CONTENTS. 



PagU 

 EEGENTS OF THE UNIVERSITY, AND STANDING COMMITTEES 2 



ANNUAL REPORT OF THE REGENTS 3 



ACCOUNT CURRENT 5 



CONTRIBUTIONS TO THE PALEONTOLOGY OF NEW-YORK, BY 



JAMES HALL 7 



Notice of the Ganera Ambonychia, Paleearca and Mega-mbonia 8 



Observations on the Genera Capulus, Pileopsis, Acroculia & Platyceras, 15 



Observations on the Genera Platyostoma and Strophostylus 20 



Observations on the Genus Nucleospira, etc 23 



Observations on the Genus Eatonia 34 



Observations on the Genus Rensselmria 38 



Observations on the Genus Camarium 42 



Notes upon the Genus Graptolithus 45 



Trilobites of the Shales of the Hudson-river group 59 



C(*rected Catalogue of the Fossils described in the Palaeontology of 



New-York 63 



Fossils of the first volume 65 



Fossils of the second volume 77 



Fossils of the third volume 93 



Corrected List of Fossils described in the Report of the Fourth 



Geological District of New-York 87 



DONATIONS AND PURCHASES DURING THE YEAR 1858 97 



1. Fossils from the Eocene Tertiary of Paris, presented by W.C.Johnson, 98 



2. Fossils from England, presented by P. P. Carpenter 99 



3. Fossils deposited in the State Cabinet by L. Lincklaen 101 



4. List of British Mollusca, purchased of P. P. Carpenter 102 



5. List of Foreign Shells, presented by H. Cuming 105 



6. Donations for Economic Geology 108 



7. Miscellaneous donations and items 109 & 98 



Suppi.,ementary Note on the Genus Ambonychia, by James Hall 110 



