162 



EXPEKIMENT STATION RECORD 



CoUetotrlchum— Continued. 



falcatum, studies, (20) 548; (27) 48; (38) 851. 

 gloeosporioides — 



effect on citrus fruits, (34) 354. 

 notes, (28) 749; (29) 243; (31) 152; (34) 241, 

 446, 644, 750; (35) 153; (36) 851; (37) 453; 

 (40) 47. 

 relation to citrus gummosis, (29) 247. 

 studies, (30) 451. 



treatment, (33) 149; (37) 352; (38) 455. 

 variations, (38) 252. 



gossypii— 



notes, (29) 548; (33) 741; (37) 452. 



resistance of cotton to, (35) 348. 

 graminicolum n.n., studies, (31) 746. 

 hevoae, notes, (37) 253. 

 higginscanum n.sp., description, (37) 754. 

 incarnatum, notes, (34) 540; (35) 45. 

 infection of wlieat by, (26) 747. 

 lagenarium — 



notes, (32) 641. 



studies, (35) 652, 750; (36) 248; (40) 250. 

 lindemuthianum — 



as affected by temperature, (32) 749; (34) 

 538. 



notes, (26) 747; (29) 150; (31) 542; (34) 645; 

 (37) 550; (39) 249. 



resistance of beans to, (35) 348. 



resistance to, (40) 643. 



studies, (39) 455, 745. 



treatment, (32) 843; (37) 248. 

 luxificum, notes, (26) 851; (29) 155. 

 lycopersici on tomatoes, (34) 53. 

 n.sp. on clover, (33) 346. 

 n.sp. on milk weed, (33) 350. 

 n.sp. on potatoes, (33) 346. 

 n.sp. on Schinus molle, (34) 242. 

 n.spp., descriptions, (32) 842. 

 necator, description, (26) 448; (27) 445. 

 nigrum, notes, (34) 442; (38) 547. 

 nigrum on pepper, (31) 542. 

 oligochaetum, notes, (26) 244. 

 on sugar cane, (40) 844. 

 schi/.anthi n.sp., description, (26) 56. 

 solanicolum on eggplant, (38) 250. 

 sp. on coffee, (36) 846. 

 sp. on Licuala grandis, (36) 348. 

 sp. on snapdragon, (34) 841. 

 spp. as affected by temperature, (34) 542. 

 spp., notes, (26) .549, 649; (27) 250; (28) 444. 

 spp. on coffee, (38) 51. 

 spinaciae, studies, (32) 147. 

 theobromicolum, notes, (29) 548. 



trifolii — 



description and treatment, (39) 754. 

 notes, (28) 52. 

 perfect stage, (28) 746. 

 resistance to, (39) 454. 

 Collodion — 



dialy/ing membranes, preparation, (38) 710. 

 germicidal effect, (38) 752. 

 membranes for ultrafiltration and pressure di- 

 alysis, (35) 612. 

 Colloid chemistry- 

 application to agriculture, (29) 408. 

 handbook, (40) 408. 



in soils, geology, and mineralogy, (30) 513. 

 of Fehling's sugar test, (39) 14. 

 review of literature, (26) 307. 

 Colloidal- 

 gels, water absorption and evaporation, (40) 27. 

 hypothesis of permeability, (40) 818. 

 metals, therapeutic value, (38) 585. 

 mixtures — 



for studying protoplasmic action, (37) 325, 



821. 

 imbibition in, (40) 29. 



showing water relations of plants, construc- 

 tion, (40) 28. 

 swelling, (3.5) 822; (39) 731, 

 swelling, effect of bog and swamp waters 

 on, (40) 520. 

 phenomena in pollen-tube protoplasm, (40) 28, 



818. 

 properties of plant mucilage, (40) 818. 

 solutions, monograph, (37) 501. 

 solutions, treatise, (36) 108. 

 substances in soil solution, (28) 516. 



