length to vent in males 4 to 4 times in females ; snout pointed with strong canthus and nearly vertical loreal region as long as the postocular part of the head. [...] THE LIZARDS OF THE GENUS TACI1Y DROM 221 through the lower part of the ear-opening to the shoulder sometimes continued on the side of the body.