IV CONTENTS. 



BASIIFORD DEAN. 



Dionaui, its Life Habits under Native Conditions "•* 



Trachosteus and MyJostonia : Notes on their Structural Characters 



(abstract") TO 



Tlie Marine Laboratories of Eurojx' (pubUslied by title only) fl-') 



On tlie Mode of Origin of the Paired Fins (abstract) 1~1 



Contributions to the Anatomy of Dimchlhys (abstract) 1H7 



On the Orj^ans of Special Sense in tlic Coccosteids (published by 



title only) 188 



D. (}. ELLIOT. 



Tlie Life and Services of John James Audubon (title only: ])a])er lo be 



published in Vol. XIII. of the Tuansactions) '.2iy 



C. H. EMERSON. 

 Fact and Fallacy in the Boomerang Problem 77 



HERMAN LE ROY FAIRCHILD. 



iV Memoir of Pi-ofessor John Strong Newberry 153 



O. K. CJILBERT. 



A Tlieory of the Formation of Lunar Craters (abstract) 93 



WILLIAM IIALI^OCK. 



Investigations of the Temperature of the Earth's Crust (abstract) . .. lS(j 



ARTlUll IIOLLICK. 



Additions to tlie PaIieol)otany of the Cretaceons Formation on Statcn 



Island (Plates I.— IV.) 28 



I'lant Distribution as a Factor in the Interpretation of (Jeologic-al 



Piienomena, with special reference to Long Issland and Vicinity... lb!) 



Preliminary Contribution to our knowledge of the Cretaceous Forma- 

 tion on Long Island and Ivistward (Plates V.— VII.) 232 



O. 1', IirRRARD. 



Notes on Indian T'oir: S 



