RECENT LITERATURE. 
A Jumping Mouse (Zapus insignis Miller), new to the United 
States. By Gerrit S. MILLER, JR. Proc. Biol. Soc. Wash., 
viii, April 22, 1893, 1-8. This species described by Mr. Miller 
in Am. Nat. xxv, August, 1891, 472, from New Brunswick, has 
Since been collected in New Hampshire and New Vork. 
Description of a New White-footed Mouse Jrom the Eastern 
United States. By Gerrit S. MILLER, JR. Proc. Biol. Soc. 
Wash. , viii, June 20, 1893, 55-69. Sttomys americanus canadensis. 
List of Mammals Collected by Mr. Charles P. kowley, in the 
San Juan Region of Colorado, New Mexico, and Utah, with 
Descriptions of New Species, By J. A. ALLEN. Bull. Am. Mus. 
Nat. Hist., v, April 28, 1893, 69-84. Thirty-four species are 
enumerated with annotations and critical notes. ‘The following 
are described as new: Zapus princeps from Florida, La Plata 
County, Colorado; Arvicola (ALynomes) aztecus from Aztec, New 
Mexico; Sttomys auripectus from Bluff City, Utah; Sttomys 
rowley? from Nolan’s Ranch, Utah; Retthrodontomys aztecus from 
La Plata, New Mexico. 
Introduction to a Monograph of the North American Bats. 
Notes on the Genera of Vespertilionide. By Harrison ALLEN, 
M.D. Proc. U.S. Nat. Mus., xvi, pages 1-31. 
Rediscovery of the Mexican Kangaroo Rat, Dipodomys phillipst 
Gray. By C. Harr MERRIAM, M.D. With Field Notes by E. 
W.NELSoN. Proc. Biol. Soc. Wash., viii, July 18, 1893, 83-96. 
A series of 67 specimens from the Valley of Mexico, after the 
species had been known but from a single specimen for fifty-two 
years. 
Systematic and Alphabetic Index to New Species of North 
American Phanerogams and Pteridophytes, Published im 892. 
By JosEPHIne A. CLARK. : 
This index is one of the most useful publications of the 
National Herbarium. It is, however, marred by a very serious 
fault. Instead of being an index of new species, it is in very 
large part an index of changes of nomenclature, and there are 
