666 



AUTHOR INDEX 



Cook, O. F. Evolution through normal 



diversity. 192. 



Maya farms, the size of. 11. 



CooLEY, J. S. *Apple scald. 378. 

 CORBETT, L. C. tLight, artificial, plant 



responses under. 148. 

 Crampton, G. C. fZoraptera, phylog- 



eny of. 418. 

 CuRTiN, Jeremiah. *Seneca fiction, 



legends and myths. 340. 

 Curtis, Heber D. Spiral nebulae, 



modern theories of the. 217. 

 Curtis, H. L. fMeasurements of short 



time intervals. 642. 

 CusHMAN, Joseph Augustine. Lower 



cretaceous age of the limestones 



underlying Florida. 70. 



*Pliocene Foraminifera of the 



Coastal Plain of the United States. 

 328. 



CuSHMAN, R. A. *Idiogastra, new sub- 

 order of Hymenoptera with notes 

 on miniature stages of Oryssus. 



327- 

 Dall, William H. Tertiary fossils 

 from the Pribilof Islands, i. 



fReminiscences [of the Biological 



Society]. 659. 



Day, Arthur L. fOptical glass. 603. 



Bearing, Charles T. fMuscadine 

 grapes, producing self- fertile. 147. 



Bellinger, J. H. *Principles of radio 

 transmission and reception with an- 

 tenna and coil aerials. 641. 



Buncan, R. C. fMeasurements of 

 short time intervals. 642. 



BUNKLEY, W. A. *Toluol recovery. 



203-. 



BwiGHT, Jonathan. *Gu11, description 

 of a new race of western. 499. 



Ely, Charles R. *Gracilariidae, re- 

 vision of North American, from 

 standpoint of venation. 327. 



Fairchild, D. G. jMeyer, Frank N., 

 agricultural explorations of. 559. 



Fenner, C. N. *Optical glass, effect 

 of certain impurities in causing 

 milkiness in. 172. 



Ferguson, John B. *Cristobalite and 

 tridymite, melting points of. 103. 



— ■ — *Equilibrium between carbon 

 monoxide, carbon dioxide, sulfur di- 

 oxide, and free sulfur, the. 79. 



*Magnesia, note on the sintering 



of. 139- 



*Optical glass, effect of certain 



impurities in causing milkiness in. 

 172. 



*Optical glass, volatilization of 



iron from pots [used for], by 

 chlorine at high temperatures. 640. 



Oxidation of lava by steam. 539. 



*Sintering of magnesia, note on 



the. 139. 



*Sulfur dioxide, thermal dissocia- 

 tion of. 599. 



*Temperature uniformity in an 



electric furnace. 80. 



■ *Ternary system lime-magnesia- 

 silica. 629. 



*Tridymite and cristobalite, 



melting points of. 103. 



*Wollastonite and related solid 



solutions in the ternary system lime- 

 magnesia-silica. 630. 



Ferguson, S. P. fMeteorological phe- 

 nomena of solar eclipse of June 8, 

 1918. 20. 



Fisher, D. F. *Apple scald. 378. 



Gahan, a. B. fSawfly, the black grain- 

 stem, of Europe in the United States. 

 416. 



Gailey, W. R. Carbon monoxide, a 

 respiration product of Nereocystis 

 luetkeana. 560. 



Galloway, Beverly T. *Phytopatho- 

 logical problems in their relation to 

 foreign seed and plant introduction. 

 198. 



Gann, Thomas W. F. *Maya Indians 

 of southern Yucatan and northern 

 British Honduras. 533. 



George, G. D. fRust, black-stem, and 

 the barberry. 416. 



Gibson, Edmund H. flnsect prob- 

 lems, some war-camp. 357. 



