408 



EXPEEIMENT STATION RECORD 



Ornithodoros— Comiuued. 



saviguyi, relation to recurrent fever, (29) 479. 



talaje in Minnesota, (38) 566. 

 Ornithological collector's handbook, (35) 355. 

 Ornithology- 

 British, bibliography, (36) 251; (39) 555. 



Hungarian, bibliography, (31) 57. 



in South Africa, (20) 552. 

 Ornithopus— 



ash constituents of, (30) 334. 



spp., hydrocyanic acid in, (34) 525. 

 Ornix geminatella — 



notes, (29) 655. 



studies, (35) 359. 

 Orobanche— 



crenata seeds, germination after passage through 

 digestive tract, (31) 034. 



cumana, notes, (29) 851. 



cumana on sunflowers, (31) 153. 



minor, eradication, (31) 532; (37) 239. 



minor on Pelargonium zonale, (32) 822. 



minor, studies, (33) 51. 



on beans, (39) 52. 



parasitic on beans, treatment, (28) 846. 



(Philipaea) ramosa on hemp, (39) 147. 



rubens, notes, (28) 52. 



sp., notes, (40) 48. 



spp. in India, (38) 547; (39) 146. 



spp. on tobacco, (36) 449; (38) 452. 

 Orokinase — 



definition, (37) 681. 



in horse saliva, (40) 778. 

 Orosiotes n.g. and n.sp., description, (38) 857. 

 Oroya fever, studies, (37) 356, 377. 

 Orris root, production, (28) 743. 

 Orsodacna atra, notes, (32) 754. 

 Orsodacninae, catalogue, (30) 458. 

 Ortalid, new, from Philippines, (38) 767. 

 Ortalidae, trapping, (40) 169. 

 Ortbezia — 



ambrosiae n.sp., description, (39) 255. 



artemisiae, notes, (26) 149. 



urticae, life history and habits, (28) 452. 

 Orthizema atriceps, notes, (31) 757. 

 Ortho-arsenite of zinc^ 



as an insecticide, (28) 59. 



notes, (26) 856. 

 Orthoclase — 



as source of potash, (26) 426; (27) 323; (30) 216; 

 (36) 728. 



decomposition by bacteria, (29) 316. 



decomposition by soil bacteria and yeast, (31) 

 121. 



fertilizing value, (28) 33; (39) 728. 



potash, solubility, (34) 328. 

 ' Orthoptera— 



in vicinity of La Fayette, Indiana, (36) 252. 



inheritance and evolution in, (31) 58, 272; (40) 

 367. 



of Connecticut, (26) 147. 

 Michigan, key, (39) 863. 

 Minnesota, (28) 653. 

 Nova Scotia, (40) 856. 

 Peru, (40) 353. 



Plummers Island, Maryland, (40) 649. 

 southern Italian Somali, (38) 460. 

 Virginia, (37) 461. 



Yale-Dominican expedition, (34) 854. 

 ' Orthopteroid insects of Philippines, (36) 355. 

 Orthorrapha, mouth parts and sucking apparatus 



of, (29) 760. 

 Orthorrhinus kluggi, injurious to roses, (29) 658. 

 Orthosia litura, notes, (27) 552. 

 Orthotomicus n.spp., descriptions, (35) 856. 

 "Orthotylus— 



flavosparsus, relation to fire blight, (33) 744. 



marginalis, notes, (32) 849. 



marginalis on apple, (40) 60. 



of North America, monograph, (36) 253. 

 Ortstein— 



formation, (30) 216, 719; (36) 813. 



formation and composition, (27) 619. 



in North Sea marshes, (30) 514. 



notes, (27) 416. 

 Orwood— 



effect on germination of seeds, (28) 536. 



fungicidal value, (28) .544. 

 Oryctes— 



raonoceros, notes, (37) 54. 



nasicornis, investigations, (3S) 163. 



rhinoceros — see aho Coconut beetle. 



Oryctes — Continued. 



rhinoceros^ontinued. 

 life history, (26) 654. 

 notes, (27) 858; (31) 58; (33) 154. 

 remedies, (30) 357. 

 studies, (28) 561; (30) 459; (39) 663. 

 spp., notes, (29) 858. 

 tarandus, control by parasites, (39) 869. 

 Oryssoidea, studies, (30) 59. 

 Oryssus— 



immature stages, notes, (40) 265. 

 parasitic on Buprestis, (40) 656. 

 Oryza— 



barthii, studies, (26) 438. 

 manilensis, description, (36) 531. 

 n.spp., descriptions, (33) 429. 

 sativa, analyses and digestibility, (28) 464. 

 sativa, germination, (30) 437. 

 Oryzanin, a constituent of rice bran, (28) 168. 

 Oryzomys — 



n.spp., descriptions, (34) 850. 

 revision, (39) 860. 

 Osage orange — 



as dyestuff, (32) 613. 

 for dairy cows, (36) 374; (38) 680. 

 rubber, notes, (29) 546. 

 waste as dyestuff, (35) 114. 

 Osazone method of detecting plant tissue sugars, 



(39) 27. 

 Oscillaria prolifica, composition, (36) 201. 

 Oscinella frit, control in Kief, (38) 257. 

 Oscinis— 



frit, see Frit fly. 

 n.spp., descriptions, (40) 263. 

 spp., notes, (27) 560. 

 Osiers — 



culture, (31) 49, 839. 

 culture, manual, (30) 347. 

 insects affecting, (28) 654; (29) 853. 

 Osmia— 



felti, notes, (33) 2.53. 

 nesting habits, (40) 655. 

 spp., bionomics, (35) 468. 

 Osmosis— 



in soU solution, role in wheat culture, (37) 128. 

 in soils, (26) 217; (29) 124; (30) 23; (31) 720. 

 relation to metabolism, (28) 667. 

 review of literature, (35) 432. 

 Osmotic — 



cell, artificial, new type, (38) 125. 

 effects in plants, origin, (26) 531. 

 equilibration in the living body, (28) 262. 

 membranes, significance in heredity, (28) 667. 

 pressure — see also Sap concentration. 



as an environmental factor in plants, (29) 



627. 

 determination, (29) 731. 

 importance in relation to biologic sciences, 



(30) 801. 

 in alpine plants, (39) 223. 



animals and plants, (38) 821. 

 desert plants, (33) 628. 

 leaves, induced variations in, (29) 134. 

 leaves, studies, (27) 631. 

 mangroves, (30) 30. 

 marine algae, (39) 223. 

 plant organs, (30) 523. 

 plants, (29) 1.33, 134, 828; (35) 25, 26, 822. 

 potatoes, (30) 228. 



roots and leaves, relation to water supply, 

 (37) 525. 

 monograph, (30) 310. 

 of casein, measurement, (26) 307. 

 epiphytes and parasites, (32) 221. 

 Jamaican mountain plants, (38) 125. 

 sap and height of leaf insertion, (-38; 126. 

 sap, determination, (3S) 523. 

 relation to root hairs, (28) 814. 

 relation to stomata regulation, (33) 628. 

 table, (37) 630. 

 treatise, (40) 801. 

 Ossein, nutritive value and use, (32) 760. 

 Osteochondrosarcoma in chickens, (28) 288. 

 Osteomalacia — see also Lamziekto. 

 notes, (32) 374. 



summary and digest of data, (.36) 161. 

 Osteomyelitis in cattle and horses, (27) 478. 

 Osteoporosis in horses, (36) 780. 

 Ostertagia— 



bullosa, notes, (29) 555. 

 circumcincta, notes, (40) 8S. 



