488 



EXPERIMENT STATION RECOED 



Rhizoctonia — Coatinued. 

 strains of, (37) 753. 

 violacea — 



asparagi, treatment, (38) 648. 

 description and treatment, (28) 847. 

 notes, (26) 446; (28) 52; (29) 50, 243, 550; (30) 



649; (32) 642; (35) 846; (38) 849. 

 studies, (39) 53. 

 treatment, (26) 648. 

 Rhizoecus falcifer, notes, (26) 655; (28) 550. 

 Rhizoglyphus— 



eehinopus as orchid pest, (29) 659. 

 echinopus, notes, (30) 449. 

 hyacinthi, notes, (35) 54. 

 sp., notes, (27) 457. 

 Rhizomes, hemicellulose in, (30) 130. 

 Rhizopertha — 



dominica, notes, (30) 655; (40) 458. 

 dominica, studies, (37) 356. 

 pusilla, notes, (26) 453. 

 Rhizophidium pollinis on oospores of Peronospora- 



ceae, (31) 641. 

 Rhizophora — 



mucronata as a source of tannin extracts, (28) 



146. 

 physiological studies, (39) 122. 

 Rhizopods in soils, (35) 121. 

 Rhizopogon luteolus, prevalence in South Africa, 



(29) 461. 

 Rhizopus— 



detection in fruit tissue, (39) 248. 

 maydis n.sp., description, (38) 849. 

 n.spp., studies, (28) 745. 

 nigricans — 



afifecting tomatoes, (30) 349, 351. 

 ammonifying power, (32) 29. 

 chemotropic reactions in, (36) 845. 

 description, (32) 51. 

 growth and sporulation, (28) 524. 

 isolation from cheese, (26) 479. 

 notes, (26) 647; (27) 763; (31) 447, 645. 

 occurrence in sugar, (26) 505. 

 on citrus, (35) 748. 



crated strawberries, (36) 452; (37) 351. 

 dead or dormant sugar beets, (33) 246. 

 strawberries. (38) 252, 646. 

 tomatoes, (34) 53. 

 Iirotein synthesis by, (27) 525. 

 relation to potato leak, (35) 751. 

 relation to temperature, (33) 545. 

 rennet in, (31) 34. 



studies, (26) 749; (34) 156; (39) 854; (40) 347. 

 treatment, (38) 149. 

 sp. on crated strawberries, (35) 458. 

 spp., ammonia production by, (36) 221. 

 spp. on sweet potatoes, (32) 343. 

 . spp., physiological studies, (34) 539. 

 Rhizosphaera kalkhoffi n.n. on spruce, (32) 150. 

 Rhizostilbella rubra n.g. and n.sp., description, (33) 



647. 

 Rhode Island — 



College, notes, (26) 300, 900; (27) 199; (29) 399; 



(30) 699; (31) 697; (37) 99; (39) 600. 

 Reds, see Fowls. 

 Station- 

 financial statement, (26) 795. 

 list of publications, (26) 795. 

 notes, (26) 300, 900; (27) 199, 494, 600; (28) 

 94, 196, 600; (29) 399, 700; (30) 699; (31) 

 100, 697; (32) 398; (34) 296, 900; (37) 300; 

 (38) 400, 900; (39) 400; (40) 298. 

 publications, (37) 96. 

 report, (30) 598; (33) 398; (35) 299; (38) 398; 



(40) 198. 

 report of director, (26) 795. 

 Rhodes grass — 



analyses, (30) 565. 

 culture, (34) 694. 

 culture — 



e.xperiments, (28) 735; (30) 434, 632. 

 in Philippines, (26) 361; (30) 2.33. 

 Porto Rico, (29) 631. 

 Texas, (40) 730. 

 under irrigation, (33) 228. 

 for hay and pasture, (37) 644. 

 hay, digestibility and productive value, (37) 



865. 

 hay, mineral constituents, digestibility, (40) 

 769. 



