44 
iy. 
BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
274. Notes on birds collected during the summer of 1880 in Alaska 
and Siberia. By Tarleton H. Bean. 
pp. 144-178. ; 
275. Outlines of a monograph of the Cygnine. By Leonhard 
Stejneger. 
pp. 174-221, 16 figs. 
276. Notes on the habits and rearing of the axolotl, Amblystoma 
mexicanum. By M. Carbonnier. 
pp. 221-222. 
277. Description of a new species of Uranidea (Uranidea polli- 
carts), from Lake Michigan. By David 8S. Jordan and 
Charles H. Gilbert. 
pp. 222-223. 
278. Observations on four mules in milk. By Alfred Dugés. 
pp. 223-225. 
279. On Lagopus mutus Leach, and its allies. By Lucien M. 
‘>. Turner. 
pp. 225-233. 
. 280. Genera of the Scolopendrellide. By J. A. Ryder. 
p. 234. 
. 281. A list of the species of fishes recorded as occurring in the Gulf 
of Mexico. By G. Brown Goode and Tarleton H. Bean. 
pp. 284-240. 
282. Notes on fishes observed about Pensacola, Florida, and Gal- 
veston, Texas, with description of new species. By David 
S. Jordan and Charles H. Gilbert. 
pp. 241-307. 
283. A review of the Syngnathine of the United States, with a 
description of one new species. By Joseph Swain. 
pp. 307-315. 
284. Notice of recent additions to the marine invertebrata of the 
northeastern coast of America, with descriptions of new 
genera and species and critical remarks on others. (Part IV. 
Additions to the deep-water mollusca, taken off Martha’s 
Vineyard, in 1880 and 1881.) By A. E. Verrill. 
pp. 315-348. 
. Descriptions of some new North American birds. By Robert 
Ridgway. 
pp. 3438-346. 
. Description of a new species of Uranidea ( Uranidea rhothea) 
from Spokane River, Washington territory. By Rosa Smith. 
pp. 347-348. 
. On the eastward distribution of the black-tailed deer (Cariacus 
columbianus). By Charles Bendire. 
pp. 348-349. 
. Description of a new species of blenny (/sesthes gilbert’) from 
Santa Barbara, California. By David S. Jordan. 
pp. 349-351. 
