INDEX 



547 



*Complement deviation and aggluti- 

 nation in leprosy-immunuty. D. 

 H. Currie and M. T. Clegg, 102 



*Immunity of wild rats to plague in- 

 fection. G. W. McCoy and C. W. 

 Chapin, 494 



*Rat leprosy. D. H. Currie and H. 



T. HOLLMANN, 87 



*Susceptibility of ground-squirrel to 

 plague. G. W. McCoy and C. W. 

 Chapin, 495 

 *Susceptibility of ground-squirrels to 

 tuberculosis. G. W. McCoy and 

 C. W. Chapin, 494 

 Biological chemistry. *Measurement 

 of oxidase content of plant juices. 

 H. H. Bunzel, 209 

 Botany. *Agricultural varieties of cow- 

 pea. C. V. Pifer, 268 

 Annona diversifolia. W. E. Safford 



118 

 *Atalantia et Glycosmis. W. T. Swin- 



gle, 390 

 *Balsamocitrus et Aeglopsis. W. T. 



Swingle, 353 

 *Botanical gardens of the east. L. H. 



Dewey, 103 

 Botanical type specimens. W. T. 



Swingle, 344 

 *Botanizing in Panama. A. S. Hitch- 

 cock, 213 

 ♦Branching habits of Egyptian cotton. 



A. McLachlan, 491 

 *Club-mosses from Panama. W. R. 



Maxon, 441 

 *Cymbopetalum penduliflorum. W. 



E. Safford, 234 

 *Damping-off of coniferous seedlings. 



C. P. Hartley, 468 

 *Deglet Noor date palms. W. T. 



Swingle, 493 

 ♦European herbaria. W. T. Swingle, 



211 

 ♦Future of plant breeding. DeVries, 



430 

 ♦Grasses of New Mexico. E. O. Woot 

 on and P. C. Standley, 440 



♦Heterozygosis in pure lines of beans 



and barley. W. Johannsen, 92 

 ♦Identity of Cyathea multiflora. W. 



R. Maxon, 492 

 Leaves of Amygdalaceae. O. F. 



Cook, 218 

 Lichen flora. A. W. C. T. Herre, 



380 

 Merotypes. W. T. Swingle, 220 

 ♦New fern from Panama. W. R. Max- 

 on, 493 

 ♦New leather flower from 111. P. C. 



Standley, 162 

 New species of Annonaceae. W. E. 



Safford, 459 

 ♦Notes of travel in Central America 



A. S. Hitchcock, 142 

 ♦Nymphaea. G. S. Miller, Jr. and 



P. C. Standley, 426 

 Origin of maize. G. N. Collins, 520 

 Phototypes. M. Kellerman, 346 

 ♦Pigment in the seed-coat of the cow- 

 pea. A. Mann, 294 

 ♦Plants from Colombia and Central 



Amer. 3. H. Pittier, 391 

 Pomegranate flowers. 0. F. Cook, 



434 

 Preserving type specimens. M. Kel- 

 lerman, 222 

 ♦Report on collection of plants from 



the Pinacate region of Sonora. J. 



N. Rose and P. C. Standley, 162 

 ♦Studies on glomerella. C. L. Shear, 



536 

 ♦Three new plants from Alberta. P. 



C. Standley, 162 

 ♦Thrips as pollinators of beets. H. B. 



Shaw, 17 

 ♦Tropical American ferns. W. R. 



Maxon, 492 

 ♦Tumamoca. J. N. Rose, 162 

 Chemistry. The ammonia system. E. 



C. Franklin, 215 

 ♦Atomic weight of bromine. H. C. 



P. Weber, 464 

 Benzoic acid as standard. G. W. 



Morey, 306 



