/I 
CONTENTS. 
JANUARY NUMBER. 
Page 
Edward Drinker Cope. Helen Deax King. [Portrait.] 1 
Thalite and Bowlingit;^ froni- the North Shore of Lal^e 
Superior. N. H. Winchell 41 
The Laws of Climatic Evolution. Marsden Mans>on 44 
Review of Recent Geolxxjiad Literature.— Fosail Medusae, C. D. Wal- 
coTT. 57.— Ueber die Fauna der Bande f. I. im mittel bohmisehen 
Siiur, J. V. Zelizko ; also, Beitrag zur Keuntniss des Mittelcam- 
brium von Jenes in Bohmen, J. V. Zelizko, (U. -The educational 
series of rock specimens collected and distributed by the United 
States Geological Survey, J. S. Diller, 61. 
Monthly Authorn Catalogue of American Geological Literature, 62. 
Personal and Scientific Neivs, 67. 
FEBRUARY NUMBER. 
Side-Light upon Coal Formation. W. S. Gresley. 
[Plate II.] (j9 
The Ice-contact in the Classification of Glacial Deposit.s. 
J. B. WOODWORTH 80 
Eleventh Winter Meeting of the Geological Society of 
America. E. O. Hovey Si^ 
Some New Fossils from Eastern Massachusetts. Dr. W. 
E. HoBBS. [Illustrated.] 109 
Chlorastrolite and Zonochlorite from Isle Rftyale. N. H. 
Winchell 11»5 
On the Occurrence of Quenstedtite Near Montpelier, 
Iowa. Otto Kuntze 119 
Intrusives in the Inwood Limestone of Manhattan Island. 
E.C.Eckel. [Plate III.] 122 
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