30 Mamm. 
MAMMALIA. 
Stylacodon validus, sp. n. (foss.), Marsh, 1. c. p. 236, “ Atlantosaurus 
beds,*’ Rocky Mts. 
Tinodon ferox, sp. n. (foss.), id. ihid.^ “Atlantosaurus beds,” Rocky 
Mts. 
Triconodon bisulcus, sp. n. (foss.), [id. 1. c. p. 237, “ Atlantosaurus beds,” 
Rocky Mts. 
ALLOTHERIA.^^ 
According to 0. C. Marsh, 1. c., p. 239, the genera Plagiaulax and 
Ctenacodon should be considered as forming a special group to be called 
“ Allotheria.” “ These are all highly specialized aberrant forms, which 
apparently have left no descendants.” 
Ctenacodon serratus [cf. Zool. Rec. xvi. Mamm. p. 27]. Additional note 
on ; id. 1. c. p. 238. 
MARSUPIALIA. 
Brass, A. Beitriige zur Kenntniss des weiblichen Urogenital systems der 
Marsupialen. Leipzig : 1880, pp. 1-40, 6 pis. 
[Not seen by the Recorder ; cf. Zool. Anz. iii. p. 368.] 
E. Alix has a note on the organs of parturition in this group ; Bull. 
Soc. Z. Fr. 1879, p. 118. 
^Young, a. H. On the Intrinsic Muscles of the Marsupial Hand. 
J. Anat. Phys. xiv. pp. 149-165. 
Didelphyid^. 
^DidelpJiys cinerea (pi. xxi.) and derhiana (pi. xxii.) figured ; E. R. 
Alston, Biol. Centr. Am., Mamm. 
Dasyuridj]. 
'^Alston, E. R. On Antechinomys and its allies. P. Z. S. 1880, pp. 
454-461. 
'i Antechinomys^ with Phascologale (era.), Antechinus, and Podah'us, form 
a subfamily, Phascologalinoe, of the Dasyuridce. A . lanigera is redescribed, 
with some details on its osteology and visceral anatomy, and figured, 1 . c. 
pi. xlv. 
Dasyurus fuscus^ sp. n., A. Milne-Edwards, C. R. xc. p. 1519, Arfak 
Mountains, New Guinea ; see also Ann. N. H. (5) vi. p. 172 [? = D. 
albo-punctatus^ Schlegel ; cf. Zool. Rec. xvi. Mamm. p. 27]. 
Phalangistid^e. 
Phascolarctos cinereus alive in London ; P. L. Sclater, P. Z. S. 1880, 
p. 355 (with a woodcut from life). 
