SUBJECT INDEX 



163 



Color— Continued . 



inheritance in — continued. 



pigs, (30) 69; (31) 567; (32) 466. 

 pointer dogs, (31) 865. 

 rabbits, (28) 768; (33) 757; (34) 370, 466. 

 Rotundifolia grapes, (31) 637. 

 sorrel horses, (36) 270. 

 tobacco blossoms, (40) 442. 

 wheat, (40) 525. 

 laboratory of Bureau of Chemistry, (40) 16. 

 numerical expression for, (37) 110. 

 production in iris flowers, (31) 626. 

 relation to sex and fertility in guinea pigs, (30) 



472. 

 standards and colorimetric assays, (35) 204. 

 standards in biolog>', book, (29) 762. 

 tests, biochemical, studies, (40) 114. 

 washes, notes, (27) 599. 

 Colorado- 

 College, notes, (28) 494; (29) 90; (33) 99; (40) 900. 

 grass as a forage crop, (31) 829. 

 grass, notes, (26) 302. 

 River — 



basin, hydrography, (32) 279. 

 basin, proflle surveys, (36) 784. 

 control, (35) 579, 685. 

 silt determinations, (37) 486. 

 rubber plant or pingue, description, (39) 386. 

 Station — 



financial statement, (26) 692; (27) 396. 

 notes. (27) 300; (28) 494; (29) 96; (33) 99. 

 report, (30) 197; (31) 694; (33) 96; (36) 693; 



(37) 599' (39) 397. 

 report of director, (26) 692; (27) 396. 

 Colored solutions, acidimetry of, (39) 503. 

 Colorimeter — 



description, (35) 612. 



dilution, description, (32) 20. 



Duboscq, converting into nephelometer, (34) 



503. 

 new form, (39) 503. 



observations, source of error in, (34) 805. 

 Colorimetric determination of organic substances, 



(40) 712. 

 Colorimetry, new apparatus for, (37) 803. 

 Coloring- 

 extracts, preparation, (30) 615. 

 matter, detection in — 

 edible fats, (31) 811. 

 fruit juices, (26) 608. 

 milk, (37) 113. 

 tea, (30) 207. 

 matter- 

 elimination by the udder, (30) 474. 

 photodynamically active, effect on plant 



cells and tissues, (.34) 223. 

 plant, chemistry, (27) 310. 

 separation, (27) 497. 

 Colors — 



artificial, use in food products, (29) 661. 

 comparison, (32) 20. 

 eflect on plants, (28) 36. 

 Colostrum — 



analyses, (26) 80; (38) 780. 

 as affected by parturition, (37) 172. 

 biochemistry, (27) 208. 

 bodies, biology, (32) 80. 

 catalytic activity, (29) 717. 

 cell content, (20) 370. 

 change into normal milk, (38) 780. 

 chemistry of, (31) 573. 

 detection, Schardinger reaction, (26) 211. 

 hemolytic power, (27) 208, 811. 

 human, antibody content, (29) 778. 

 investigations, (28) 18. 

 notes, (26) 161, 673. 

 proteins of, (37) 8. 



toxic character in milk fever, (27) 185. 

 Colpitis granulosa, causative agent, (26) 285. 

 Colpitol, description, (30) 678. 

 Colpoda cucullus — 



bactericidal power, (27) 317. 

 prevalence in soils, (29) 622; (32) 619. 

 Colt shows, directions for, (33) 697. 

 Colts- 

 breaking and training, (33) 271. 

 draft, developing, (29) 773; (34) 175. 

 feed cost, (39j 168. 

 newborn, weakness in, (39) 187. 

 Colt's foot brown leaf spot, studies, (26) 852. 



Columbia River, annual rise, (29) 812; (36) 19; (38) 



511. 

 Columbine — 



culture in Alaska, (29) 743. 

 leaf minor, notes, (37) 255. 

 leaf miner, studies, (36) 57. 

 wilt disease, studies, (.36) 251. 

 Colymbus auritus, notes, (27) 355. 

 Colza- 

 cakes — 



adulteration, (26) 468. 

 eflect on milk, (26) 477. 

 microscopic e.xamination, (37) 416. 

 oil, determination in mi.\turcs, (37) 312. 

 Comandra umbellata, parasitism, (34) 242. 

 Combretum spp., analyses and digestibility, (27) 



871; (32) 167. 

 Comedo hookeri n.sp., description, (30) 59. 

 Comfrey— 



cell proliferant of, (26) 580. 

 culture and composition, (32) 631. 

 culture experiments, (29) 331. 

 prickly, fertilizer experiments, (26) 631. 

 prickly, varieties, (26) 631. 

 Commelina nudiflora as a feeding stuff, (35) 561. 

 Commerce, internal, of United States, (32) 90. 

 Commercial — 



geography, textbook, (28) 298. 

 organizations in United States, (34) 290. 

 Commiphora africana, analyses and digestibility, 



(27) 871; (32) 167. 

 Commission on — 



bovine tuberculosis in New York, (31) 498. 

 Industrial Training and Technical Education 



in Canada, (31) 401. 

 meat supply of United States, (30) 96. 

 Commodities^ 



prices in Tokyo, (26) 491. 

 prices of, (26) 359. 

 prices of in 1912, (29) 190. 

 trend of prices since 1890, (26) 689. 

 Communal kitchens in Europe, (39) 367. 

 Community— 



and national life, lessons in, (40) 197. 

 center, functions and organizations, (39) 690. 

 centers, suggestions for, (36) 92. 

 development, plan, (38) 694. 

 gardens — see also Gardens. 



supervising, (31) 195. 

 improvement — see also Rural communities. 



clubs, (31) 690. 

 markets, (39) 894. 

 school building at Wheaton, Minnesota, (37) 



793. 

 service week in North Carolina, (32) 388. 

 Compass plants, leaf position, (28) 228. 

 Complement- 

 action, studies, (33) 280. 

 binding test, diagnostic value, (26) 283. 

 effect of arsphenamin and mercuric chlorid on, 



(40) 287. 

 fixation — 



as affected by temperature, (37) 688; (38) 79. 

 effect on protein metabolism, (30) 478. 

 in tuberculosis, (40) 481, 886, 887. 

 mechanism of, (30) 276. 

 nonspecific, studies, (34) 779. 

 preparation of bacillary extracts for, (30) 



281. 

 reactions, value, (26) 180. 

 relation to precipitins, (30) 478. 

 studies, (39) 80, 284. 

 fixation test — 



antigens containing cholesterol for, (32) 272. 

 diagnostic value for abortion in cows, (29) 



586. 

 multiple pipette for, (35) 680. 

 pipette holder for, (40) 581. 

 utilization, (26) 676. 

 fixation with protein substances, (40) 286. 

 preservation, (38) 80; (39) 584. 

 Compositae, pollen-presentation mechanism, (34) 



727; (38) 225; (39) 29. 

 Composts— 



as an aid to soil building, (36) 197. 

 inoculation with soil, (36) 516. 

 of plant materials, Philippine, (39) 523. 

 preparation, (30) 520. 

 Compression, effect on root structure, (32) 825. 



