SPECIAL WORK. 
Mamm. 31 
Wunderlich, L. Die Seelowen im zoologischen Garten zu Koln. Zool. 
Gart. xxxi, pp. 1-6, 33-39, & 129-134. 
Notes on the Eared Seals in the Cologne Zoological Gardens. 
i. Phocid^j. 
Phoca grcenlandica : a mandibular ramus from a cave near Perigeux, 
described by A. Gaudry, C.R. cxi, pp. 351-353. 
Phoca vitulina : K. MOinus, SB. nat. Fr. 1890, pp. 94 & 95, has notes 
on its breeding on the coast of Schleswig-Holstein. 
,+ Phoca moori , n. sp., E. T. Newton, Q. J. Geol. Soc. xlvi, pp. 446 & 
447, pi. xviii, fig. 3, Red Crag. 
III. CREODONTA. 
Filhol, H. Etude du Skeleton du Cynolvyccnodon. Centenaire Mem. 
Soc. Philom. 1888, pp. 179-192, pis. xvii & xviii. [Omitted from 
Zool. Rec. xxv.] 
A description of the skull and limb-bones of the genus mentioned, with 
figures. 
j. HY^ENODONTIDiE. 
\PLyccnodon hidicus : it is shown by R. Lydekker, Geol. Mag. (3) vii, 
pp. 402 & 403, that certain teeth provisionally referred to this species are 
imporfect upper carnassials of Ampliicyon. 
5. RODENTIA. 
Buchner, E. Wisseuschaftliche Resultate der von N. M. Przewalski 
nach Central- Asien unternommenen Reisen. Zoologischer Theil I. 
Saugethiere, pt. iv, pp. 137-184, pis. xvi-xx. [See Zool. Rec. xxvi r 
Mamm. p. 30.] 
This part includes Rodents belonging to the families Muridce, Dipodidai r 
and Lagomyidce. The species described are Siphneus fontanieri (pi. xv, 
figs. 12 & 13), Dipus sagitta, Alactaga saliens, A. a?i?iulata, Lagomys roylei 
(pi. xxiii, figs. 1 & 2), L. rutilus (pi. xx), L. erythotis , n. sp. (pis. xxi & 
xxiv, figs. 1-6), L. dauricus (pi. xxii, fig. 1, xxv, figs. 1-5), and L. mela- 
nostomus , n. sp. (pi. xxii, figs. 2 & 3). [See Lagomyidce .] 
Bieiiringer, J. Ueber die Umkehrung der Keimblatter bei den 
Nagetieren. Biol. Centralbl. x, pp. 403-414. 
Observations on the germinal membranes of Rodents in general, and 
more especially in Arvicola , Mus, and Cavia. 
Calderon, S. Consideraciones sobre la Denticion de los Roedores. 
Ann. Soc. Esp. xix, pp. 279-297. 
After discussing the peculiarities of the Rodent dentition, the author 
