CONTENTS. 



PAGE 



List of Additions to thk Libkary, v 



Art. I. — New England Spiders of the family The- 



RiDiD^, By J. H. Emerton. Plates 1-24, 1 



Art. II. — Dipterous Larvae from the Western Al- 

 kaline Lakes, and their use as Human 

 Food. By S. W. Williston, . 87 



Art. III. — North American CoNOPiDiE. By S. W. 



Williston, 91 



Art. IV. — On the Anatomy of Lihinia emarginata 

 Lead), the Spider C.rac. By E. A. An- 

 drews. Plates 25-27, - 99 



Art. V. — On an Unsymmetrical Law of Error in 

 THE Position of a Point in Space. By 

 E. L. DkForest, 12.3 



Art. VI. — Second Catalogue of Mollusca recently 



ADDED to the FauNA OF THE NeW EN(i- 



LAND Coast and the adjacent parts of 

 THE Atlantic, consisting mostly of Deep 

 Sea Species, with Notes on others pre- 

 viously RECORDED. By A. E. Verrill. 

 Plates 28-32, 139 



Art. VII. — New England Spiders of the f-amily Epei- 



RiD.E. By J. H. Emerton. Plates 33-40, 295 



Art. VIII. — The Diastatic Action of Saliva, as Modi- 

 fied BY various Conditions Studied Quan- 

 titatively. By K. H. Chittenden and Her- 

 bert E. Smith, 343 



Art. IX. — North American Conopid^ : Conclusion. 



By S. W. Williston. Plate 41, 377 



Art. X. — Third Catalogue of Mollusca recently 



ADDED TO THE FaUNA OF THE NeW ENG- 

 LAND Coast and the Adjacent parts of 

 THE Atlantic, consisting mostly of Deep- 

 Sea Species, with Notes on others pre- 

 viously recorded. By A. E. Verrill. 

 Plates 42-44, 395 



Art. XI. — Additions to the Shallow-water Mollusca 

 of Cape Hatteras, N. C, dredged by 

 the U. S. Fish Commission Steamer "Al- 

 batross" IN 1883 AND 1884. By Kathe- 

 rine J. Bush. Plate 45, 453 



Art, XII. — New England Lycosid^. By J. H. Emer- 

 ton. Plates 46-49, 48] 



