702 



INDEX 



fJapan, botanical notes of a trip to. 



W. T. Swingle. 101. 

 *Monopteryx, characters and rela- 

 tionships of the genus. H. Pit- 

 tier. 295. 

 Moreh oak, a new name for Quercus 

 morehus Kellogg. W. H. Lamb. 

 657. 

 Morphology and evolution of leaves. 



O. F. Cook. 537. 

 tNative plants as indicators of the 

 agricultural value of land. T. H. 

 Kearney. 363. 

 New Mexico and Argentina, com- 

 parative notes on the floras of. P. 

 C. Standley. 236. 

 Pamburus, a new genus related to 

 Citrus, from India. W. T. 

 Swingle. 335. 

 fPhilippine Islands, some botanical 

 problems in. E. D. Merrill. 

 101. 

 Pithecolobium saman, systematic po- 

 sition of. E. D. Merrill. 42. 

 Pleiospermium, a new genus related 

 to Citrus. W. T. Swingle. 426. 

 Rollinia, proposed classification of. 



W. E. Safford. 370. 

 Rolliniopsis, a new genus of An- 

 nonaceae from Brazil. W. E. 

 Safford. 197. 

 fSeeds, experimental study of the 

 life duration of. W. Crocker. 

 102. 

 Severinia buxifolia, a Citrus relative 

 of southern China. W. T. 

 Swingle. 651. 

 South America, botanical explora- 

 tions in. J. N. Rose. f24, f636. 

 fSugar-beet breeding, some recent 

 investigations in. F. J. Pritch- 

 ard. 99. 

 fThomas Jefferson in relation to bot- 

 any. R. H. True. 191. 

 Tidestromia, a new generic name. 



P. C. Standley. 69. 

 *Tropical American phanerogams, 

 studies of,— No. 2. P. C. Stand- 

 ley. 401. 



References. 246, 455. 



See also: Ethnobotany; Evolution; 

 Forestry; Horticulture; Paleon- 

 tology; Phytogeography; Phyto- 

 pathology; Plant Physiology; Tax- 

 onomy. 



Ceramics. Porcelain, constitution and 

 microstructure of. A. A. Klein 

 659. 



Chemistry. *Acetylene, colorimetric 

 determination of. E. R. Weaver 

 185. 

 Aluminium, determination of. W. 



Blum. 421. 

 Calcium carbonate, bacteria as 

 agents in the precipitation of. 

 K. F. Kellerman. f297, f516. 

 Calcium carbonate, deposition of. 



J. Johnston. f297, f516. 

 Calcium oxide: ferric oxide. R. B. 

 Sosman and H. E. Merwin. 532. 

 Chemical study of habitat of walk- 

 ing fern, Camptosorus rhizophyllus. 

 E. T. Wherry. 672. 

 fChemistry in relation to war. L. 



H. Baekeland. 227. 

 fChlorine, action of light on. H. 



H. Custis. 307. 

 fColloidal chemistry, principles of. 



J. U. Lloyd. 308. 

 fCopper sulphide enrichment, chem- 

 ical studies in. E. T. Allen. 21. 

 Hydrogen-ion concentration in soils. 



L. J. Gillespie. 7. 

 Hydrogen-ion concentration, sul- 

 phone-phthaleins as indicators for 

 the colorimetric determination 

 of. H. A. Lubs and W. M. 

 Clark. 481. 

 Hydrogen-ion indicators for culture 

 media. W. M. Clark and H. A. 

 Lubs. 483. 

 fOil field waters and their chemical 

 relations to oil. G. S. Rogers. 

 189. 



References. 123, 245. 



See also Crystallography; Electro- 

 chemistry; Geology; Metallog- 



