38 Mamm . n. mammalia. 
Balasnidaj. 
Cope, P. Amer. Phil. Soc. xxxiv, p. 139, would derive the group from 
Cetaceans allied to the Squalodontidce. 
f Siphonocetus, n. g., Cope, t. c. p. 140, for Balcena prisca , Leidy. 
S. clarkianus, n. sp., t. c. p. 140, 
f UliaSy n. g. for U. moratus , n. sp., p. 141, 
• \Tretulias , n. g. for T. buccatus, n. sp., p. 143, 
•\Cetotherium megalophysum , n. sp., p. 146, crassangidum, n. sp., p. 148, 
Balcenoptera sursiplana , n. sp., p. 151, Mesocetus siphunculus , n. sp., 
p. 153, Miocene, N. America. 
Bahcna biscayensis , see Buciiet (33) ; B. mystacocetus, its osteology, 
Strutheus (*216a, b). 
Phybeteridas and Delphinidas. 
Physeter macrocephalus , Prince of Monaco (145), shows that its food 
consists of very large pelagic Cephalopods. 
iParacetus mcdiatlanticus, n. sp., Cope, P. Amer. Phil. Soc. xxxiv, p. 135, 
Miocene-Maryland. [The species is identified with the genus Hypo- 
cetus , Lyd., 1893, but, owing to a slip in the description of the latter, 
Copo concluded that the name Paracetus was intended to bo used. — 
Recorder.] 
Chonezipkius : identified by Cope, t. c. p. 137, with Ziphius , which is 
preoccupied. 
PelycorhamphuSf n. g. for P. pertortus , n. sp., Cope, t. c. p. 137, Miocene, 
U. S. 
Hyperoodon planifrons , described and figured; Moreno, op. cit. H. ros- 
tratus, its renal circulation ; Gervais (70). 
Dclpliinapterus , its anatomy ; Strutiiers (216c). 
IX. EFFODIPJNTIA. — Orycteropodid.®. ■ 
Plesiorycteropuis , n. g., for P. madagascariensis, n. sp., Filhol, Bull. Mus. 
Paris, 1&95, p. 14, Pleistocene, Madagascar. 
Trichomcmis hoevenii , Hubrecht, = Arctonyx collaris ; Hubrecht, 
P. Zool. Soc. London, 1895, p. 522. 
X. EDENTATA. — -Bradypodidas. 
Development, Ritter (190), 
IMegatheriida:. 
+ Megatherium sundti , n. sp., Philippi, Zeitschr. Deutsch. geol. Ges. xlv, 
p. 91 (1893), Pleistocene, Bolivia. 
t Scelidotherium (?) compressum and bolivianum , n. spp., Philippi, op. cit. 
p. 94, ibid. 
