6i8 



SUBJECT INDEX 



*Steel, location of flaws in rifle- 

 barrel, by magnetic analysis. R. 

 L. Sanford and William B. 

 KOUWENHOVEN. 329. 



*Viscosimeter, the MacMichael tor- 

 sional. WiNSLOW H. Herschel. 

 574. 

 Thermochemistry. Ionization of vapors 

 of certain compounds, the thermo- 

 chemistry of. Paul D. Foote 

 and F. L. MohlER. 435. 

 Volcanology. fjava, volcanoes of. W. 

 VAN BemmelEn. 576. 



*Kilauea, composition of gases of. E. 

 T. Shepherd. 23. 

 Zoology. Bulimulus, on relations of 

 sectional groups of, of subgenus 



Naesiotus Albers. W. H. Dall. 



117. 

 tChelonians, observation on cervical 



region of spine in. R. W. Shu- 



FELDT. 581. 

 Fish fauna of the Cordillera of 



Bogota. Carl H. Eigenmann. 



460. 

 tLobster, spiny, life history of. D 



R. Crawford. 578. 

 fMoloch lizard from Australia. R. 



W. Shufeldt. 579. 

 fMt. Rainier National Park, birds and 



mammals of. W. P. Taylor. 578. 

 fPoison gas detector and how it was 



discovered. Paul Bartsch. 309. 



