x Contents. 



BY CH. FKED. HARTT AND RICHARD KATHBUN. 



Morgau Expeditions. 1870-71. Ou the Devonian Trilobites and Mol- 



lusks of Erere, Province of Para, Brazil, (Art. XIII) 110 



BY II. W. HENSIIAW. 



An Annotated List of the Birds of Utah. (Art. I) 1 



BY DAVID B. JORDAN. 



A Partial Synopsis of the Fishes of Upper Georgia, (Art. XXIX) 307 



BY GEORGE N. LAWRENCE. 



Descriptions of Two New Species of Birds of the Families Tanagridce 



and Tyrannidce, (Art. VII) 70 



Descriptions of Four New Species of Birds from Costa Rica, (Art. IX).. 88 



Description of a New Species of Jay of the Genus Oyanocilta ; also of a 



supposed New Species of the Genus Oyanocorax, (Art. XIX) 163 



Description of a New Species of Bird of the Genus Piiangus, (Art. XXVI) 288 



BY ALBERT R. LEEDS. 



On an Asphaltic Coal from the Shale of the Huron River, Ohio, contain- 

 ing Seams of Sulphate of Biryta, — with a Geological Note by Dr. 

 J. S. Newberry. (Art. XI) 105 



Recent Progress in Sanitary Science, (Art. XXV) 266 



BY II. K. MORRISON. 



Notes on North American Lepidoptera. (Art. X) 91 



BY FELIPE POEY. 



Poissous de T He de Cuba : Espcces Nouvelles decrites, (Art. VI) 58 



BY RICHARD RATHBUN. 

 (see Hartt and Rathbun) 110 



BY ISRAEL C. RUSSELL. 

 Notes on the Ancient Glaciers of New Zealand, (Art. XXIV) 251 



BY RICHARD P. STEVENS. 



Observations on Some Irregularities of the Floor of the Coal Measures 



of Eastern Kentucky, (Art. Ill) 18 



BY CHARLES D. WALCOTT. 



Notes on Ceraurus pleurexanthemus, Green, (Art. XVII) 155 



Description of the Interior Surface of the Dorsal Shell of Ceraurus pleur- 

 exanthemus, (Art. XVLLT) 159 



BY I. C. WHITE. 



Notes on the Coal Measures of Beaver County, Pennsylvania, (Art. II). 11 

 Notes on the Upper Coal Measures of Western Virginia and Penn- 

 sylvania, (Art V) 46 



