628 



Index to Volume IX 



susceptibility of varieties to. 1921: 



609. 

 symptoms of. 1921: 606-607. 

 studies. 1918: 304-309; 1919:439-440; 

 1920: 470; 1921: 589;590, 606-609 

 suited to Arizona conditions. 1920: 



470. 

 "torching". 1920: 470; 1921: 589. 

 varieties. 85: 57; 1918: 304-307; 1919: 



339-340. 

 yield. 1918: 305-307; 1919: 440. 

 Davis, R. N. Cir. 27; 1920: 429, 432, 

 464-467; 1921: 552, 533, 580-582. 

 Deer browse (Cercocarpus) : 



as a browse plant. 1921: 577, 578. 

 Delphinium camporiim (prairie lark- 

 spur). 1920: 456. 

 D. scaposum (blue larkspur). 1920: 

 456. 

 Derr, Homer. 1920: 429. 

 Desert broom (Baccharis sarathroides) : 

 as a honey producing plant. 1921: 

 585-586. 

 Dewey reservoir site, the . 95: 533, 539. 

 Diamond Creek project. 95: 540. 

 Diamond Creek reservoir site. 95: 535, 



539. 

 Diatraea Uncola (lesser corn-stalk 

 borer). 1918: 287, 290, 339-340. 

 D. zeacolella (larger corn-stalk borer). 

 1919: 438. 

 Die-back: 



of apple trees. 1921: 612. 

 of orange trees. 1921: 613. 

 Diervillea florida. 1919: 431. 

 Diospyros ebenaster. 1920: 473. 



D. Kaki. 1920: 473. 

 Dipodomys merriami (Merriam Kanga- 

 roo Rat). 1919: 437. 

 D. spectabilis (Large Kangaroo Rat). 

 1919: 437; 1920: 468. 

 Distillate: 

 "cracking". 92: 400, 402. 

 freight rate on. 92: 400-401. 

 reduction of standard. 92: 398. 

 tests. 92: 405-412. 

 Division boxes: 



construction of. 86: 150-151. 

 subjected to high pressure. 86: 109. 

 Dodders: 



sale of seed forbidden. Cir. 40. 

 Dolichos lablab. 1920: 473. 

 Drought resistant plants: 

 hegari. Cir. 33. 

 olive. 94: 494. 

 Rhodes grass. Cir. 36. 

 rosemary. 1920: 462. 

 Sudan grass. Cir. 35. 



Durham, Dr. Lon. 1919: 430. 



Duryee-Cole cement pipe machine. 86: 

 90. 



Dynamiting: 



subsoiling by means of. 1918: 295; 

 1919: 419; 1920: 445; 1921: 570. 



Dysdercus albidiventris Stal. (South- 

 western cotton stainer). 87: 190- 

 192. 



E 



Early Baart wheat: 

 breeding. 1918: 314-317; 1919: 458- 



462; 1921: 602-603. 

 in Salt River Valley. 85: 18. 

 Egg plant. 1918: 310. 

 Blacagnus pungcns. 1919: 431. 

 Endive. 1918: 310. 

 Elephant grass: 



chemical composition of. 1919: 411. 

 Enger, A. L. 86: 75. 

 Engines: 

 Brons. 92: 404, 422; 1920: 477. 

 diesel. 92: 422; 1920: 477. 

 Hvid. 92: 404, 422. 

 semi-diesel. 92: 404, 422. 

 Ensilage: 



chemical composition of. 91: 363; 93: 



486. 

 corn. 93: 486; 1918: 294; 1919: 411, 



415-416. 

 darso. 1919: 411. 



feeding. 91: 359-396; 93: 485-491; 

 1918: 2,2,{)-i2,Z; 1919: 433-436; 

 1920: 450-451, 464-465. 

 feterita. 1919: 411. 

 prices. 91: 363; 93; 488. 

 sorghum. 91: 363; 1918: 293; 1919: 

 411, 416, 418. 

 Entomology: 

 experimental work in. 1918: 335-338: 

 1919: 437-438; 1920: 468; 1921: 

 583-586. 

 projects. 1918: 284-285; 1919: 400: 

 1920: 432; 1921: 553. 

 Eragrostis liigens. 1919: 430. 

 Eriobotrya japonica. 1920: 473. 

 Esiigtnene acraea Dru (salt marsh cater- 

 pillar). 87: 183-184. 

 Estil, li. W. 1919: 399; 1920: 429, 431. 

 Eucalyptus (Eucalyptus rudis): 

 as a windbreak. 89: 232-233. 

 Eupatonum arizonicum. 1919: 430. 

 Euschistiis impictiventris Stal. (brown 



cotton bug). 87: 192-194. 

 Evaporating plant for dairy products. 

 85: 16. 