Rhodes grass — Continued. 



notes, (27) 528; (29) 428. 



root system, (36) 438. 

 Rhodnius prolixus, transmission of t rvpanosomes 



by, (30) 853. 

 Rhodochlorogen, isolation from air potatoes, (28) 



505. 

 Rhodochytrium — 



sp., notes, (30) 647. 



spilanthidis, development and cvtology, (26) 

 852. 

 Rhododendron — 



borer, notes, (30) 3,57. 



lace bug, see Leptobyrsa spp. 



tingid, notes, (36) 6.56. 

 Rhododendrons — 



handbook, (26) 337. 



new, at Kew Gardens, (32) 339. 



new species, (40) 541. 



treatise, (38) 542. 

 Rhodoseptoria ussuriensis n.g. and n.sp., descrip- 

 tion, (30) 240. 

 Rhodosticta onobrychidis n.sp., description, (35) 



454. 

 Rhodoxanthin, mitochondrial origin, (37) 129. 

 Rhodvmenia palmata, analyses, (37) 814. 

 Rhogadinae of Philippines, (39) 468, 663. 

 Rhogas — see also Rogas. 



autographae, notes, (28) 253. 



canadensis, notes, (29) 256. 



kitcheneri, notes, (36) 759. 



spp., descriptions, (32) 156. 



terminalis, notes, (36) 60. 

 Rhopalocera, American, mimicry in, (28) 655. 

 Rhopalomyia — 



grossulariae n.sp., notes, (26) 150. 



hvpogaea — see also Diarthronomyia hvpogaea. 

 notes, (34) 251. 

 Rhopalosiphum — .see also Aphis. 



betae n.sp., notes, (29) 454. 



brittenii n.sp., description, (27) 758. 



brittenii, notes, (30) 53. 



hippohaes and Mvzus braggii, confusion, (34) 

 357. 



lactucae, notes, (27) 758. 



nvmphaeae affecting plums, (34) 5.50. 



nymphaeae, notes, (28) 854; (37) 461, 562. 



perslcae, relation to spinach blight, (39) 551. 



spp., notes, (26) 149. 

 Rhopalosma poeyi, life history, (31) 355. 

 Rhopalothrips bicolor n.g. and n.sp., description, 



(27) 454. 

 Rhopaloymia grossulariae, notes, (28) 62. 

 Rhopobota vacciniana, see Eudemis vacciniana. 

 Rhubarb- 

 composition, (34) 255. 



culture, (.33) 44; (34) 41; (36) 498. 



culture, treatise, (34) 232. 



curculio, biology, (29) 56. 



diseases, studies, (40) 450. 



fertilizer experiments, (26) 31; (28) 325; (34) 294; 

 (.36) 121. 



forcing experiments, (31) 835. 



handling and shipping, (34) 637. 



potato stem borer on, (39) 160. 

 Rhus— 



diversiloba, poisonous principle, (36) 501 



flavones of, (39) 431. 



glabra, notes, (30) 145. 



laurina and R. diversiloba, fats from, (38) 202; 

 (39) 27. 



semialata, insect galls on, (38) 764. 



spp., analyses and digestibility, (27) 871; (32) 

 167. 



toxicodendron, constituents of, (36) 502. 



vernix pollen, toxicity, (31) 280. 

 Rhusa grass oil, distillation, (27) 210. 

 Rhusiopathia suum, studies, (27) 384. 

 Rhynchaenus (Orchestes) mangiferae n.sp., de- 

 scription, (35) 365. 

 Rhynchiodexia flavotessellata n.sp., description, 



(35) 259. 

 Rhynchites— 



auratus— 



egg-eating parasite of, (31) 159. 

 life history, (34) 361. 

 studies, (31) 254. 



bicolor, notes, (32) 651. 



conicus, studies, (39) 363. 



pauxillus, notes, (27) 453 



