LIST OF CONTRIBUTORS, 



With reference to the several Articles contributed by each. 



Canby, W. M. Notes of Botanical Visits to the lower part of Delaware 



and the Eastern Shore of Maryland 16 



Cassin, J. Notes of an examination of the Birds of the Group Coerebinae, 265 



Fasti Ornithologiae. Part 1 234 



Notes on some species of Birds from South America 286 



Cooper, J. G. On a new Cormorant from the Farralone Islands, Cal 258 



Conrad, T. A. Notes on Shells, with Descriptions of new fossil Genera 



and Species 211 



Cope, E. D. Contributions to the Herpetology of Tropical America 166 



On the Limits and Relations of the Raniformes 181 



On a Blind Silurid from Pennsylvania 231 



On the Characters of the higher groups of Reptilia Squamata, and es- 

 pecially of the Diploglossa 224 



Partial Catalogue of the Cold-blooded Vertebrata of Michigan 276 



Coues, E. The Crania of Colymbus torquatus and C. Adamsii compared, 21 



A Critical Review of the Family Procellaridae. Part 1 72 



Part II 116 



Elliot, D. G. Remarks upon a Proposed Arrangement of the Family of 



Grouse, and New Genera added 23 



Ennis, J. Additions to the Catalogue of Stars which have changed their 



Colors 51 



On the Influence of the Earth's Atmosphere on the Color of Stars 161 



Grill, Theo. Notes on the Nomenclature of Genera and Species of Eche- 



neidoidse 59 



Description of a new Labroid Genus allied to Trochocopus 57 



Critical remarks on the Genera Sebastes and Sebastodes 145 



