Arizona Agricultural Experiment Station 



633 



Hydro-electric power: 

 at the Horse Mesa Dam. 95: 546. 

 from the Colorado River. 95: 537-538, 



542. 

 possible sources of in Arizona. 92: 

 422. 

 Hylemyia cilicrura Rdi (seed-corn mag- 

 got). 1921: 583-584. 

 Hypertrophy of pepper tree. 1921: 614. 



Ice box, for milk. Cir. 38. 

 Imperial Refining Company: 



tests of fuel oil from. 92: 412, 416- 

 417. 

 Imperial Valley. 95: 530, 536. 

 Inonotiis sp.: 

 causing hypertrophy and timber rot of 

 pepper tree. 1921: 614. 

 INSECT PESTS OF INTEREST TO 

 ARIZONA COTTON GROW- 

 ERS. 87: 172-205. (See also 

 Cotton, pests of.) 

 Ipomoea Learn. 1919: 431. 



/. mexicana. 1919: 431. 

 Irrigable lands of the Colorado River 



Basin. 95: 529-530. 

 Irrigation: 



affected by soils. 88: 216, 220. 

 affecting the water table. 88: 216. 

 by flooding. 1920: 476. 

 code, need of. 1918: 351-352. 

 cost of, on the Yuma Mesa. 89: 262. 

 development of, in Casa Grande Val- 

 ley. 1920: 476-477. 

 ditches: 

 cement pipe. 86: 73-75. 

 concrete lined. 88: 211-212. 

 open. 85: 74-75. 

 Engineering: 

 investigations. 1918: 351-358; 1919: 

 447-455; 1920: 475-479; 1921: 

 597-600. 

 projects. 1918: 282; 1919: 401; 

 1920: 433; 1921: 554. 

 from waters of Roosevelt Dam. 85: 



5, 6, 8. 

 in Colorado River Basin. 95: 529- 



546. 

 laying out fields for. 88: 220. 

 losses of water in. 86: 73-74; 88: 



210-221. 

 methods in Casa Grande Valley. 1921: 



600. 

 of alfalfa. 88: 210, 220; 1921: 600. 

 of cotton. 88: 210; 90: 270. 

 of milo maize. 88: 210. 

 of olive trees. 94: 505, 508. 



of Rhodes grass. Cir. 36. 



of Sudan grass. Cir. 35. 



of wheat. 1921:601-603. 



pump. 1918: 352-354. 



systems. 86: 72>; 88: 223; 1918: 354- 



356. 

 waters in Salt River Valley. 1920: 



437-439. 

 WATER. USE AND WASTE Ot. 



88: 207-224. 



Japanese Kudzu vine (Pucraria hirsula). 



1918: 300-301. 

 Jasminum humilc (vellow jasmine). 

 1920: 461. 

 /. prinntlinum. 1920: 461-462. 

 Jensen, C. A. 89: 244. 

 "Jimmy weed" (Bigelowia heterophylla): 



poisoning range stock. 1920: 458. 

 Johnson grass: 



causing prussic acid poisoning. 1921: 



561. 

 sale of seed forbidden. Cir. 40 

 Johnson, S. B. 1918: 281, 282. 

 Joyce, Alice V. 1921: 552. 

 Jubaea atlantica. 1920: 473. 



/. chinensis. 1920: 473. 

 Juglans major (native Arizona walnut). 

 1920: 471; 1921: 591-592 

 /. regia. 1920: 471. 

 Jujube, common (Zisyphus sativa) : 

 suited to Arizona conditions. 1919: 

 441; 1920: 462, 473; 1921: 595. 

 Juncaceae or Bog-rush family of plants. 



1919: 431-432. 

 "June Drop". 1920: 470. 

 Juniper Mountain reservoir site. 95: 



533, 539. 

 Jtiniperus phocnicaea. 1919: 431. 

 /. sabina. 1919: 431. 



Kafir: 

 cultural studies. 1918: 287, 291, 293, 



294, 295;1919: 416; 1920: 443. 

 seed testing Cir 40. 

 Kale. 1918: 293, 310. 

 Kangaroo rat. 1918: 339. 



Large(Dipodomys spectabilis). 1919: 



437; 1920: 468. 

 Merriam (D. Merriami). 1919: 437. 

 Kellar-Thomason cement pipe machine. 



86: 88-90. 

 Kellogg Oil Company: 

 tests of fuel oil from. 92: 410. 



