INDEX 



621 



*Suit ability of longleaf pine for 



paper pulp. 502. 



SwANN, W. F. G. The atmospheric 

 potential gradient and a theory as 

 to its connection with other phe- 

 nomena in atmospheric electricity. 

 127. 



Swingle, Walter T. The name of 

 the wood-apple, Feronia Limonia. 

 325. 



Talbott, Henry. An American Swas- 

 tika. 203. 



Tassin, Wirt. iSIetallography applied 

 to inspection. 87. 



Taylor, A. H. *The Pentane Lamp 

 as a working standard. 72. 



TiDESTROM, Ivar. Reminiscences. 3.5. 



TiLLYER, E. D. Photographic lenses 

 and plates. 333. 



TiTT.MAN, O. H. Our Northern bound- 

 aries. 37. 



True, R. H. Alcohol and agriculture 

 in Germany. 233. 



A report on the Atlanta meeting 



of the Botanical Society of Ameri- 

 ca. 125. 



TuTTLE, J. B. The iodine number of 

 linseed and petroleum oils. 317. 



Udden, J. A. *Geology and mineral 

 resources of the Peoria quadrangle, 

 Illinois. 219. 



Umpleby, Joseph B. Crystallized 

 chrysocoUa from Mackay, Idaho. 

 181. 



*Geology and ore deposits ot Lemhi 



County, Idaho. 166. 



*Some ore deposits in northwestern 



Custer County, Idaho. 194. 



1 he contact metamorphic copper 



deposits at Mackay, Idaho. 12. 



Van Orstrand, C. E. 1 he calcula- 

 tion and comparison of mineral 

 analyses. 514. 



Van Winkle, W *Quality of the sur- 

 face waters of Washington. 606. 



*Quality cf the surface waters of 



Oregon. 607. 



Vaughan, Thomas Wayland. Sketch 

 of the geologic history of the Flor- 

 ida coral reef tract and compari- 

 sons with other coral reef areas. 

 26. 



Comparison of the geologic history 



of the Florida Reef tract with that 

 of other reef areas. 169. 



Correlation of the Hawthorn for- 

 mation. 250. 



Verrill, Addison Emery. *Mono- 

 graph of the shallow-water star- 

 fishes of the North Pacific coast 

 from the Arctic Ocean to Cali- 

 fornia. 291. 



ViERECK, Henry L. *Descriptions of 

 twenty-three new genera and thir- 

 ty-one new species of Ichneumon 

 flies. 145. 



*Type species of the genera of 



Ichneumon fhes. 375. > 



ViNAL, G. W. Comparison of the silver 

 and iodine voltameters and the de- 

 termination of the value of the 

 faraday. 69. 



On certain electrochemical prob- 

 lems. 204. 



The silver voltameter. Part IV. 



52. 



Ftudies on the silver voltameter. 



593. 



Waidner, C. W. *IndustriaI gas cal- 

 orimetry. 76. 



Walcott, Charles D. *Cambrian 

 Geology and Paleontology, II. 

 No. 11. New Lower Cambrian 

 subfauna. 371. 



*Cambrian Geology and Paleontol- 

 ogy, II, No. 12. Cambrian for- 

 mations of the Robson Peak Dis- 

 trict, British Columbia and Alber- 

 ta, Canada. 372. 



*Cambrian Geology and Paleontol- 

 ogy, II, No. 13. Dikelocephalus 

 and other genera of the Dikelo- 

 cephalinae. 372. 



' Abstracts. 



