Boulenger, classification of Amphibia Caudata, [9];
on vertebrae of Pelobates, [20];
on vertebrae of Bombinator, [22];
number of phalanges in Anura, [27];
on poison of Amphibia, [36];
on vocal sacs, [48];
on modes of fecundation and nursing habits, [54], [56];
synopsis of Tadpoles, [59] n.;
on tadpoles of Rana opisthodon, [260];