SUBJECJT nn>Ex 



289 



Heat— Continued, 



effect on— continued. 



specificity of precipitins, (26) 482. 

 starcii grains, (29) 409. 

 trees, (31) 34s; (32) 144. 

 woody plants, (31) 343. 

 evolution by wounded plants, (27) 830. 

 from the stars, (32) 810. 

 insecticidal value, (2S) 157; (34) 253. 

 leaf injury or loss due to, (35) 243. 

 liberation in plant respiration, (27) 28. 

 production— 



and body surface, relation, (36) 64. 



by leaves, (28) 630. 



in physiological, bacteriological, or ferment 



actions, (2fi) 872. 

 of the body, (32) 664; (40) 808. 

 radiation, nocturnal, (32) 419. 

 regulation as affected by sugar injections, (32) 



859. 

 regulation in man, (30) 264. 

 relation to summer diarrhea of infants, (34) 462. 

 solar, seasonal variations in, (34) 415. 

 transmission through building materials, (31) 



688; (38) 87, 492. 

 use against— 



bee diseases, (31) 255. 

 insects, (34) 50, 653. 

 mill insects, (30) 155. 

 Heath- 

 deformation on the seashore, (32) 82.t. 

 grass, purple, ecology of, (33) 527. 

 hens on Marthas Vineyard, (30) 248. 

 reclamation in Netherlands, (31) 691. 

 Heather, burning for grouse and sheep, (40) 667. 

 Heating— 



and ventilation, treatise, (29) 390. 



by electricity, (30) 862; (32) 65; (33) 67, 461; (37) 



387. 

 modern practice in, (30) 893; (31) 387. 

 of buildings, address on, (28) 213. 

 paper on, (31) 189. 



system, domestic, wet coal for, (38) 87. 

 system, hot water, forcing circulation in, (31) 



292. 

 system, hot water, piping for, (30) 893. 

 systems for farm houses, (36) 491, 590; (38) 492. 

 Hecalus lineatus, notes, (27) 859. 

 Hectopsylla psittaci, notes, (28) 753. 

 Hedemarken Experiment Station, report, (30) 134. 

 Hedera— 



formation of anthocyanin in, (30) 432. 

 helix, intumescences in, (26) 545. 

 Hedge — 



clippings as source of potash, (37) 817 

 plants, tests, (37) 241. 

 Hedgehog- 

 male generative cycle in, (27) 770. 

 morphology of blood, (28) 777. 



artificial, tests, (30) 134. 

 culture, (32) 839. 

 planting, (33) 291, 442. 

 Hedrobracon hebetor, notes (27) 564. 

 Hedychium coronarium in Brazil, (39) 638. 

 Hedylus spp., parasitic on fruit flies, (31) 456. 

 Hedysarum— 

 coronarium — 



as a forage crop, (32) 41. 

 culture experiments, (30) 228, 632. 

 insects affecting, (26) 147. 

 nitrates in, (36) 329. 

 tests, (26) 133. 

 humile, analyses, (33) 466. 

 Heeria mucronata, analyses and digestibility, (27) 



871; (32) 167. 

 Hegari — 



culture experiments, (39) 434; (40) 433. 

 dwarf, culture in eastern Oregon, (38) 432. 

 Heifers — 



age for breeding, (31) 371. 



as affected by plane of nutrition, (35) 868. 



breeding, development, (40) 369. 



care and management, (34) 471. 



conformation in relation to future production, 



(39) 782. 

 cost of raising, (33) 765; (34) 470; (36) 76, 872; 

 (38) 176; (39) 782. 



52831— 26t 19 



Heifers— Continued. 



dairy, wintering, (39) 783. 



effect of early calving, (40) 877. 



factors affecting development, (31) 371; (33) 27i; 

 (35)871; (38) 682; (40) 877. 



feeding experiments, (27) 871; (28) 284, 873; (32) 

 863; (36) 873. 



French Canadian, cost of raising, (40) 775* 



open shed, v. stable for, (38) 680. 



pasturing experiments, (40) 471. 



raising, (36) 572. 



selection for milk production, (38) 74. 



virgin, lactation in, (28) 372. 



winter feeding, (39) 482. 



winter rations for, (38) 681. 

 Heilipus— 



bonelli, notes, (30) 454. 



lauri, notes, (28) 357; (39) 264. 

 Helenium tenuifolium, toxicity, (38) 883; (40) 778» 

 Heleniums, varieties at Wislcy, (33) 538. 

 Helianthi, yields, (30) 134. 

 Helianthus — 



annuus, forms of, (30) 140. 



annuus, water relations, (40) 427. 



culture experiments, (29) 331. 



inheritance studies, (40) 131. 



spp., betains in, (27) 203. 



strumosus, culture experiments, (30) 632. 



tuberosus, varieties, (40) 827. 



tubers as a source of alcohol, (27) 616. 



varieties at Wisley, (33) 536. 

 Helicella itala, insect enemy, (39) 766. 

 Helicobasidium monipa, notes, (28) 241. 

 Helicobia helicis, notes, (33) 749. 

 Helicomyces sphaeropsidis, notes, (36) 251. 

 Helicosporium nymphaearum n.sp., description, 



(36) 752. 

 Helinus ovatus, analyses and digestibility, (27) 871; 



(32) 167. 

 Heliophila — 



albilinoa, see Army worm, wheat-head. 



diffusa, notes, (26) 59. 



spp. in southern Texas, (34) 453. 



unipuncta, see Army worm. 

 Heliothis obsoleta, see Cotton boUworm. 

 Heliothrips — 



fasciatus— 



control, (39) 256. 

 internal parasite of, (26) 858. 

 on olive, (38) 157. 

 studies, (2S) 249. 



femoralis, studies, (36) 153. 



haemorrhoidalis, see Greenhouse thrips. 



n.sp., description, (37) 258. 



phaseoli n.sp., description, ('27) 757. 



rubrocinetus, notes, (27) 857; (28) 250 (35) 254, 

 357; (37) 357,461; (40) 856. 



rubrocinetus, studies, (28) 353. 



sp., affecting tea, (34) 652. 



spp., in Trinidad, (40) 649. 

 Heliotropism— 



as affected by salts, (34) 333. 



in animals and plants, identity, (33) 129. 



negative, in Puccinia rhamni, (33) 330. 

 Helix humboldtiana, notes, (37) 755. 

 Hellebore- 

 analyses, (27) 441. 



false, stock poisoning by, (39) 787. 

 Hellula undalis, see Cabbage webworm. 

 Helminthiiisis, nodular, in cattle, studies, (28) 181» 

 Helminthology, notes, (33) 152. 

 Helminthosporium — 



acrothecioides n.sp., description, (40) 155. 



curvulum n.sp., notes, (37) 148. 



echinulatum, notes, (35) 154. 



gramineum — 



notes, (28) 150; (29) 243; (32) 544; (33) 146. 

 studies, (30) 846. 



treatment, (29) 845; (32) 145, 341; (35) 47; 

 (36) 247; (37) 247. 



infection of wheat by, (26) 747. 



mayaguezense n.sp. on Paspalum, (39) 248. 



n.spp., descriptions, (27) 848. 



oryzae, notes, (28) 647. 



sacchari — 



n.sp., description, (30) 650. 

 notes, (34) 49; (40) 157. 

 studies, (38) 851. 



