14 
MAMMALIA. 
Megaptera novm-zealandice described ; J. Hector, Tr. N. Z. Inst, vii. 
pp. 256-257. 
Plesiocetus cortesii = Cetotherium cuvieri^ Brdt., =. C. capellinii, Brdt., 
and the skeleton in the Museum of Milan is re-described; P. J. Van 
Beneden, Bull. Ac. Belg. {2) xl. pp. 736-758, pi. i. 
Aulocetus. The remains of A. Untianus in the Museum at Lintz are 
re-described by P. J. Van Beneden ; tom. cit. pp. 636-549. 
achy acanthus [infra, Sirenia\ 
Bal.2ENID.^3. 
Caperea = Macleayius = Balcena\ P. J. Van Beneden, Bull. Ac. 
Belg. (2) xxxvii. (1874) pp. 832-837. 
'^Neohalcena marginata described ; J. Hector, Tr. N. Z. Inst. vii. pp. 
251-255, pis. xvi. & xvii. 
SIRENIA. 
B. G. Wilder compares a foetal Manatee with a foetal Cetacean, and 
regards the Sirenians as probably descended by a “ retrograde evolution,” 
from prior ungulate forms. Am. J. Sci. (3) x. pp. 105-114, pi. viii. 
Manatus americanus. A young female reached the Zoological Gardens 
alive in 1875, but only survived about a month : P. L. Sclater, P. Z. S. 
1875, p. 629,; A. H. Garrod, tom. cit. p. 567. Notes supplementary to 
J. Murie’s description of its anatomy ; H. 0. Chapman, P. Ac. Philad. 
1875, pp. 452-462. 
Eotherium, g. n. (foss.), R. Owen, J. G. Soc. xxxi. p. 100, pi. iii. 
Allied to Halitherium, but only known from a natural cast of the brain- 
cavity. Type, E. cegyptiacum, sp. n. ; Eocene of Egypt. 
Prorastomus. R. Owen gives further characters from a renewed ex- 
amination of the type specimen of P. sirenoides. Tom. cit. pp. 659- 
567, pis. xxviii. & xxix. 
P achy acanthus. P. J. Van Beneden has examined the remains at 
Vienna referred to this genus. He states that the Pachyacdnthus of 
Brandt is based on the vertebrae and ribs of a Sirenian, and the sternum 
and limbs of a Cetodont. P. trachyspondylus is founded on morbid, and 
Cetotherium amhiguum on normal, vertebrae. The name Pachyacanthus 
is retained for the Sirenian. Bull. Ac. Belg. (2) xl. pp. 323-340. 
PROBOSCIDEA. 
E. D. Cope removes Bathmodon and its allies from this order [c/*. 
infra, p. 16]. . 
Elephantidj). 
Leith Adams, A. On the Dentition and Osteology of the Maltese 
Fossil Elephants ; Tr. Z. S. ix. pp. 1-124, pi. i.-xxii. 
The results of the author’s investigations are now given in full [c/*. 
Zool, Rec. xi. p. 13], and the remains of Elephas melitensis, E. mnaid- 
riensis, and E. falconeri are figured, with a map showing the localities 
where they were found. 
