PERISSODAGTYLA. 
Mamm. 21 
that already published in the first volume of this series of publications. 
ICf. Zool. Rec. xiv. Mamin, p. 17.] Three species of Rhinoceros^ and 1 
of Aceratherium are recognized from the Siwaliks. 
On the species inhabiting Africa, and their habits and distribution, 
F. C. Selous, P. Z. S. 1881, pp. 725-734, pi. Ixii. Only two species 
(/?. hicornis and R. simus) exist ; the horns of the former, as shown in the 
plate, varying much in size and relative development. 
Rhinoceros. On some points in its dentition ; R. Lydekker, J. A. S. B. 
xlix. pt. 2, pp. 135-141, pi. vii. [Omitted from Zool. Rec. xvii.] 
V Ceratorrhinus sumatrensis. On its male generative organs ; W. A. 
Forbes, Tr. Z. S. xi. pp. 107-109, pi. xx. 
'^Coenopus, g. n. (foss.), E. D. Cope, Am. Nat. xiv. p. 611. Type, 
Aceratherium^^ mite. A revised “ genealogy ” of the American forms 
of Rhinoceros is added. 
/ Peraceras superciliosus, g. & sp. n. (foss.), id. 1. c. p. 540, Loup Fork for- 
mation of Nebraska. Aphelops^^ malacorrhinus belongs to the same 
\ genus. “ The ancestral genus of the African forms ” of Rhinoceros. 
\ Aceratherium. [See R. Lydekker, suprd.~\ 
TAPIRIDiE. 
Tapirus minor. Remains of this species in the lignite of Sarzanello ; 
G. Capellini, Atti Acc. Rom. v. [Not seen by the Recorder ; cf. 
Zool. Anz. iv. p. 175.] 
CHALlCOTHERlIDiE. 
^ Hyracotherium vortmani and H. craspedotum, spp. nn. (foss.), E. D. 
! Cope, Am. Nat. xiv. p. 747. H. venticolum., sp. n. (foss.), id., Bull. U. S. 
/ Geol. Surv. vi. p. 198. Wasatch beds of Wyoming. 
Lanibdotherium popoagicum, sp. n. (foss.), E. D. Cope, Am. Nat. xiv. 
p. 746. L. hrownianum, sp. n. (foss.), id. 1. c. p. 197. Wasatch beds of 
Wyoming. Allied to Limnohyus and Oligotomus. 
Oligotomus osbornianus, sp. n. (foss.), E. D. Cope, P. Am. Phil. Soc. 
I XX. p. 182, Lower Eocene of Wyoming. 
I Systemodon, g. u. (foss.), E. D. Cope, Am. Nat. xv. p. 1018 ; type, 
\ “ Byracotherium ” tapirinum. S. semihians, sp. n. (foss.), id. P. Am. 
'\Phil. Soc. XX. p. 184, Lower Eocene of Wyoming. 
Equidai). 
Major, C. Forsyth. Beitrage zur Geschichte der fossilen Pferde, 
inbesondere Italiens. 2 Theil. Abh. schw. pal. Ges. vii. pp, 17-153, 
pis. v.-vii. [Forpp. 1-16, cf. Zool Rec. xiv. Mamm. p. 17.] 
An elaborate account of the fossil European horses, chiefly based on 
materials in the Florence Museum. 