Colloids — sec also Biocolloids. 



as protective substances for bacteria, (31) 24. 

 chemistry of, (SS'* 309, 501, 708. 

 determination in clay and soils, (30) 807. 

 effect on electrical conductivity of salts, (37) .520. 

 effect on nitrogen fixation, (30) 431. 

 handbook, (34) 801. 

 in immunity, (32) 78. 

 in soils, (26) S19; (30) 718; (32) 311, 318, 813; (33> 



118, 215, 513; (35) 512. 

 in soiis — 



adsorptive power, (32) 318. 

 as affected by soluble salts, (35) 622. 

 importance, (29) 817; (34) 816. 

 properties, (31) 514. 

 studies, (35) 319, 813. 

 treatise, (34) 515. 

 in water and sewage purification, (31) 616. 

 metallic, bactericidal properties, (32) 272. 

 movement through cell membranes, (28) 37. 

 movement through plasma membrane, (30) 28. 

 of clay, notes, (34) 816. 

 of humus, (33) 609. 



physics and chemistry, (29) 608; (35) 501. 

 plant, studies, (30) 111. 



precipitation by aluminum hydroxid, (30) 504. 

 relation to soil fertility, (28) 814. 

 significance in physiology, (38) 820. 

 soluble, determination in soils, (31) 801. 

 studies, (29) 201. 



treatise, (27) 881; (32) 308; (33) 801. 

 Col! ops — 



bipunctatus, notes, (27) 561. 

 vittatus, predacious on alfalfa caterpillar, (32) 58. 

 Collybia — 



albuminosa, growth on Odontotermes, (38) 849. 

 velutipes, use as food and identification, (39) 

 571. 

 Collyria calcitrator, development, (34) 303. 

 CoUyriclum sp. in sparrows, (39) 760. ■ 

 Colobogaster quadridentata, notes, (30) 454. 

 Colocasia— 



blight, notes, (31) 52, 641. 

 spp., analyses and culture, (31) 41. 

 storage rots, (35) 750. 

 Colocasieae, varieties, (35) 134. 

 Colon-aerogenes organisms, culture medium for- 



enumeration, (40) 381. 

 Colon — 

 bacilli — 



from horse, cow, and man, (36) 379. 

 human and equine, (35) 681. 

 survival after pasteurization, (32) 775. 

 typhoid intermediates in bird diseases, (40) 685. 

 Colonial science school in Germany, (27) 395. 

 Colonization — 



Association of Republic of China, (28) 498. 

 in the Punjab, (40) 595. 

 Colopha ulmicola, notes, (27) 658. 

 Colophony, methods of analysis, (27) 210. 

 Color — see also Pigmentation. 



aleurone, inheritance in maize, (40) 436. 



analysis, reagents used in, (36) 714. 



characters, Mendelian, biochemistry, (30) 129. 



constituents in higher plants and algae, (35) 333. 



development in mammals and birds, (32) 766. 



eflect on radiation from soils, (29) 619. 



in animals, chemistry of, (33) 667. 



in plants, studies, (33) 224. 



in relation to chemical constitution, (40) 505. 



inheritance, (40) 665. 



inheritance in — 



animals, (38) 269, 574, 776. 



barley, (40) 825, 826. 



beans, (40) 536. 



cattle, (26) 366; (27) 771; (30) 469; (31) 266, 



470; (40) 73, 367. 

 Convolvulus, (40) 541. 

 corn, (28) 331. 

 field peas, (31) 333. 

 guinea pigs, (26) 878; (27) 573; (30) 265, 266; 



(34) 464; (39) 877. 

 horses, (27) 370, 467, 876; (30) 70, 373, 57U 



(31) 206, 870; (32) 361; (33) 471. 

 jute, (27) 428. 



mammals, (37) 866; (40) 869. 

 mice, (26) 472; (27) 769; (30) 264; (40) 275. 

 oats, (40) 239. 



Phlox drummondii, (33) 644. 

 pigeons, (31) 572; (40) 275. 



