-^l/l^/ 



CONTENTS. 



XII. — Outlines of the Geology of the Novth-Easteru West ludin 



Islands. By P. T. Cleye (with Plate XVII^ 185 



XIII. — Descriptions of New Species of Fossils from Ohio, with Re- 

 marks on some of the Geological Formations in which they 

 occur. By R. P. Whitfield 193 



XIV.— Description of a New Species of Swift, of the Genus Chcetura, 

 with Notes on two other little-known Birds. By George N. 

 Lawrence, 245 



[Pp. 249 — 256, belonging to No. 8, will appear with the next number.] 





