RECENT LITERATURE. 



A Jumping Moicse {Zapus insignis Miller), nezu 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 York. 



Description of a New White-footed Mouse from the Eastern 

 United States. By Gerrit S. Miller, Jr. Proc. Biol. Soc. 

 Wash., viii, June 20, 1893, 55'^9- Sitomys americanus canadensis. 



List of Mammals Collected by Mr. Charles P. Rowley, in the 

 San fiian Region of Colorado, Nezu Mexico, and Utah, with 

 Descriptions of Nezu 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, L,a Plata 

 County, Colorado; Arvicola {Mynomes) aztecus from Aztec, New 

 Mexico; Sitomys auripectus from Bluff City, Utah; Sitomys 

 rowleyi from Nolan's Ranch, Utah; Reithrodontomys aztecus from 

 La Plata, New Mexico. 



Introdtiction to a Monograph of the North American Bats. 

 Notes 0)1 the Genera of Vespertilionidce. By Harrison Allen, 

 M. D. Proc. U. S. Nat. Mus., xvi, pages 1-31. 



Rediscovery of the Mexican Kangaroo Rat, Dipodomys phillipsi 

 Gray. By C. Hart 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 Nezu Species of North 

 American Phanerogams and Ptej'idophytes, Published in i8g2. 

 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 



