— 162 — 



17) Proceedings of th e Boston S ociety of natural history. 8°. 

 Boston 1879 und 1880. [Jb. 1880. I. 316.] 



Vol. XX. part 2 and 3. November 1878 — January 1880. 



N. S. Shaler: Evidences of a gradual passage from sedimentary to 

 volcanic rocks in the Brighton district. 129. — W. 0. Crosby: Occurrence 

 of fossiliferous boulders in the drift of Truro, Cape Cod. 136. — T. Sterry 

 Hunt: Remarks on the precambrian rocks of Great Britain. 140. — 

 W. 0. Crosby: A possible origin of petrosiliceous rocks. 160. — Geo. Fred. 

 Wright: The Kames and moraines of New England. 210. — Warree 

 Upham: Glacial drift of Boston and vicinity. 220. — Sah. Kneeland: The 

 mineralized phosphatic guanos of the equatorial pacific islands. 235. — 

 N. S. Shaler: Notes on the submarine coast shelf or Hundred-Fathom 

 detrital fringe. 278. — M. E. Wadsworth: Danalite from the iron mine, 

 Bartlett. N. H. 284; — Picrolite from a Serpentine quarry in Florida, Mass. 

 286. — W. H. Melville: Analysis of the above picrolite. 287. — 

 J. H. Huntingdon: On the iron-ore of Bartlett, N. H. 288. — Edw. S. Morse: 

 Remarks on the antiquities of Japan. 304. — F. W. Pittnah: Remarks on 

 chambered mounds in Missouri. 304. — W. 0. Crosby: Evidences of 

 compression in the rocks of the Boston basin. 308. — M. E. Wadsworth: 

 Remarks on the preceding paper. 313. — S. H. Scudder: Probable age 

 of Haulover Beach, Nantucket Harbor. 329. 



18) Proceedings of the American Philosophical Society 

 Philadelphia. Vol. XVIII. [Jb. 1880. I. 317.] 



No. 104. July to Dec. 1879. 



Persifor Frazer: Fossil forms in the quartzoze rocks of the Lower 

 Susquehanna (with 1 plate). — F. A. Genth: On Pyrophyllite from 

 Schuylkill county, Pennsylv. — J. J. Stevenson: Surface geology of 

 south-west Pennsylvania and adjacent portions of West Virginia and 

 Maryland; — Discovery of Buthotrephis flexuosa in the roofing slate quarries 

 of Lancaster county, Penns. — E. D. Cope: Second contribution to a 

 knowledge of the Miocene fauna of Oregon. 



No. 105. Jan. to March 1880. 

 C. A. Ashburner: On the oil sand of Bradford, McKean County 

 (with 1 plate). — C. E. Hall: Relations of the crystalline rocks of 

 Pennsylvania to the Silurian limestones and the Hudson river age of the 

 Hydromica schists (with 1 plate). 



19) Proceedings of the Academy of Natural Sciences of 

 Philadelphia. Part. I. II. III. April— December 1879. Philadelphia. 

 1879 und 1880. 8°. [Jb. 1880. I. 318.] 



Jos. Leidy: Fossil foot-tracks of the Anthracite coal measures. 164; 

 Explosion of a diamond. 195. — E. Goldsmith: On amber containing fossil 

 insects. 207. — Angelo Heilprin : On some new eocene fossils from the 



