vi The Biological Society of Washington. 



Some Notes on the Zoolofry of Lake Ellis, Craven County, North 



Carolina, with Siiecial Reference to Herpetology, hy C. S. 



Brimley 121)-1;JS 



Five New Woodrats of the Genus Neoloma, from Mexico, hy E. A. 



Goldman i:»-142 



New Recent Indian Crinoids, hy Austin Holjart Clark 143-152 



New Cladocera from New Eno^Iand, ])y Alfred A. Doolittle . . . 1 •■).")-] 56 

 The Scales of Some American Cyprinidje, hy T. D. A. Cockerell 



and Edith Allison 157-1(14 



Notes on a Cyprinodont {Orestias agassizii) irom Central Peru, 



oy Barton Warren Evermann and Lewis Radclifle 1(15-170 



A New Warl)ler from the Bahama Islands, hy W. E. Clyde Todd 171-172 

 New Genera and Higher Groups of Unstalked Crinoids, l)y Austin 



Hohart Clark . 17:]-17S 



The Nomenclatural Authority for Gonionemiis imirbachii, hy 



E. L. Morris 17!>-1S2 



A Proposed Division of tlie Phylum Echinodennata, l)y Austin 



Hohart Clark 1S3-1S4 



Descriptions of Three New Species of Cyprinoid Fishes, hy Barton 



AVarren Evermann and Theodore D. A. Cockerell .... 185-188 

 Observations on the Fishes of the Genus Notropis, hy Theodore 



D. A. Cockerell and Otis Callaway 189-l<)(i 



Some Remarkable New Leaf Hoppers of the Family Fulgorida^, 



by Elmer D. Ball . 107-204 



The Scales of the Cobitid and Homaloi)terid Fishes, l)y T. D. A. 



Cockerell 205-208 



The Cyprinid Subfamily Chondrostomiufe, by T. D. A. Cockerell 200-210 

 On the Validity of the North American Cyprinid Genus Notemi- 



j^onws, by T. D. A. Cockerell 211-214 



The Nomenclature of the American Fishes Usually Callccl Lrn- 



ciscus and Rutilns, by T. D. A. Cockerell 215-218 



PLATES 



I. Facing p. 02. Type locality of Snltiio crcnuxjoic^. 

 II. " 04. Salmo eremogencs. Type. 



III. " 158. Scales of American Cyprinida'. 



TEXT FIGURES 



Page 99. Cheirodon gorgonce. Type. 



100. Teeth of Cheirodon insignis. 

 100. " " gorgomc. 



158. Scales of Sabno stomias. 



158. Scale of Catostomus griseiis. 

 158. " Xofropis coniitfui^. 



186. " JiicJiardsonius thennophilus. 



192. Diagram showing evolution of species of Chriope. 



193. " " " " Hiidnouias. 

 209. Scale of Orthodon microlepidotus. 



