Volume VII. No. 169 April 30, 1886 



SCIENCE 



Comment and Criticism. — A threatened crippling of the U. S. geological survey. — Science vs. the classics 



as a requisite for admission to college. — Free lectures at universities 383 



April meeting of the National academy of sciences ....... 384 



The data now requisite in solar inquiries . .... J. Norman Lockyer 386 



Deep-sea soundings in the Atlantic . . . . . . . J. R. Bartlett 387 



London Letter. — The report of the commission on coal-mine explosions. — Professor Morris's ' Catalogue 

 of British fossils.' — The Challenger volumes. — Electrical resistance of the human body and its capacity 

 as a storage-battery ........... ..... 389 



Notes and News. — Additional papers read at the recent meeting of the National academy of sciences in 



Washington . . . . . . . . . . . . . . . . . .391 



Letters to the Editor. 



Science at Cornell. — C. A'. Adams . . . 391 

 Popular astronomy. — C. A. Young; S. Newcomb 392 

 Arsenic in wall-paper. — D. G. Lyon . . . 393 

 On two plates of stratigraphical sections of the 

 Taconic ranges by Prof. James Hail. — Jules 

 Marcou . . . . . . 393 



A carnivorous butterfly larva. — C. V. Riley . 394 

 Combined aerial and aquatic respiration. — S. H. 



Pharyngeal respiratory movements of adult am- 

 phibia under water. — S. H. and S. P. Gage 395 

 The germination of pond-lily seeds. — Geo. F. 



Waters ....... 395 



Eskimo building-snow. — Gilbert Thompson . 396 

 Certain homologous muscles. — C. L. Herrick 396 

 A means of distinguishing the Canada lynx from 



and S. P. Gage 394 I the Bay lynx. — Frederick True . . 396 



SCIENCE SUPPLEMENT. 



Multiple personality ............. 397 



Some remarkable gems George F. Kunz 399 



Race and language . . . ... . . . . . . . . H. Hale 399 



Theoretical optics . . . . . . . . . . . . 401 



The Rotifera . . . . C. S. Minot 402 



Proper names ............... 403 



King of the Belgians' prize ............ 404 



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Price 15 cents. 



