32 Mamm. 
MAMMALIA. 
TrICHECIIIDjE. 
Trichechas rosmarus and obesus. Notes on these species, with figures 
of skulls ; 0. Nordquist, Yega Mammals, p. 94. 
PhOCIDjE. 
\}runert, J. T. Die Robbeu der deutschen Kiisten. Forstl. Bl. xix. 
p. 263. 
[Not seen by Recorder ; cf. Arch. f. Nat. xlix. p. 407.] 
Histriophoca fasciata. Notes on this rare species, with figures of 
skull ; 0. Nordquist, Vega Mammals, p. 107. 'J Its osteological characters 
described ; F. W. True, Am. Nat. xvii. p. 798. 
4 Halichcerus grypus. Further notes on the osteology of this species, 
with remarks on its systematic position ; A. Nehring, SB. nat. Fr. 1883, 
p. 107, and Zool. Anz. vi. p. 610 [see Zool. Rec. Mamm. xix. p. 22]. (The 
presence of six upper cheek-teeth, believed hitherto to be an unusual 
abnormality, occurs in about one specimen in every four.) An instance of 
its breeding at Boscastle, Cornwall, noted ; E. R. Lankester, Rep. Brit. 
Ass. 1883, p. 529. Occurrence on the Norfolk coast ; T. Southwell, Zool. 
(3) vii. p. 76. 
Cystophora cristata. A specimen captured on the coast of New Jersey ; 
A. E. Brown, Am. Nat. xvii. p. 1191. 
Macrorrhinus leoninus (Morung a elephantina). Notes on specimens from 
Macquarie Island ; J. H. Scott, Tr. N. Z. Inst. xv. p. 492, pi. xxxix. 
CREODONTA. 
Hy,ENODONT1DvE. 
Hycenodon : Description of the base of its skull ; H. Filhol, Bull. Soc. 
Philom. vii. p. 96. Ilyccnodon differs from all recent Mammals in the 
structure of the base of its skull, and forms by itself a special group of 
carnivores. 
^ Hycenodon brachyrrhynchus. Notes on this species ; id. Mem. Quercy 
Mamm. p. 9, pi. i. 
Leptictime. 
^ Quercy thorium tenebrosum. Notes on this species; H. Filhol, Mem. 
Quercy Mamm. p. 30, pi. iv. 
Mioclcenus ferox , bucculentus , and corrugatus , spp. nn. (foss.), E. D. 
Cope, P. Am. Phil, Soc. xx. pp. 547, 555, & 557, Puerco Eocene. 
Mioclcenus minimus , sp. n. (foss.), id. 1. c. p. 468, Puerco, New Mexico, 
d Mioclcenus cuspidatus , sp. n. (foss.), id. op. cit. xxi. p. 312, Puerco 
Eocene. A synopsis of the species of Mioclcenus is appended. 
