INDEX OF SUBJECTS. 



949 



Pago. 



Darnel as an adulterant of flour 710 



Dasychypha calycina, notes 345 



Dates, culture in California 33C 



loss of astringency during ripening 327 



Debab, transmission by blood-sucking in- 

 sects 150 



Deer, destruction by helminths 653 



host of spotted fever tick, Mont 64 



Deilephila elpenor, notes 250 



euphorbix, notes 656 



Delaware Station, guide to experiments 795 



notes 300 



Dematophora necatrix, notes 750 



Dendroctonus— 



brevicomis. (See Western pine beetle.) 

 engelmanni. {See Engelmann spruce 



beetle.) 

 frontalis. (See Pine beetle, southern.) 

 jeffreyi. (See Jeffrey pine beetle.) 

 monticolx. (See Mountain pine beetle.) 

 ponderosss. (See Black Kills beetle.) 

 pseudoUugx. (See Douglas fir beetle.) 

 valens. (See Red turpentine beetle.) 



DendroUmus pint, egg parasite of 557 



Dendrology, bibliography 240 



Denitrification in soils 721, 723 



Dental caries, cause 867 



tartar, formation 160 



Department of Agriculture. (See United 



States Department of Agriculture.) 

 Dermacentor — 



hunteri n.sp., description 864 



parumapertus marginatus, parasite of 863 



venustus — 



life history and host relations, Mont. 64 



studies and bibliography, U.S.D.A .. 254 

 Dermanyssus spp., dissemination by English 



sparrows 246 



Dennatitis, chronic, in horses, Cal 482 



necrotic, in pigs, Cal 482 



Dermatobia hominis, notes 781 



Dermestes spp., infesting cotton bales 5G0 



Dermestid;!?, catalogue 560 



Derostenus salutaris, parasitic on plum leaf- 

 miner, N.Y.Cornell 558 



Desert plants, root habits 728 



water balance 530 



Desmodium spp., notes 362 



Dew, eSect on composition of hay. La 235 



Dewberry double blossom, investigations, 



N.C 850 



Dextrin, history of 106 



Dextrose, feeding during inanition 405 



from cellulose in digestion 873 



heat of combustion 160 



Diabrotica virgifera, notes, Colo 654 



Diachasma crawfordi n.g. and n.sp., descrip- 

 tion 352 



Diamid, assimilation by plants 32 



Diamond-back moth, remedies, U.S.D.A 250 



Diapheromerafemorata. (See Walking-stick.) 

 Diaporthe paralitica— 



history and distribution in Massachusetts 551 



notes, Mass 56 



studies 345 



50596°— 12 5 



Page. 



Diarrhea in calves 331 



infants, transmission by house 



flies, Cal 61 



poultry, treatment, U.S.D.A 78 



red, in calves, studies 483 



Diaspidiotus tsugx n.sp., description 248 



Diaspis penlagona, notes 247, 452, 655 



piri, remedies 551 



Diastase as alTectcd by ultraviolet rays 203 



occurrence in honey 710 



Diastatic action in bread making 358 



Dialrxa saccharalis. (See Sugar cane borer.) 



Dibrachis boncheanus, notes 151 



Dicalcium phosphate as allected by cal(-ium 



carbonate 527 



Dichomeris marginellus, occurrence in New 



York 146 



Dicraneiira cockerelli, notes 452 



Dicrocaelium lanceatum, life history 286 



Dictyocaulus spp., destructive to deer 653 



Dicyanamid, determination in fertilizers 804 



Dicyandiamid, assimilation by plants 32 



Diet as aHected by environment 465 



effect on thyroid glands 159 



excessive, effects 262 



handbook 262 



in Germany 353 



Scandinavia and Russia 158 



Swedish prisons 157 



of Italian peasants 358 



Japanese 763 



rural population in Germany 157 



Trappist monks 868 



relation to diseases of nutrition 264 



pellagra 263 



(See also Food.) 



Dietary for poor families 762 



standards, discussion 562 



studies at Rhode Island State College 762 



Dietetics, handbook 658 



Digestibility of fat, relation to melting point. 159 



Digestion as affected by coloring substances . 68 



saccharin, U.S.D.A. 257 



experiments with sheep 769 



relation to protein metabolism 764 



Digilaria spp., notes 361 



Dimethylamin, assimilation by plants 32 



Dinaspis, new genus, description 247 



Dinophilus gyrociliatus, sex determination in. 773 



Dinotomus spp., notes '. ... 656 



Dioryctria abictdla, notes, Conn.State 856 



Diospyros, ripening processes of 310 



Dioxydiamidoarsenobenzol — 



detection 411 



for equine influenza 288 



Dipachyaligma cushmani n.sp., description. . . 63 



Diphtheria antitoxin, valuation 676 



human and avian, relationship. .. 177 



outbreak , of bovine origin 883 



Diplachne fusca, notes 461 



Diplocarpon rosse, notes 650 



Diplococcus spp. , organism resembling 376 



(Streptococcus) lanccolatus, notes. 586 



Diplodia sp. , injurious to rubber 451 



zex, notes 447 



