1890.] Record of American Zoology. 1167 
Observations upon the occurrence, structure, and function 
of the giant cells of the marrow. Jour. Morph., IV., p. 117, pl. V., 
1890. 
Merriam, C. H.—Results of a biological survey of the San 
Francisco mountain region and desert of the Little Colorado, 
Ariz. North American Fauna, No. 3, 1890.—Gives (p. 37) list 
of 21 species noted at the Grand Cañon of the Colorado, and 
(pp. 43-86) list of mammals of region; the following are new: 
Sorex monticolus, Vespertilio melanorhinus, Tamias cinnamomeus, 
Spermophilus pratensis, S. obsidianus, S. cryptospilotus, Onychomys 
fuliginosus, O. pallescens, Hesperomys megalotis, H. rufinus, Arvt- 
cola alticolus, Dipodophis [n.g.] longipes, Perognathus Fuliginosus» 
Lynx baileyi, Mephitis estor, Spilogale gracilis. 
Dosson, G. E—A synopsis of the genera of the family Soricide- 
Proc. Zool. Socy. London, 1890, p. 49.—Neosorex and Atophy- 
rax are merged in Sorex. 
Tuomas, O.—On a collection of mammals from Central Vera 
Cruz, Mex. Proc. Zool. Socy. London, 1890, p. 71.—21 species 
and varieties enumerated; Sciurus niger melanotus and Lepus 
verecrucis new. 
Minot, C.-S.—Die Placenta des Kaninchens. Biol. Centralbl., 
X., p. 114, 1890. 
ALLEN, H.—Description of two new species of bats, Nyctino- 
mus europs and N. orthotis. Proc. Am. Phil. Socy., XXVI; 
- Proc. U.S. Nat. Mus., XIL, p. 634, 1890.—The second species 
from Jamaica, the other from Brazil. 
WHITE, P. J.—On the skull and skeleton of the Greenland 
shark, Lemargus microcephalus. Anat Anz., V., p. 259, 1890. 
* STEPHENS, F.—Land mammals of San Diego County, Cal. 
West American Scientist, VII., Aug. 1890. 
ALLEN, H—Remarks on the Prong-horn (Antilocapra ameri- 
cana). Proc. Am. Philo. Socy., XXVI, p. 366, 1890. 
Merriam, C. H.—Contribution toward a revision of the little 
striped skunks of the genus Spilogale. Worth American Fauna, 
No. 4, p. 1, 1890.—Ten species recognized, of which S. ringens 
(Ala., N. C., Miss.), S. indianola (Tex), S. /ucasana (L. Cal.), S. 
