CONTENTS. 



Pace 

 No. 1. — On the Eared Seals (Otariadae), with detailed Descriptions of the 

 North Pacific Species. By J. A. Allen. Together with an Account of 

 the Habits of the Northern Fur Seal (Callorhinus ursinus). By Charles 

 Bryant. (3 Plates) I 



I. Introduction ........... 1 



1. Re'sume of recent Contributions to the Natural History of the 



Otariadae .4 



2. On the Affinities, distinctive Characters, and Synonymy of the 



Family Otariadffi, with Remarks on sexual, age, and individual 



Variation, and a Conspectus of the Genera and Species, etc. 19 



Habits 36 



On the Genera and Species ....... 37 



Geographical Distribution ...... 42 



3. On the North Pacific Species of Otariadse .... 45 



II. On the Habits of the Northern Fur Seal (Callorhinus ursinus Gray), 

 with a Description of the Pribyloff Group of Islands. By Captain 

 Charles Bryant. "With Notes by J. A. Allen ... 89 



No. 2. — Preliminary Report on the Crustacea, dredged in the Gulf Stream 

 in the Straits of Florida. By L. F. de Pourtai.es, Assist. U. S. Coast 

 Survey. Part I. Brachyura, prepared by Dr. William Stimpson . 109 



No. 3. — On the Mammals and Winter Birds of Fast Florida, with an Ex- 

 amination of certain assumed specific Characters in Birds, and a Sketch of 

 the Bird Faunce of Eastern North America. By J. A. Allen. (5 Plates) 161 

 Introduction . . . . , 161 



I. The topographical, climatic, and faunal Characteristics of East Florida 163 



II. List of the Mammals of East Florida, with Annotations . . . 16S 



III. On Individual and Geographical Variation among Birds, considered 

 in Respect to its bearing upon the Value of certain assumed specific 

 Characters 186 



