48 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
P. 334. Description of two new species of fishes (M/yrophis vafer and 
Chloroscombrus orqueta) from Panama. By David 8. Jordan 
and Charles H. Gilbert. 
pp. 645-647. 
P. 335. Description of a new eel (S¢dera castanea), from Mazatlan, 
Mexico. By David 8. Jordan and Charles H. Gilbert. 
pp. 647-648. 
P. 336. On the nomenclature of the genus Ophichthys. By David S. 
Jordan and Charles H. Gilbert. 
pp. 648-651. 5 
P. 337. On the life coloration of the young of Pomacentrus rubicun- 
dus. By Rosa Smith. 
pp. 652-653. 
P. 338. On a cinnamon bear from Pennsylvania. By Frederick W. 
True. 
PP. 653-656. 
P. 339. Description of a new petrel from Alaska. By Robert Ridg- 
way. 
pp. 656-658. 
P. 340. Description of a species of whitefish, Coregonus hoy? (Gill) 
Jordan, called ‘‘smelt” in some parts of New York. By 
Tarleton H. Bean. 
pp. 658-660. 
P. 341. Note on a Potsdam sandstone, or conglomerate, from Berks 
County, Pennsylvania. By George P. Merrill. 
pp. 660 661, 
P. 342. Description of a new species of Alepidosaurus (A. wsculapius), 
from Alaska. By Tarleton H. Bean. 
pp. 661-663. 
VOLUME VI, CONTAINING PAPERS 343-396. 
Department of the Interior: | U. S. National Museum. | —— } Pro- 
ceedings | of the | United States National Museum. | Vol. VI. | 
1883. | —— | Published under the direction of the Smith- 
sonian Institution. | 
Office. | 1884. 
8vo., pp. vii, 1-530,! 14 pls., 6 figs. 
| Washington: | Government Printing 
P. 343. Preliminary report on the brachyura and anomura dredged 
in deep water off the south coast of New England by the 
United States Fish Commission in 1880, 1881, and 1882. By 
Sidney I. Smith. 
pp. 1-57, 6 pls. 
P. 344. Contributions to the history of the Commander Islands. 
No. 1. Notes on the natural history, including descriptions 
of new cetaceans. By Leonhard Stejneger. 
pp. 98-89. 
1 Includes circulars 19-23. 
