FERISSODACTYLA. 
Mamm . 31 
^ In a secoud paper (Am. Nat. xvi. p 832), Prof. Cope separates the 
genera Periptychus (= Catathlceus), Anisonchus , and Haploconus , from 
the Phenacodontida; , and forms for them a new family, the Periptychidic. 
LoPHIODONTIDiK. 
Heptodon , g. n. (foss.), Cope, Am. Nat. xvi. p. 1029, includes the species 
referred by the author to the genus Pacliynolophus, now stated to be equi- 
valent to Propalccotherium. 
Hyracodontoiherium crassum, sp. n. (foss.), H. Filhol, Bull. Soc. Philom. 
(7) vi. p. 125. 
Rhinocerotim. 
Orthocynodon antiquus , g. & sp. nn. (foss.), from the Bridger Eocene ; 
W. B. Scott & H. F. Osborn, Am. J. Sci. (3) xxiv. p. 223. An Eocene 
perissodactyle Ungulate, with the premolar-molar dentition of a Rhino- 
ceros, and somewhat resembling Amynodon in the possession of canines 
and loss of the median incisors.” 
Tapiridjc. 
Capellini, G. Resti di Tapiro nella lignite di Sarzanello. Atti Acc. 
Rom. ix. p. 76, 1881. 
The teeth of a species allied to Tapirus hungaricus , Meyer, described 
and figured. 
*4 Tapirus indicus. Notes oil its anatomy ; W. N. Parker, P. Z. S. 1882, 
p. 768, pis. lviii. & lix. 
Elasmognathus dowi. A Tapir, believed to be of this species, figured ; 
P. L. Sclater, P. Z. S. 1882, p. 391, pi. xxiii. 
CHALICOTHERlIDAi. 
^ Ectocion, g. n. (foss.), E. D. Cope, Am. Nat. xvi. p. 522. Formed for 
Oligotomus osbornianus. ‘‘If it is not condylarthrous, it must be placed 
in the Chalicotheriidcc , as the most primitive form.” 
Pal^otheriid^:. 
Jlippoilierium montezuma , sp. n. (foss.), J. Leidy, P. Ac. Philad. 1882, 
p. 290, Panama. 
Equid^. 
Adam, P. Vortrage fiber Pferdekunde. Stuttgart: 1882, 8vo, pp. 112. 
[Not seen by Recorder ; cf. Zool. Anz. v. p. 510.] 
^Franck, L. [See supra , p. 7.] 
Lydekker, R. Siwalik and Narbada Equidce. Pal. Ind. (10) ii. pt. 3. 
An important memoir, in which the synonymy and distribution of the 
