SUBJECT INDEX 



573 



Swine — Continued. 



plague — continued, 

 studies, (28) 682. 

 treatment. (26) 88, 587; (30) 586. 

 vaccines, tests, (31) 183. 



pox in young pigs, (32) 379. 



relation of breed and age to prolificacy, (40) 770. 



salt poison in, (40) 684. 



vaccination, after-effects, (39) 392. 

 Swiss chard — 



as forage crop, (28) 267; (31) 137. 



for dairy cows, (31) 771. 

 Sword beans — 



as cover crop, (31) 635. 



culture experiments, (27) 233, 841. 



culture in Porto Rico, (29) 631. 



description, (30) 828. 



notes, (2:s) 838. 

 Sycamore — 



blight, notes, (34) 56. 



coccus, notes, (30) 53. 



lace-bug, studies, (38) 359. 



maple, forcing experiments, (28) 435. 

 Sycamores, wood structure, (39) 50. 

 Sycophaga notan.sp., description, (30) 55. 

 Sycoryctes philippinensis n.sp., description, (30) 55. 

 Sylepta derogata, notes, (28) 654. 

 Sylepta sp., notes, (30) 752. 

 Sylvaniis, see Silvanus. 

 Sylvilagus nuttalli, host of spotted fever tick, (26) 



64. 

 Sylvin, effect on coherence of soils, (31) 123. 

 Symbiosis — 



and parasitism, differentiation, (28) 35. 



bacterial, in Rubiaceae, (32) 327. 



in autumnal leaves, (37) 327. 



review of literature, (28) 130. 

 Symbiotes— 



action on constituents of fat, (40) 464. 



and vitamins, similarity, (40) 363. 



as agents of ketonization, (40) 464. 

 Syml.iombycina, origin, (32) 850. 

 Symoothis oxyacanthella, hvmenopterous parasite 



of, (26) 658. 

 Sympha agromyzae n.sp., description, (30) 855. 

 Sympherta mnemonicae n.sp., description, (32) 852. 

 Symphoromyia attacking man, (34) 554. 

 Symphytum— 



asperrimum, culture and composition, (32) 631. 



officinale, cell proliferant of, (26) 580. 

 Sympiesis— 



agromyzae n.sp., description, (31) 355. 



ancylae n.sp., description, (38) 661. 



felti n.sp., description, (20) 353. 



n.spp., descriptions, (30) 661. 



sericeicornis, studies, (28) 560. 



stigmatipennis, notes, (36) 655. 

 Sympiesomorphelleus bicoloriceps n.sp., descrip- 

 tion, (36) 259. 

 Symptomatic anthrax, see Blackleg. 

 Symydobius— 



albasiphus n.sp., description, (31) 754. 



americanus n.sp., description, (40) 262. 

 Synaldis incisa n.sp., description, (27) 60. 

 Synanthedon— Sfe also Aegeria and Sesia. 



pictipes, hfe history, (32) 349. 



pictipes, notes, (.36) 549. 



pictipes, studies, (37) 1.59. 



(Sesia) geliformis, notes, (.38) 762. 

 Syncarpia laurifolia, strength and elasticity tests, 



(27) 43. 

 Synchytrium— 



endobioticum^ 



host plants, (37) 753. 



notes, (28) 243; (.30) 845; (31) 149; (32) 342; 



(33) 846, 849, 850; (-10) 847. 

 studies, (27) 351; (34) 844. 



solani, notes, (30) 47. 



spp., studies, (28) 844. 



transfer of Chrysophlyctis to, (26) 547. 

 Syneta albida, notes, (32) 651; (35) 364; (36) 58. 

 Syngamus — 



bronchialis, notes, (39) 892. 



laryngeus from cattle in Philippines, (33) 284. 

 Synoptic charts, daily, of the northern Hemisphere, 



(31) 213. 

 Synovitis of coronary joint, treatment, (30) 185. 

 Synoxylon basilare — 



on pecan, (39) 557. 



studies, (31) 852. 



Syntexis lihocedrii n.g. and n.sp., description, (34) 

 364. 



Synthctocaulus spp., notes, (30) 285. 



Syntomaspis— 



amelanchieris n.sp., description, (40) 656. 

 druparum, see Apple seed chalcid. 

 myrtacearum n.sp., description, (37) 59. 



Syphaerophoria cylindrica, notes, (28) 254. 



Syphilis- 

 diagnosis, (35) 180. 

 in rabbits, treatment, (31) 284. 

 role of specific fats in complement fixation, 

 (39) 80. 



Syphilitic serum, toxicity toward guinea pigs, (35) 



Syritta pipiens, notes, (.36) 460. 

 Syrphid— 



fly, breeding and colonizing, (31) 756. 



fly, economic importance, (40) 356. 



larvae, myiasis due to, (39) 287. 

 Syrphidae — 



defertilization of flowers by, (39) 734. 



early spring, in California, (38) 863. 



in California, (36) 50. 



life histories, (26) 349; (2S) 254. 



notes, (30) 255, 553. 



of District of Columbia, (37) 57. 



of Maine, (36) 460; (38) 302. 



of Ohio, (30) 552. 

 Syrphophagus mesograptae, notes, (31) 758. 

 Syrphus— 



americanus, destructive to citrus plant lice, 

 (26) 755. 



americanus, life history, (28) 254. 



fly, corn-feeding, life history, (34) 358. 



fly, predacious on froghopper nymphs, (30) 457. 



knabi, life history, (38) 362. 



oronoensis n.sp., life history, (38) 362. 



spp. parasitic on rose aphis, (31) 250. 



xanthostoma, life history, (29) 456. 

 Syssphingina, origin, (32) 850. 

 Systates irregularis, notes, (29) 853. 

 Systellogaster ovivora n.g. and n.sp., description, 



(38) 165. 

 Systena — 



basalis, notes, (37) 256. 



spp., notes, (29) 761. 



taeniata, notes, (35) 54. 

 Tabanidae — 



greenish blood of, (29) 54. 



larvae, rearing, (38) 60. 



of Australia and Tasmania, (26) 456. 

 British Columbia, (32) 551. 

 District of Columbia, (40) 757. 

 Saskatchewan, (39) 661. 



oriental species, revision, (27) 359. 

 Tabanus— see also Gadfly. 



americanus, notes, (40) 263. 



collecting larvae, (40) 757. 



ignotus injurious to rice, (33) 555. 



mexicanus, notes, (36) 553. 



parasitic flagellates of, (26) 84. 



relation to swamp fever, (39j 162. 



spp. as anthrax carriers, (39) 101. 



striatus, biology, (30) 253. 



striatus, relation to anthrax, (30) 780; (31) 776. 



striatus, relation to surra, (30) 253; (31) 777. 

 Tabebuia spectabilis, notes, (40) 44. 

 Table d'hote meals, economy, (39) 67. 

 Table furnishings, origin and development, (31) 856. 

 Tabosa grass — 



digestibility, (31) 863. 



hay, mineral constituents, digestibility, (40) 

 769. 

 Tachardia lacca — 



culture in India, (28) 654. 



notes, (26) 248. 



studies, (35) 463, 659. 

 Tachina — 



robusta, notes, (31) 752. 



spp., parasitic iu arthropods, (39) 658, 659. 



spp., parasitic on gipsy moth, (31) 652. 

 Tachinid — 



flies, studies, (26) 860. 



parasite with intracuticular stage, (33) io7. 



species, nonintentional dispersal by man, (35) 

 259. 

 Tachinidae— 



Canadian hosts, (29) 358. 



new, from North America, (36) 255. 



