CETACEAj MARSUPIALlAj MONOTREMATA. 
21 
Pkyseter macrocepJialus. Prof. Turner records the evidence of a Sperm- 
Wlinle captured in 1829, on the coast of Argylshire ; on this occasion he has 
collected the reports of former similar captures ; nearly all the individuals 
appear to have been males. Proc. R. Soc. Edinb. 1871, pp. 306-370. 
Monodon monoceros. Mr. J. W. Clark describes and figures 
a skull with two fully developed tusks belonging to a skeleton 
in the Museum of the University of Cambridge, and gives the 
history of the literature of this subject. He shows that there 
are now at least ten other bidental skulls in existence in dif- 
ferent European museums. P. Z. S. 1871, pp. 42-53, Avith 2 
Avoodeuts. 
Phoctena communis appears to occur near the Queen Charlotte’s Islands, 
Gray, A. & M. K H. vii. 1871, p. 04. 
Orcella Jiuminalis from the Irrawaddy is distinguished as a new species 
from Pliocama hrevirostris (Owen) by Dr. J. Anderson, P. Z. S. 1871, pp. 142- 
144 ; both dolphins are figured in outline. 
Ijogmorhynchm alhirostris. Dr. Murie has published notes on a male spe- 
cimen, describing the dentition, the pharynx, and neighboming structures, 
articulation of the mandible, the urogenital organs, and some muscles. Journ. 
Linn. Soc. 1871, pp. 141-163, pi. 6. 
Zipliius layardi. Notes on a specimen of this or a closely allied species, 
obtained on the coast of New South Wales, by Krefit, P. Z. S. 1871, p. 630. 
Perardius. Mr. Knox and Dr. Hector have published notes on three spe- 
cimens of Ziphioid Whales stranded on the coasts of New Zealand, Trans. 
N. Z. Inst. 1871, pp. 126-120, and figured the skulls of two individuals, 
pis. 14-17. — Dr. Gray shows that these Cetaceans belong to Perardius, and 
more especially the specimen figured on pis. 10, 17 to P. arnouxi, wliilst 
plates 14 and 16 represent a new species, Perardius hcctori, A. & M. N. II, 
1871, viii. pp. 116-117. 
Diplodon sechcllcnsis. Additional notes on the skeleton from liOrd Howe’s 
Island [see Zool. Rec. vii. p. 18] by Dr. Gray, A. & M. N. H. 1871, vii. 
pp. 291, 292, with woodcuts. 
Mesoplodon yuentlieri is indicated as a new species from New South Wales 
by KrclTt, A. h M. N, H. 1871, vii. p. 368, with woodcut of tooth. Dr, 
Gray regards it as the typo of a distinct genus, Callidon, ibid, 
Marsupialia. 
Owen, 11. On the Fossil Mammals of Australia. — Part IV. 
Dentition and mandible of Tlujlacoleo carnifex, with remarks 
on the arguments for its Ilerbwority. Phil. Trans, clxi. 
1871, pp. 213-266, with pis. 11-14 and twenty Avoodcuts. 
We bring to the notice of zoologists this palBeontologieal 
paper, on account of the numerous references to and illustra- 
tions of recent forms. The mandibular characters of carni vorous 
and herbivorous Marsupials are discussed on pp* 233-237. 
