IV CONTENTS. 



PAdB 

 BY GEOKGK N. LAWRENCE. 



Descriptions of three new species of Humming Birds of the Genera Heli- 



OMASTER, Amazilia, and Mellisuga 10*7 



Description of a new species of Bird of the Genus Phaeton, also of a New 



Species of Humming Bird of the Genus Heliopsedica . . . 142 



Notes on some Cuban Birds, with Descrijitions of New Species . . .247 



Descriptions of new species of Birds of the Genera Myiarchus and Phlo- 



gopsis 284 



Catalogue of a Collection of Birds made in New G renada by James Mc- 

 Leannan, Esq., of New York ; with Notes and Descriptions of New 

 Species . . 288, 315, 461 



Descriptions of three new species of Birds 308 



Descriptions of six new species of Birds of the Families Charadhid^, 



TROCHiLiDiE, and Caprimulgid^e ....... 455 



BY PEOF. O. W. morris. 



A comparison of the Climate, etc., of New York and Kansas ... 22 



BY W. NEWCOMB, M.D. 



Descriptions of new species of the Genera Aohatinella and Pupa . . 145 

 Description of a new species of Helix from Bougainsville Island . . 283 



BY TEMPLE PRIME. 



Llst of the known species of PisiDiuM, with their Synonymy ... 94 

 Description of two new species of the Genus Batissa, with Notes on that 



Genus 2j2 



Notes on the Cyrena Salmacida and Cyrenella Americana of Morelet . 314 



Descriptions of two new species of Mollusca of the Genus Corbicula . 480 



Description of new species of Mollusca of the Genus Venus , . . 482 



BY rev. J. BOWELL. 



Description of a new species of Pupa from California . . . .287 



BY SANDERSON SMITH. 



On the Mollusca of Peconic and Gardiner's Bays, Long Island • . .147 



BY R. p. STEVENS. 



Remarks on the Taconic System ....... 276 



On the Extension of the Carboniferous System of the United States, so as 



to include all true Coals 414 



BY W. STIMPSON. 



Notes on North American Crustacea 49 175 



BY GEORGE BUCKLEY, M.D. 



Descriptions of several new species of Salmonid.e from the North-West 



Coast of America ......... 1 



Notices of certain new species of North American Salmonid^, chiefly in 

 the collection of the North-West Boundary Commission ; collected 

 by Dr. C. B. R. Kennerly, Naturalist to the Commission. . . 306 



