REPORT OF ASSISTANT SECRETARY. 55 



No. 765. Contribution to the History of Pallas' Cormorant. By Leonhard Stejnegor. 

 Pp. 83-94. 



No. 760. Description of Two New Species of Snakes from California. By Leonhard 

 Stejneger. Pp. 95-99. 



No. 767. Scientific Results of Explorations by the U. S. Fish Commission Steamer Al- 

 batross. No. I. Birds collected on the Galapagos Islands in 1888. By 

 Robert Ridgway. Pp. 101-128. 



No. 768. Scientific Results of Explorations by the U. S. Fish Commission Steamer 

 Albatross. No. ir. Birds collected on the Island of Santa Lucia, West In- 

 dies, Abrolhos Islands, Brazil, and at the Straits of Magellan in 1887-'88. 

 By Robert Ridgway. Pp. 129-139. 



No. 769- Scientific Results of Explorations by the U. S. Fish Commission Steamer 

 Albatross. No. in. Report on the Batrachians and Reptiles collected in 

 1887- ; 88. ByE.D.Cope. Pp. 141-147. 



No. 770. Scientific Results of Explorations by the U. S. Fish Commission Steamer 

 Albatross. No. IV. Description of Now Species of Fishes collected at the 

 Galapagos Islands and along the Coast of the United States of Colombia, 

 1887-'88. By David Starr Jordan and Charles Harvey Boll man. Pp. 

 149-183. 



No. 771. Scientific Results of Explorations by the U. S. Fish Commission Steamer 

 Albatross. No. v. Annotated Catalogue of the Insects collected in 1887-88. 

 By L. O. Howard. Pp. 185-216. 



No. 772. Scientific Results of Explorations by the IT. S. Fish Commission Steamer 

 Albatross. No. VI. List of the Plants collected in Alaska in 1888. By Dr. 

 George Vasey. Pp. 217-218. 



No. 773. Scientific Results of Explorations by the U. S. Fish Commission Steamer 

 Albatross. No. vir. Preliminary Report on the Collection ofMollnsoa and 

 Brachiopoda obtained in 1887-'88. By William Healey Dall. Pp. 219-362. 



No. 774. Notes on the Occurrence of Gillichthys Y-Cauda at San Diego, California. 

 By Charles II. Gilbert. P. 263. 



No. 775. Description of a New Genus aud Species of Inarticulate Brachiopod from the 

 Trenton Limestone. By Charles D. Waleott. Pp. 365-366. 



Nos. 776, 777. I. The Archaeology of the Potomac Tide- water Region. By Otis T. 

 Mason. II. The Palaeolithic Period in the District of Columbia. By 

 Thomas Wilson. Pp. 367-376. 



No. 778. Notes on a Third Collection of Birds made in Kauai, Hawaiian Islands, by 

 Valdemar Kuudsen. By Leonhard Stejneger. Pp. 377-386. 



No. 7/9. Descriptions of New Jchneumonidae in the Collection of the TJ. S. National 

 Museum. By William H. Ashmead. Pp. 387-451. 



No. 780. Description of the Yellow-Finned Trout of Twin Lakes, Colorado. By 

 David Starr Jordan and Barton Warren Evermann. P. 453. 



No. 781. Contribution toward a Monograph of the Noctnidte of Temperate North 

 America. Revision of some Tamiocampid Genera. By John B. Smith. 

 Pp. 455-496. 



No. 782. Catalogue of the Described Araneae of Temperate North America. By Dr. 

 George Marx. Pp, 497-594. 



No. 783. Notes on the Sorpentinous Rocks of Essex County, New York; from Aque- 

 duct Shaft 26, New York City; and from near Easton, Pennsylvania. By 

 George P. Merrill. Pp. 595-600. 



No. 784. A Revision of the Genus Araucarioxylon of Kraus, with Compiled Descrip- 

 tions and Partial Synonomy of the Species. By F. H. Knowlton. Pp. 

 601-617. 



No. 785. Notes on North American Crayfishes, Family Astacidae. By Walter Faxon. 

 Pp. 619-634. 



No. 786. Descriptions of Two Now Species of Bats, Nyctinomus europs and N. 

 ortbotis. By Harrison Allen. Pp. 635-640. 



