58 DONS. — DU 3 FÉVRIER AU 28 AVRIL 1890 



No 2, Dec. 1888 — Mai 1889. 



Warren TJpham : Marine shells and fragments of shell in the till near Boston, 

 p. 129-140. — Ililborne, T. Cresson: Early man in the Delaware valley, p. 141-149. 

 — Id.: Reiiiarlis upon a cliipped implenient, found in modified drift, on the east 

 iork of the White River, p. 150-151. — G. F. Wright : The âge of the Philadelphia 

 red gravel, p. 152-155. — Alpheiis S. Richard : Palœontological notes, p. 209-215.— 



A. R. C. Selwyn: Canadian geological classilication for the Province of Québec, by 

 Jules Marcou, p. 216-217. 



Cambridge. — Annual Report of the Curator of the Muséum of 

 Comparative Zoôlogy at Harvard Collège to the Président and 

 Fellows of Harvard Collège, for 1888-89. 



— Bulletin of the Muséum of Comparative Zoôlogy. Vol. XVI, 

 no 6. Dec. 1889. 



W. M. Davis et Cli. L. Whittle: The intrusive and extrusive triassic Irap sheets 

 of the ConnecUcut Valley, p. 99-13(^, 5 pi. 



No 1, Mars 1890. 

 Vol. XVII, n« 6. 

 Vol. XIX, no 1. 



E. L. Mark : Studies on Lepidosteus, I, p. 1-127, pi. I-IX. 



— Memoirs of the Muséum of Comparative Zoôlogy. Vol. XVII, 

 no 1, 1890. 



Harrisburg. — Geological Survey of Pennsylvania : Annual 

 Report of the Geological Survey of Pennsylvania for 1887, 1889. 



Joseph Leidy : Notice and description of fossils in caves and crevices of the limes- 

 tone rocks of Pennsylvania, p. 1-20, 2 pi. — A. Wanner : The Discovery of fossil 

 tracks, algae, etc., in the Triassic of York county, Pennsylvania, p. 21-35, 11 pi. — 



B. Smith Lyman : Report on the New Boston and Morea Coal Lands, in Schuylkill 

 County, Pennsylvania, p. 37-91, i carte. — Fr. D. Chester : Tlie State Line Serpentine 

 and associated rocks, p. 93-105. 



— Id. Miscellaneous Reports. P. 4, 1889. 



J. P. Lesley : A. Dictionary of the Fossils of Pennsylvania and neighboring states 

 named in the Reports and Catalogues of the Survey. Vol. I, A. -M. 437 (XXIX) p. 



— Id. South Mountain District, D. 6. 



Ambrose E. Lehniann : Topographical Map of the South Mountains in Adams, 

 Franklin, Cumberland and York Counties, 1/19200. Feuill s G 1-4, D. 2-5. 



New-Haven. — The American Journal of Science, 3^ ser. vol. 

 XXXIX, 1890, nos 230-232. 



D. W^hite: Cretaceous Plants from Martha's Vineyard, p. 93-101, 1 pi. — C. D. 

 Walcott : Review of D'' R. W. EU's 2'' Report on the Geology of « Portion of the 



