82 Mamm. 
MAMMALIA. 
species, both recent and fossil, of the genera Ifippotherium and Equus 
are given, and the fossil remains of these genera found in India are full- 
figured and described. 
Marey, — . Tableau mobile des differentes attitudes du cheval & une 
allure quelconque. C. R. xciv. p. 1683. 
Nehring, A. Ueber den sogenannten Wolfszahn der Pferde, im Hin- 
blick auf den genealogischen Zusammenhang der fossilen und leben- 
den Equiden. SB. nat. Er. 1882, pp. 31 & 47. 
The author shows that, in many of the Equidce, the “ wolf-tooth,” a 
milk-tooth between the canine and first permanent pre-molar, persists 
until maturity in a very considerable proportion of cases, and discusses 
the bearing that the presence or absence of this tooth has on the relation 
of Equus to Anchitherium and Hipparion. 
. Ueber Ulna und Fibula der Equiden. SB. nat. Fr. 1882, p. 50. 
Traces the gradual reduction in the size and importance of these bones 
from the time of Anchitherium to the present day. (See also Journ. Sci. 
iv. p. 467, 1882.) 
Pouch et, G. Sur quelques particularities offertes par le plasma du sang 
de cheval. J. de l’Anat. Phys. xviii. p. 313. 
^ Equus caballus. On its anatomy. [See L. Franck, supra , p. 7.] 
Equus hemionus. On remains of this species from Western Germany; 
A. Nehring, SB. nat. Fr. 1882, p. 53. 
Equus grevyi , sp. n. (Milne-Edwards), E. Oustalet, La Nature, x. (2) 
p. 12, Galla Country. Remarks on this species, with figures ; P. L. 
Sclater, P. Z. S. 1882, p. 721. 
Equus lundii , sp. n. (foss.), J. E. Y. Boas, Vidensk. Selsk. Skr. (6) i. 
p. 307. 1881, Brazil. 
Hippidion. Remarks on this genus ; id. 1. c. 
CoRYPHODONTIDjE. 
Bathrnodon pachypus, sp. n. (foss.), E. D. Cope, P. Ac. Philad. 1882, 
p. 294, Wasatch Beds of the Big Horn River. 
(CONDYLARTHRA.) 
Phenacodontid®. 
Diacodexis , g. n. (foss.), E. D. Cope, Am. Nat. xvi. p. 1029. A new genus, 
formed for the reception of the ^animal formerly described under the 
name of: Phenacodus laticuneus. 
Pantolambda bathrnodon , g. & sp. nn. (foss.), id. 1. c. p. 418, Puerco 
formation of N.W. New Mexico. 
Protogonia plicifera , sp. n. (foss.), id. 1. c. p. 833, New Mexico. 
