676 



SUBJECT INDEX 



*Cactaceae, descriptions and illustra- 

 tions of. N. L. Brixton and J. N. 

 Rose. 408. 



Carbon monoxide, a respiration prod- 

 uct of Nereocystis luetkeana. Seth 

 C. Langdon and W. R. GailEy. 

 560. 



Chicle, origin of, with descriptions of 

 two new species of Achras. H. 

 PiTTiER. 431. 



Dahlia, notes on the genus, with de- 

 scriptions of two new species from 

 Guatemala. W. E. Safford. 364. 



tEcuador, botanical explorations in. 

 J. N. Rose. 205. 



*Flora of the District of Columbia 

 and vicinity, A. S. Hitchcock and 

 Paul C. Standley. 553. 



fGermination of immature seeds. J. 

 B. S. Norton. 146. 



fGrasses, oil, and their uses in per- 

 fumery. Agnes Chase. 356. 



fGuatemala, agricultural explorations 

 in. Wilson Popknoe. 559. 



fHawaiian Islands, botanical trip to. 

 A. S. Hitchcock. 204. 



Ichthyomethia, a genus of plants used 

 for poisoning fash. S. F. Blake. 

 241. 



Ixophorus unisetus, history of the 

 Mexican grass. A. S. Hitchcock. 



546- 



Lasiacis, a peculiar species of. A. S. 

 Hitchcock. 35. 



fLong's Peak, Colorado, notes on the 

 botany of. A. S. Hitchcock. 55. 



Maize, ancestry of. J. K. Kempton. 

 2. 



Maize, evolution of, critical review of 

 Paul Weatherwax on. J. H. Kemp- 

 ton. 3. 



Maize, intolerance of, to self-fertiliza- 

 tion. G. N. Collins. 309. 



fMeyer, Frank N., agricultural ex- 

 plorations of. D. G. Fairchild. 



559- 

 *Mexico, botanical trip to. A. S. 

 Hitchcock. 285. 



Ochroma, synopsis of the genus, with 

 descriptions of new species. W. W. 

 ROWLEE. 157- 



fParadise Key and the surrounding 

 Everglades, vegetation of. W. E. 

 Safford. 205. 



fPoisonous sumachs, Rhus poisoning 

 and remedies therefor, account of. 

 W. L. McAtee. 177. 



1[Sarracemia purpurea. R. W. Shu- 

 FELDT. 177. 



Self-fertilization, intolerance of maize 

 to. G. N. Collins. 309. 



fSkunk cabbage, western. Vernon 

 Bailey. 178. 



*Wheat varieties, naming. CarlE- 

 TON R. Ball and J. Allen Clark. 

 172. 

 Cartography. fProjections, map, in gen- 

 eral, study of. Oscar S. Adams. 

 448. 



fRelief shading of topographic maps. 

 F. E. Matthes. 293. 



fUnited States, mapping the, for 

 military and civil needs. William 

 Bowie. 447. 

 Ceramic Chemistry. *Clays, calcula- 

 tion of the rational analysis of. 

 Henry S. Washington. 171. 



*Optical glass, effect of certain im- 

 purities in causing milkiness in. 

 C. N. Fenner and J. B. Ferguson. 

 172. 

 See also Chemical Technology. 

 Chemical Crystallography. Ammonium 

 picrate and potassium trithionate: 

 optical dispersion and anomalous 

 crystal angles. Herbert E. Mer- 

 wiN. 429. 

 Chemical Technology. *Glass, condition 

 of arsenic in, and its role in glass- 

 making. E. T. Allen and E. G. 

 Zies. 558. 



*Glass, identification of "stones" in. 

 N. L. Bowen. 558. 



fOptical glass. Arthur L. Day. 603. 



*Glass, devitrification of. N. L,. 

 BowEN. 640. 



