^ 



1H-I7/0 



SCIENCE 



A WEEKLY NEWSPAPER OF ALL THE ARTS AND SCIENCES. 



PUBLISHED BY N. D. C. HODGES, 874 BROADWAY, NEW YORK. 



Tenth Yeak. 

 Vol. XIX. No. 477. 



MAECH 25, 1893. 



Single Copies, Ten Cents. 

 3.50 Feb Year, in Advance. 



Contents. 



The Puma, ok American Lion. Fred- 

 erick W. True 169 



Astronomical Notes. G. A. H 171 



Venezuela and Colombia 171 



Notes and News 173 



Current Notes on Anthropology. — II. 



Edited by D. G. Brinlon. 174 



Letters to the Editor. 



The Question of the Celts. P. Max 



Foshay 175 



The Color Question Again. Milton 



Bradley 175 



Professor Alexander Agassiz on the 

 Origin of the Fauna and Flora of 

 the Galapagos Islands. G. Baur.. 176 

 The Scientific Alliance. Henry F. 



Osborn 176 



Book Eeviews. 



Travels Amongst the Great Andes of 



the Equator 176 



Order in the Physical World and its 



First Cause 177 



Natural Law in the Spiritual World. 177 

 Among the Publishers 177 



Entered at the Post-Offlce of New York, N.Y., as 

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A NEW MONTHLY REVIEW OF SCIENTIFIC PROGRESS. 



NATURAL SCIENCE. 



Vol. I. 



MARCH, 1892. 



price:, 25 CENTS EACH NUITIBER. ANNUAL SUBSCRIPTION, $3.00. 



CO JSTTENT S. 



No. 1. 



SOME RECENT OBSERVATIONS UPON MIMICRY. 



By Frank E. Beddard. 



DEEP-SEA DEPOSITS. A Review of the 'Work of the "Challenger" 

 Expedition. By J. J. H. Teall, M.A., F.E.S. 



THE EVOLUTION OF FINS. By A. Smith Woodwakd, F.L.S. 



SOME SALIENT POINTS IN THE STUDY OF MAMMALS DUR- 

 ING 1891 . By B. LVDEKKER, B.A., F.Z.S. 



ENGLISH LAKE DWELLINGS. By James W. Davis, F.S.A. 



MARINE SNAKES. By G. A. Boulenger, F.Z.S. 



THE EXPLORATION OF CORAL REEFS BY BORING. 



By J. W. Gregokt, B.Sc, F.G.S. 

 SOME RECENT RESEARCHES ON INSECTS AND ARACHNIDS. 



By G. H. Carpenter, B.Sc. 

 THE RELATIONSHIP OF THE CARBONIFEROUS PLANTS 

 SIGILLARIA AND STIGMARIA. By Thomas Hick, B.A., B.Sc. 



THE MAMMALS OF INDIA. A Review. 



By R. Lydekker, B.A., F.Z.S. 

 New Books. News of Universities and Societies. Obituary. 



THE STORY OF THE HILLS. 



A Popular Account of ITIountains and Hotv^ Tbey are made. 



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GEOLOGICAL SKETCHES: At Home and Abroad. 



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METHODS OF GAS ANALYSIS. 



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