Jordan, David Starr and James Alexander Gunn, Jr. 

 List of Fishes collected at the Canary Islands by Mr. 

 0. F. Cook, with descriptions of four new Species . 339 

 Keller, Ida A. The Growth of Viburnum lantanoides 



Michx. (Plate XXV) . . . . . .482 



Letson, E. J. Description of a new Tethys (Aplysia) (Plate 



VIII) .193 



Meehan, Thomas. The Plants of Lewis and Clark's Expedi- 

 tion across the Continent, 1804-1806 .... 12 

 Merriam, C. Hart. Descriptions of three new Rodents from 



the Olympic Mountains, Washington . . . 352 



Miller, Gerrit S., Jr. List of Bats collected by Dr. W. L. 



Abbott in Siam . 316 



Descriptions of five new Phyllostome Bats . . . 326 

 A new Chipmunk from Northeastern China . . . 348 

 Notes on the Arctic Red-backed Mice .... 358 

 Description of a new Genus and Species of Microtine 



Rodent from Siberia 368 



Moore, J. Percy. Hyalodendron navalium, a new Genus 



and Species of Euplectellid Sponge (Plates XIX, XX) 430 

 Palmer, T. Chalkley. Observations on Errant Frustules 



of Eunotia major (Plates VI, VII) . . . .110 

 Pilsbry, H. A. Chitons collected by Dr. Harold Heath at 



Pacific Grove, near Monterey, California . . . 287 



A new Land Shell from Clarion Island . . . 354 



New Species of Odontostomus from Brazil aud Argentina. 471 



Margarita Sharpii, a new Alaskan Gastropod . . 486 



Pilsbry, H. A. and E. G. Vanatta. Anatomical Notes on 



certain West American Helices (Plate I) . . .67 

 Revision of the North American Slugs: Binneya, Hern- 

 phillia, Hesperarion, Prophysaon and Anadenulus. 

 (Plate IX, X, XI XII, XIII, XIV, XV, XVI). . 219 

 Materials toward a Natural Classification of the Cylin- 

 drelloid Snails (Plates XVII, XVIII) . . . 2<i4 



Some Cuban Species of Cerion 475 



Rhoads, Samuel N. A small Collection of Mammals from 



North Eastern China 120 



A new Grasshopper Mouse from New Mexico . .194 



Notes on the Fossil Walrus of Eastern North America . 196 

 Seale, Alvin. Notes on Alaskan Water Birds . . .126 

 Shufeldt, R. W., M. D. Observations on the Classification 



of Birds 489 



Van Denburgh, John. The Gherrhonotus of the San Lucan 

 Fauna, Lower California, with Diagnosis of other West 



American Species "3 



Birds observed in Central California in the Summer of 



1893 206 



Woolman, Lewis and Charles S. Boyer. Fossil Mollusks 

 and Diatoms from the Dismal Swamp, Virginia and 

 North Carolina; Indication of the Geological Age of 

 the Deposit. With Notes on the Diatoms . . .414 



