﻿— 317 — 



on the petrography of Quincy and Rockport. 309—315. — W. H. Niles: 

 Zones of different physical features upon mountain slopes ; relative agency 

 of glaciers and sub-glacial streams in the erosion of Valleys. 324—334. 



— Rich. Rathbun: Sketch of the life and scientific work of Professor 

 Charles Frederick Hartt. 338. 



Vol. XX. part. T. May -Nov. 1878. 

 R. Rathbun: Devonian Brachiopoda of the province of Parä, Brazil; 

 coral reefs of the island of Itaparica, Bahia, and of Parahyba do Norte. 

 14—41. — W. 0. Crossby: Physical geography and geology of the island 

 of Trinidad. 44- 55. 



37) Bulletin of the U.S. geological and geographical Survey 

 of the Territories. Vol. V. No. 1. 8°. Washington 1879. 

 [Jb. 1878. 948.] 



E. D. Cope: The relations of the horizons of extinct Vertebrata of 

 Europe and North-America, 33—54; Observations on the Fauna of the 

 miocene tertiaries of Oregon. 55 — 70. — C. A. White : Fossils of the Jura- 

 Trias of southeastern Idaho. 105—118. — A. C. Peale: Jura-Trias section 

 of southeastern Idaho and western Wyoming. 119—124. — W. H. Holmes: 

 Fossil forests of the volcanic tertiary formations of the Yellowstone Natio- 

 nal park. 125—132. — C. A. White: Conditions of preservation of in- 

 vertebrate fossils. 133—142. — C. A. White and H. Alleyne Nicholson: 

 Supplement to the bibliography of North American invertebrate paleon- 

 tology. 143—152. 



38) Proceedings of the American Philosophical Society. 

 Philadelphia. 



Vol. XVII. January to June 1878. No. 101. 

 L. Lesquereux: On the Cordaites and their Related Generic Divisions 

 in the Carboniferous Formation of the United States. — Wm. Ginley: 

 Notice of the Discovery of the Position of the Crural Processes in the 

 Genus Atrypa. — Daniel Kirkwood: On the Aerolitic Epoch of November 

 12.— 13. — Andrew Sherwood: Section of Devonian Rocks made in the 

 Catskill Mountain at Palenville, Kauterskill Creek, N.Y. — Andrew and 

 Clark Sherwood: Section along Schoharie Creek in Schoharie County, 

 N. Y. , between Gilboa and Middleburg , from the Catskill down to the 

 Upper Helderberg. — Franklin Platt and R. H. Sanders: Section of the 

 Palaeozoic Rocks in Blair County. — E. D. Cope : Descriptions of Extinct 

 Batrachia and Reptilia from the Permian Formation of Texas. — H. M. 

 Chance: Hyner's Station Oil Well Section, included in a detailed Section 

 of the Rocks between the Lower Productive Coal Mesures and the Dark 

 Slates of the Devonian in the Vicinity of Renova, Pa. 



Vol. XVII. July to December 1878. No. 102. 

 Charles A. Ashburner: Oil Well Records in McKean and Elk Counties, 

 Pennsylvania. — George A. König: Preliminary Notice on Chromometry. 



— Edward D. Cope: On Some of the Characters of the Miocene Fauna 



