on Pipa, [152];

on Scaphiopus solitarius, [165];

on Alligator sinensis, [471];

on Lanthanotus, [542];

on aberrant scaling, [495];

on Heloderma, [540] n.;

on classification of Snakes, [592];

on Sea-Snakes, [637];

on Sphargis, [336]

Boulengerula, [90]