SUBJECT INDEX 



125 



C arbon— C ontinued . 

 dioxid, effect on— 



availability of plant food, (27; 514. 



calcium cvar.araid, (32) 125. 



germination of seeds, (27) 201; (31) 521; 

 (32) 328. 



hemolytic reaction, (36) 878. 



nitrification in soils, (35) 627. 



oviposition of house fly, (38) 563. 



plant growth, (28) 38; (29) 417; (31) 521, 532; 

 (32) 422, 728. 



respiration in plants, (35) 821. 



ripening of persimmons, (26) 327. 



rotatory power of sucrose and invert sugar, 

 (37) 802. 



soil reaction, (38) 720. 



solubility of soils, (33) 513. 



sprouting of potatoes, (32) 829. 



taste of water, (30) 714. 

 dioxid— 



elimination by nerves, (29) 466. 



evolution in seeds, (27) 220. 

 dioxid, excretion — 



after muscular work, (29) 569. 



and barometric pressure, relationship, (29) 

 569; (30) 563. 



during muscular work, (28) 462; (31) 561. 

 dioxid— 



fertilizing value, (28) 728, 837; (31) 140, 235, 

 519. 



for orchard heating, (39) 45. 



forcing plants with, (28) 837. 



formation from humus preparations, (34) 19. 



formation in presence of carbohydrates, (34) 

 127. 



generator, stopcock for, (40) 202. 



in incubation, (31) 172. 



in soUs, (28) 320; (32) 718. 



in soils, relation to bacterial activity, (29) 

 423. 



loss from incubating eggs, (33) 575. 



output during muscular work, (26) 871. 



output, relation to fatigue, (30) 867. 

 dioxid, production — 



by autofermentation of yeast, (26) 867. 



during mental work, (29) 768. 



in soil, (31) 127; (38) 118. 



in soil, relation to ammonia accumulation, 

 (39) 516. 



of cultures, apparatus for determining, (38) 

 181. 

 dioxid— 



relation of growth to algae, (28) 821. 



respiration in plants, (28) 728. 



seed treatment, production of secondary 

 dormancy by, (39) 225. 



separation in sprouting seeds, (28) 728. 



tension in alveolar air, (34) 369. 



titration of small quantities, (33) 413. 



treatment of soils, (39) 38, 618, 620; (40) 739. 



use with organic manures, (32) 322. 

 effect on nitrification, (27) 322. 

 in clays and marls, (32) 121. 

 in cultivated and abandoned lands, (38) 622. 

 monoxid — 



analysis, apparatus for, (40) 111. 



detection, (29) 610. 



effect on catalytic hydrogenation, (38) 409. 



eflfect on sprouting of potatoes, (32) 829. 



in kelp, (36) 804. 

 nitrogen, and humus ratios in soils, (28) 217. 

 nutrition of plants, (31) 426. 

 of food protein, conversion into fat and carbo- 

 hydrates, (26) 158. 

 of urine, heat of combustion, (26) 161. 

 organic, determination in soils, (28) 708; (37) 505. 

 organic, direct assimilation by Ceratodon pur- 



pureus, (40) 325. 

 protein, utilization by the body, (26) 564. 

 tetrachlorid— 



as a substitute for carbon bisulphid in 

 fumigation, (26) 65. 



as delousing agent, (40) 651. 



fumigation, (29) 640. 



insecticidal value, (34) 253. 

 transformation in soils, (31) 818. 

 Carbonaceous food, effect on secretion of enzyms, 



(28) 727. 

 Carbonate and bicarbonate mixtures, titration, 

 (39) 714. 



Carbonates — 



alkali, determination, (26) 406. 



alkaline, determination in chlorinated solutions, 

 (39) 506. 



determination, (37) 616, 802. 



determination in — 



hypochlorite solutions, (40) 309. 

 soils, (30) 113, 808; (35) 415; (38) 313. 

 solution, (37) 804. 



determination of carbon dioxid in, (40) 113. 



effect on — 



nitrification in soils, (26) 817. 

 sacchariflcation of starch, (26) 309. 

 soil bacteria, (38) 818. 



mixture of, analysis, (40) 112. 



relation to growth of algae, (28) 821. 



role in soils, (30) 822. 



soluble, reaction with metallic salts, (31) 504. 



V. silicates as sources of lime and magnesia for 

 plants, (32) 622. 

 Carbonation — 



in bottles, stirrer for, (37) 716. 



studies, (39) 804. 

 Carbonic acid, combined, determination, (39) 205 

 Carbonized material in soils, (28) 418. 

 Carboxylase — 



in potatoes and sugar beets, (35) 634. 



notes, (30) 504. 

 Carbunculosis, hematic, diagnosis, (30) 180. 

 Carburation, treatise, (31) 785. 

 Carburetor — 



kerosene, description, (38) 492. 



performance, standards, (37) 188. 

 Carburetors — 



adaptation to low volatile fuels, (40) 191. 



for burning kerosene, (36) 288. 

 Carcelia — 



(Exorista) pyste, notes, (31) 752. 



gnava, biology, (39) 658. 

 Carcinoma — 



diagnosis, (26) 483; (30) 682; (31) 876. 



human, viability in animals, (27) 81. 



of the genitals, diagnosis, (31) 877. 



on the skull of a horse, (26) 483. 



serodiagnosis, (26) 83; (32) 179. 



transmission by bedbugs, (31) 550. 



treatment, (40) 767. 



ulcerating, spirochetes of, (26) 581. 

 Cardiac — 



disease, metabolism in, (35) 371. 



stimulants, tests, (36) 576. 

 Cardiophorus spp., notes, (30) 758. 

 Carex — 



frankii as a host of curlew bug, (27) 162. 



rusts affecting in North America, (29) 750. 



spp., digestibility, (32) 770. 

 Caribou — 



conservation, (37) 757. 



protection in Alaska, (36) 791. 

 Carica — 



papaya- 

 botany and culture, (33) 440. 

 origin, (30) 842. 

 sex in, (28) 639. 



quercifolia, host plant of fruit fly, (26) 758. 

 Carissa arduina — 



culture in Guam, (30) 41. 



host plant of fruit fly, (26) 758. 

 Carnation — 



bud rot, notes, (28) 854. 



disease, notes, (32) 549. 



foot rot, notes, (27) 752. 



leaf spot in Italy, (37) 155. 



mildew, notes, (36) 547. 



plant bearing flowers of two colors, (36) 837. 



rust, notes, (37) 453. 



soils, temperature and moisture studies, (32) 

 535. 



stem rot, notes, (30) 247. 



stem rot, studies, (28) 851; (33) 350. 



stem rot, treatment, (27) 752. 



white tip, notes, (36) 47. 



wilt, notes, (34) 242. 



wilt or crown rot, cause and treatment, (38) 51 . 



yellows, studies, (38) 51. 

 Carnations — 



and pinks, treatise, (27) 41. 



breeding, (28) 543. 



breeding experiments, (28) 438; (35) 240. 



