1917] 



INDEX OF SUBJECTS. 



925 



AnoplocephaJaperfcliata, notes 183 



Anoplura n. spp., descriptions 552 



Anoplura of North American mammals 253 



Antennulariella fulginosa n.g. and n.sp., de- 

 scription 245 



Anthocyanin markings and cell mutation. . . 222 



Anthocyanins, constitution 127 



ArUhonomus signatv^. {See Strawberry wee- 

 vil.) 



A rUhothrips verbasci, parthenogenesis in 252 



Anthrax— 



controlin England 275 



diagnosis 676 



immunization 675 



in Great Britain 378 



in man, studies 277 



notes 678 



notes, U.S.D.A 779 



serum, immunity studies, U.S.D.A 577 



serum, preparation 779 



spores, disinfection in tannin eflBuent 180 



symptomatic. {See Blackleg.) 

 Antibodies — 



nonspecific, passive transference 878 



of spores 380 



studies 80, 576 



A nticarsia gemmatilis, life history 459 



Anticyclones in United States, U.S.D.A 718 



Antigen and antiserum, simultaneous in- 

 jections 677 



Antigenic action of separated horse serum 



proteins 877 



Antiglanders serum, preparation 679 



Antineuritic subst ances, isomerism in 314 



Antipyrin, periodids of 313 



Antiseptics, action on pus and pure cultures . 479 



Antitoxins, concentration, 178, 179 



Ants- 

 Argentine, control in California 60 



control in dwellings 555 



white. {See Termites.) 



Apamea basilinea, notes 552 



Apanteles — 



canarwa?, notes, U.S.D.A 155 



sp., notes, U.S.D.A 655 



Apatefrancisca, notes, F.R 355 



Apheleachus olemtus, description, Conn. 



State 52 



Aphididae- 



leaf feeding, on pines 459 



on apples in Great Britain 253 



Aphiochseta xantina, notes 754 



Aphig — 



opena, breeding experiments 253 



avenx, notes, U.S. DA 458 



gossypii. {See Melon aphis.) 



malifoUse, studies, U.S.D.A 357 



pomi-mali. {See Apple aphis.) 



pommella n. sp., description 253 



sorW, notes, U.S.D.A 357 



Aphis- 

 eggs, destruction with hydrocyanic acid 



gas 551 



green, notes, Alaska 457 



woolly, studies. Me 755 



AphTophoTaparaMela,Ute history, Me 458 



Page. 



A phthomonas infestans, description 278 



Aphthous fever. {See Foot-and-mouth dis- 

 ease.) 



Aphycoideus io, notes 556 



Apis rMllifera. {See Bees.) 



Aplanobacter agropyri n.sp., description 647 



Apple — 



aphids in Great Britain 253 



aphids, notes, N.J 854 



aphis, banded, remedies, Wis 857 



aphis, remedies, N.J 855 



aphis, rosy, studies, U.S.D.A 356 



bitter pit, relation to irrigation 50 



black root rot, description 147 



black rot, studies 750 



black rot, studies, U.S.D.A 148 



blister spot, notes 148 



bug, green, studies 457 



canker, notes 541 



caterpUlar, yellow-necked, notes, Ohio.. . 358 



diseases in Tasmania 846 



flower wilt and young fruit rot 148 



industry in United States, U.S.D.A 536 



juice, fermentation 801 



leaf rollers, notes 457,855 



leaf-sewer, studies, U.S.D.A 254 



maggot, notes 856 



mildew, notes 541 



orchards, cost of establishing 444 



orchards, mulching, Ohio 396 



powdery mildew, treatment 350 



red bugs, food plants 356 



red bugs, notes 856 



root rot in Virginia 351, 649 



rosette, notes 351 



rot fungi, temperature relations, U.S.D.A. 649 



rot, notes, Conn. State 47 



rots, temperature relations 147 



scab, notes 347, 647 



scab, resistance to 649 



scab, treatment 50, 351 



scald, studies 148 



seed chalcid, studies, U.S.D.A 461 



spot disease, description 750 



tree tent caterpillar, egg par? sites 656 



tree trunks, introduction of solutions 



into 740 



trees, ringing, W.Va 536 



wood-stainer, notes, U.S.D.A 258 



Apples- 

 advertising 494 



alternate cropping 140, 640 



as a soiu-ce of alcohol 508 



breeding, Md 444 



breeding experiments 741 



bud development as affected by summer 



pruning, Oreg 239 



cost of production, U.S.D.A 443, 841 



crab. {See Crab apples.) 



crossing experiments 742 



crossing experiments, Alaska 442 



culttu-e experiments 240 



culture experiments, Alaska '443 



culture experiments, Mont 237 



culture in Canada, Can 742 



cultiu-e in Massachusetts 742 



districts and varieties, U.S.D.A 536 



