J 2 The West American Scientist. 



Board of Agriculture for 1889. Lincoln, Neb., 1890. From H. J. 

 Webber. 



4031. Notes on slugs, chiefly in the collection of the British 

 Museum. By T. D. A. Cockerell. From the Annals and Maga- 

 zine ol Natural History, October, 1890, pp. 277-288. From the 

 author. 



4032. Colorado College studies: papers read before the 

 Colorado College scientific society. First annual publication. 

 Colorado Springs, Colo., 1890. From the society. 



4033. Bulletin of the Illinois State Laboratory of Natural 

 History. Vol. III. Articles I to X. pp. 1-190 (separates). 



4034. A protest against the Supreme Court of Illinois. By 

 Edward C Hegeler. Chicago, 1890. From the author. 



4035. Catalogue of the described Araneae of temperate North 

 America. By Dr. George Marx, From Proc. U. S. Nat. Mus., 

 XII, 497-594. Washington, 1890. From the Smithsonian 

 Institution. 



4036. Notes on the leaves of Liriodendron. By Theodor 

 Holm. 



4037. Birds from the coasts of western North America and 

 adjacent islands, collected in i888-'89. with descriptions of new 

 species. By Charles H. Townsend. 



4038. Reptiles from Clarion and Socorro Islands and the 

 Gulf of California with description of a new species. By Charles 

 H. Townsend. 



, 4039. Plants collected in 1889 at Socorro and Clarion Islands. 

 Pacific Ocean. By Dr. George Vasey and J. N. Rose. 



4040. On a new genus and species of Colubrine snakes from 

 North America. By Leonard Stejneger. 



4041. The osteological characteristics of the family Anguil- 

 lidae. By Theodore Gill. 



4042. The osteological characteristics of the family synapho- 

 branchidae. By Theodore Gill. 



4043. The osteological characteristics of the family Muraeni- 

 dae. By Theodore Gill. 



4044. On the disappearance of the dick cissel (Spiza 

 Americana) from the District of Columbia. By Hugh M. Smith. 



4045. Description of a new species of bat, Atalapha semota. 

 By Harrison Allen. 



4046. On the snakes of the genus Charina. By L. Stejneger. 



4047. On the North American lizards of the genus Barissia of 

 Gray. By L. Stejneger. 



4048. Notes on the occurrence of a young crab-eater (Elacate 

 Canada) from the Lower Hudson Valley, N. Y. By A. K. Fisher. 



4049. Observations on the life history of the bottlenose por- 

 poise. By Frederick W. True. 



4050. Descriptions of new West American land, fresh water, 

 and marine shells, with notes and comments. By Robert E. G 

 Stearns. 



