GLIRRS. 
21 
Graphiurus marinuSy a rufous variety described. G. eleganSy Ogilby, 
= G. capensiSy juv. E. R. Alston, P. Z. S. 1875, p. 317. 
Murids. 
Hydromys heccariiy sp. n., W. Peters, Ann. Mus. Genov, vi. [1874 on 
title, but ? published until 1875, and not received in this country until 
1876] p. 303; Kei Island. 
'\Gerhillm persicus (Persia) and nanus (Baliichistan), spp. nn., W. T. 
Blanford, Ann. N. H. (4) xvi. p. 312. 
^Gerhillus cryptorhinuSy sp. n., W. T. Blanford, J. A. S. B. (n.s.) xliv. 
pt. 2, p. 108 ; Central Asia. 
4 Brachytarsomys^ g. n., A. Gunther, P. Z. S. 1875, p. 79, pi. xvi., allied 
to Nesomys, but with very short legs, and approaching Otomys in its 
skull. Type, B. albicauda, sp. n., p. 80 ; Madagascar. 
Dasymys, g. n., W. Peters, MB. Ak. Berl. 1875, pp. 12-14, pis. i. & ii., 
intermediate between Mus and OtomySy with complicated molars, and the 
inferior maxillary zygomatic process developed into a hook-like form. 
Type, D. gueinziiy sp. n. ; Port Natal. 
Mus rattus. On its recent occurrence in Germany ; F. H. Troschel, 
Verh. Ver. Rheinl. 1875, pp. 76 & 77. 
MMws decumanus. T. H. MacGillavry has studied the development of 
the incisors p. 3].'^Note on supposed evidence of its appear- 
ance in Italy in 1573 ; — Nickel, Zool. Gart. 1874, p. 155. 
^Mus erythronotuSy W. T. Blanford, Ann. N. H. (4) xvi. p. 311, N. 
f Persia ; M. pacTiycercuSy id. J. A. S. B. (n.s.) xliv. pt. 2, p. 108, Central 
yA.sia : spp. nn. 
^'^ricetus fulvus, sp. n., id. tom. cit. p. 108, Central Asia. 
Neotoma ?. A. W. Chase describes the wonderful nest of the “ Cali- 
fornian Wood-Rat,” Am. J. Sci. (3) viii. (1874) pp. 73 & 74. 
ArvicolincB. A. Nehring describes fossil remains of Lemmings and 
Voles from the diluvium of North Germany. Z. ges. Naturw. xlv. 
pp. 1-28, pi. i. 
HMyodes schisticolor. Notes by C. A. F. Badborn, CEfv. Ak7 Forh. xxix. 
(1873) pp. 431 & 432, 841 & 842. 
\fArvicola stoliczkanus, sp. n., W. T. Blanford, J. A. S. B. (n.s.) xliv. 
pt. 2, p. 107 ; Central Asia. 
\lArvicola glareolus in Norfolk ; T. Southwell, Tr. Norw. Soc. ii. p. 60. 
GEOMYIDiE. 
Geomyincs. E. Coues gives a “ Synopsis of the GeomyidoSy" recognizing 
five species of Geomus and one only of Thomomys, P. Ac. Philad. 1875, 
pp. 130-138. 
Heteromyince. E. Coues, in a “ Critical Review ” of this group, raises 
it to the rank of a family, SaccomyidcSy independent of the GeomyidcBy 
although closely allied. He divides it into three sub-families, Dipodo- 
myincBy PerognatdiidincBy and Saccornyince. The osteological and other 
characters are described in detail,! and’ CricetodipuSy Baird (? Peale), is 
regarded as a distinct genus. All the North American species are 
reviewed and described. Tom. cit. pp. 272-327. 
