42 INDEX TO CONTRIBUTORS. 



Prof. T. M. Brewer (of New Haven). 



PAGE 



d1. Theories of the potato disease. 



H. B. Butcher. 



24. Two immense meteorites. 



T. L. Casey 



22. Communicates a Report by Capt. C. W. Raymond. 



A. Clark (of Cambridgeport, Mass.) 



92. The construction of the telescope at the Naval Ob&. 



F. W. Clarke. 



103. Atomic volumes of crystallized and double salts. 

 104-105. Molecular beats of similar compounds. 



Hon. T. L. Clingman (of North Carolina). 



104. Earthquake phenomena in North Carolina. 



J. H. C. Coffin 



5T. Communicates letter from Dr. B. A. Gould, of Cordoba, 

 63. " maps prepared by G. W. Hill. 



E. Coues. 



96. Structure and homologies of the limbs. ^ 



R. D. CUTTS. 



.39-41. Misapplication of geographical terms. 

 ^0-t3. Results of observations at Sherman Station. 



R. E. Craig. 



31. Fluctuations of the temperature of the human body. 

 34. Apothecaries' weights and measures. 



42. Thermometers. 



43. Method of verifying the indications of a thermometer. 

 52. Apparatus for the generation of ozone. 



65. Water supply of cities. 



Dr. Curtis. 



63. Hayden's survey of the Western Territories. 



W. H. Dall. 



25. The value of Alaska to the United States. 



G. C. DOANE. 



21. Official report of the Yellowstone Expedition of 18^0 



