(JONT PINTS. 



VI. Index to the Literature of Titanium ; 1783-1376; Part II, Min- 



erals. By Edward J. Hallock 65 



VII. On the Structure of Lepidodendron and Sigillaria. No. 2. — 



The Variations of the Leaf-scars of Lepidodendron aculeatum, 

 Sternb. (With Plates V-IX.) By Herman L. Fairchild. 77 



VIII. On the Distribution of Fresh-Water Fishes of the United 

 States. By David S. Jordan 92 



IX. Descriptions of New Species of Fossils, from the Upper Silurian 



Eocks of Port Jervis, N. Y. ; with Notes on the Occurrence 

 of the Coralline Limestone at that Locality. By S. T. 

 Barrett . v . 121 



X. Description of a New Species of Parrot of the Genus Chry- 



sotis. By George N. Lawrence 125 



XL Descriptions of New Fossil Fishes from the Trias. By J. S. 



Newberry 127 



nyv 



