66 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



P. 581. A revision of the lepidopterous family Saturniidse. By John 

 B. Smith. 



pp. 414-437, 3 pis. 



P. 582. Analyses of the cinchona barks on exhibition in the Materia 

 Medica section, U. S. National Museum. By George E. 

 Doering. 



pp. 438-142. 



P. 583. Norsk naval architecture. By George H. Boehmer. 



pp. 443-459, 5 pis., 1 fig. 



P. 584. A new land shell from California, with note on Selenites 

 duranti Newcomb. By William G. Mazyck. 



pp. 460-461, 2 figs. 



P. 585. Notes on a collection of fishes from the Escambia River, with 

 description of a new species of Zygonectes (Zygonectes escam- 

 UCB). By Charles H. Bollman. 



pp. 462-465. 



P. 586. Description of six new species of fishes from the Gulf of 

 Mexico, with notes on other species. By David S. Jordan 

 and Barton W. Evermann. 



pp. 466-476. 



P. 587. A review of the Gobiidse of North America. By David S. 

 Jordan and Carl H. Eigenmann. 



pp. 477-518. 



P. 588. Description of a new subspecies of Cyclorhis from Yucatan. 

 By Robert Ridgway. 



p. 519. 



P. 589. Description of a new species of Myiarchus, presumably from 

 the Orinoco district of South America. By Robert Ridg- 

 way. 



p. 520. 



P. 590. On a probable hybrid between Dryobates nuttallii Gamb. 

 and D. pyhescens gairdnerii Aud. By Robert Ridgway. 



pp. 621-522. . 



P. 591. Description of an apparently new species of Picolaptes, from 

 the Lower Amazon. By Robert Ridgway. 



p. 523. 



P. 592. On the status of Synthlttoramphus wumizusume as a North 

 American bird. By Leonhard Stejneger. 



P. 593. Notes on typical specimens of fishes described by Cuvier and 

 Valenciennes and preserved in the Muse6 d'Histoire Natu- 

 relle in Paris. By David S. Jordan. 



pp. 525-546. 



P. 594. Descriptions of ten species and one new genus of annelids 

 from the dredgings of the U. S. Fish Commission steamer 

 Albatross. By James E. Benedict. 



pp. 547-553, 6 pis. 



