CONTENTS 



Page 

 Officers and committees for 1898 v 



Proceedings vii-xii 



Notes on Fishes Collected by E. W. Nelson on the Tree Marias 

 Islands and in Sinaloa and Jalisco, Mexico, by B. W. Ever- 

 mann 1 _3 



New Birds from the Tres Marias Islands, by E. W. Nelson 5-11 



Mammals of the Tres Marias Islands, by C. Hart Merriam 13-19 



A New Species of Evotomys from British Columbia, by Vernon 

 Bailey '. 21-22 



A New Deer (Dorcelaphus texanus) from Texas and Northern 

 Mexico, by Edgar A. Mearns 23-20 



Three New Fresh-water Crabs of the Genus Potamon, by Mary 



J. Rathbun , 27-30 



Two New Skunks of the Genus Mephitis, by Outram Bangs 31-33 



The Newfoundland Otter and Red Fox, by Outram Bangs 35-38 



A New Parasitic Isopod of the Genus j<7 from the Southern 

 Coast of the United States, by Harriet Richardson 39-40 



The Areturidte in the U. S. National Museum, by James E. Ben 

 edict 41_51 



Two New Isopods of the Genus Idotea from the Coast of Califor 

 nia, by James E. Benedict 53-55 



New Birds from Mexico, with a Revision of the Genus Dactyl- 

 orti/x, by E. W. Nelson 57-68 



Six New Ground Squirrels from the Western United States, by 

 C. Hart Merriam ... 69-71 



A New Rodent of the Genus Idinrus, by Gerrit S. Miller, Jr. . . . 



The Eastern Races of the American Varying Hare, by Outram 

 Bangs 



A New White-footed Mouse from the Mount Baker Range, Brit 

 ish Columbia, by Outram Bangs 83-84 



Eleven New Species and Subspecies of Voles, by Vernon Bailey. 85-90 



A New Raccoon from Nassau Island, Bahamas, by Outram 



Bangs 91-92 



A New Fox from Santa Marta, Colombia, by Outram Bangs. . . . 93-94 



A New Murine Opossum from Margarita Island, by Outram 



Bangs 95-96 



A New Rabbit from Margarita Island, Venezuela, by Gerrit S. 

 Miller, Jr 97-98 



The Earliest Generic Name for the North American Deer, with 



Descriptions of Five New Species, by C. Hart Merriam 99-104 



Two New Subgenera and Three New Species of Microtus from 



Mexico and Guatemala, by C. Hart Merriam 105-108 



Random Notes on the Nomenclature of the Chiroptera , by T. S. 

 Palmer 109-114 



Twenty New Species and a New Subgenus of Peromyscus from 



Mexico and Guatemala, by C. Hart Merriam . . 115-125 



A New Genus (Neotomodon) and Three New Species of Murine 

 Rodents from the Mountains of Southern Mexico, by C. Hart 

 Merriam 127-129 



Birds from Santa Marta, Colombia, by OutramBangs 131-144 



New Squirrels from Mexico and Central America, by E. AV. 

 Nelson 145-156 



(iii) 



