P89. 
P. 990. 
Ye 
P. 994. 
ie: Geo: 
P1000: 
ee JOON 
P. 1002. 
BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
. Monograph of the genus Gnathodon Gray (Langia Des- 
moulins). By William H. Dall. 
pp. 89-106, 1 plate. 
On the nomenclature and characteristics of the lampreys. .By 
Theodore Gill. 
pp. 107-110. 
The nomenclature of the Myliobatide or Aétobatide. By 
Theodore Gill. 
pp. 111-114. 
The nomenclature of the family Peeciliide or Cyprinodontide. 
By Theodore Gill. 
pp. 115-116. 
2. The differential characters of the Salmonide and Thymallide. 
By Theodore Gill. 
pp. 117-122. 
. On the relations and nomenclature of Stzzostedion or Lucio- 
perca. By Theodore Gill. 
pp. 123-128. 
Description of a new species of cotton rat (Sigmodon minima), 
from New Mexico. By Edgar A. Mearns. 
pp. 129-130. 
Notes on the invertebrate fauna of the Dakota formation, with 
descriptions of new molluscan forms. By C. A. White. 
pp. 131-138, 1 plate. 
. The shells of the Tres Marias and other localities along the 
shores of Lower California and the Gulf of California. By 
Robert E. C. Stearns. 
pp. 139-204. 
. Notes on a Japanese species of reed warbler. By Leonhard 
Stejneger. 
pp. 205-206. 
. A review of the fossil flora of Alaska, with descriptions of 
new species. By F. H. Knowlton. 
pp. 207-240, 1 plate. 
. Diagnoses of new North American mammals. By Frederick 
W. True. 
pp. 241-248. 
Descriptions of new species of starfishes and ophiurans, with 
a revision of certain species formerly described; mostly from 
the collections made by the United States Commission of 
Fish and Fisheries. By A. E. Verrill. 
pp. 245-297. 
Notes on the anatomy and affinities of the Ceerebidee and other 
American birds. By Frederic A. Lucas. 
pp. 299-312, 13 figs. 
Discovery of the genus Oldhamia in America. By Charles 
D. Walcott. 
pp. 313-315, 1 fig. 
