IV CONTENTS. 



ARTHUR HOLLICK. 



Geological Notes, Long Island and Block Island 9 



Eecent Discoveries of Fossils at Cliffwood, New Jersey 124 



GEO. S. HUNTINGTON. 



Contribution to the Myology of Lemur Bruneus 75, 335 



On Some points in the Formation and Distribution of the Cervical 



Plexus in Cynomorphous Monkeys 82 



J. F. KEMP. 



The Glacial or Post-Glacial Diversion of the Bronx Eiver from its old 



Channel 18 



F. E. LLOYD. 



On the Mechanisms in Certain boring Lamellibranch Molluscs 307 



ALFRED J. MOSES, PH.D. 



Some NevF Appliances and Methods for the study of Crystals 45 



JOHN STRONG NEWBERRY. 



Nearly Completed manuscript (1890-1891) edited by Bashford Dean on 

 New Species and a New Genus of American Palteozic Fishes, together 

 with Notes in the Genera, Oracanthus, Dactylodus, Polyrhizodus, 

 Sandalodus, Deltodus 282 



DAVID HALE NEWLAND, A.B. 



Notes of the Eclogite of the Bavarian Fichtelgebirge 24 



F. C. NICHOLAS. 



The Mountains and Tertiary Valleys of Eastern Columbia (plate XV)... 166 



J. I. PECK AND N. R. HARRINGTON. 



Observations on the Plankton of Puget Sound (plates XXXVII and 



XXXVIII) 378 



HEINRICH RIES. 



Allanite Crystals from Mineville, N. Y 327 



Note on a Beryl Crystal from New York City 329 



J. J. STEVENSON. 



Geology of the Bermuda Islands ( plates VIII-X) 96 



C. C. TROWBRIDGE. 



The Use of the Hair Hygrometer 3 



