if- 



TABLE OF CONTENTS OF Vol. XII, 



Page. 



1. — Charter, Order of Court, Constitution and By- 

 Laws, and List of Members of the New York 

 Academy of Sciences, 1899, 1-40 



2. — Matthew, Geo. F. A Palaeozoic Terrane beneath 



the Cambrian. (Figs. 1-4), 41-56 



3. — Catalogue of Exhibits, Sixth Annual Reception 

 and Exhibition, New York Academy of Sci- 

 ences, April 19 and 20, 1899, 5 7-90 



4. — ^Hollick, Arthur. Some Features of the Drift on 



Staten Island, New York, (Plate I), . . . . 91-102 



5. — Weil, Richard. Development of the Ossicula 



Audita in the Opossum, (Plates II-III), . . . 103-112 



6. — Merrill, Frederick J. H. Origin of the White 

 and Variegated Clays of the North Shore of 

 Long Island, 113-116 



7. — Clark, Hubert Lyman. Further Notes on the 



Echinoderms of Bermuda, (Plate IV), . . . 1 17-138 



8. — Whitfield, R. P. List of Fossils, Types and Fig- 

 ured Specimens, used in the Palaeontological 

 Work of R. P. Whitfield, showing where they 

 are probably to be found at the present time, . 139-186 



9. — Irving, John Duer. A Contribution to the Ge- 

 ology of the Northern Black Hills, (Figs. 5-20; 

 Plates V-X VI), 187-340 



10. — Kretz, Walter C. The Positions and Proper 

 Motions of the Principal Stars in the Cluster 

 of Coma Berenices as Deduced from Measure- 

 ments of the Rutherfurd Photographs, . . 341-478 



