CONTENTS 



rage. 



Officers and committees for 18V)4 iv 



Officers and committees for 1895 v 



Proceedings vii-xvi 



Social Insects from Psycliical and Evolutional points of view, by 



C. V. Eiley . . . . ■. 1-74 



Fossil Cycadean Trunks of North America, with a Eevision of 



the genus Cycadeoidea. Buckland, by Lester F. Ward . 75-88 



Note on some Appendages of the Trilobites, by Chas. D. Walcott. 80-97 

 Si/naptoiiii/s coopcri in Eastern Massachusetts, with note on 5'. 



slonei, by Outram Bangs 99-104 



A new Rabbit from Western Florida, by Gerrit S. IMiller, Jr., 



and Outram Bangs 105-108 



Preliminary descriptions of eleven new Kangaroo Rats of the 



genera DIpod.nmys and Perodipus, by C. Hart Merriam 109-116 



Abstract of a study of the American Wood Rats, with descriptions 



of fourteen new species and subsi)ecies of the genus Neotoma, 



by C. Hart Merriam 117-128 



Description of a new Field Mouse {Arvicola terrxnovir) from 



Codroy, Newfoundland, by Outram Bangs 129-lo2 



Description of a new Muskrat from Codroy, Newfoundland, by 



Outram Bangs lo.']-138 



(iii) 



