28 



DEPAETMEISTT OF AGEICULTUEE BULS. 116-200, 



Bulletin 

 No. 



Oncorhynchus — ■ 



gorbuscha, common names, value, note 196 



icisutch, common names, value, note 196 



nerka, common names, value, note 196 



tschavjytscha, common names, value, note 196 



Onderdonk, Gilbert, introduction and history of Golden 



Beauty plum • ' 179 



Onion tlirips, occurrence in Porto Rico 192 



Onions, insect enemies in Porto Rico 192 



Oregon, demurrage regulations, variations from uniform code, 



etc- ....._ 191 



Ostrea virginiana. See Oysters. 



Overflowed — 



land , sedimentation areas, reclamation method 181 



lands on Big Black Pdver, ]\Iississippi, reclamation, 



report on method and cost 181 



Overirrigation, manifestation in appearance, vegetation, etc. 190 



Oyster — 



dredge, description and management 196 



dredging, management 196 



industry, distribution, management, etc 196 



shuckers, wages 196 



Oysters — 



canned in United States, 1899, 1904, 1909, quantity and 



value 196 



canning — 



commercial methods 196 



industry, magnitude and extent 196 



grades , 196 



occurrence, harvesting, etc 196 



prices per barrel 196 



shucking, process, management, etc., at canneries 196 



Pachyzanda — 



bipunctalis, occurrence on vegetables in Porto Rico 192 



periusalis — 



description, feeding habits, etc 192 



occurrence on vegetables in Porto Rico 192 



Pacific wild plum. See Wild plum. Pacific. 

 Panasus brasiliensis. See Slirimp. 

 Pea— 



blancher, description and value 196 



vining machine, description, origin 196 



Peachblow potatoes, group characters, varieties, etc 176 



Peaches — 

 canned — 



effect of standing on weight of solids and sirup 196 



effect of varving degrees of sirup 196 



in United States, 1899, 1904, 1909, quantity and 



value 196 



presence of microorganisms 196 



canning, selection, handling, preparation, etc 196 



commercially canned, weight and composition of fruit. . 196 



grading deiice, use in canneries ■■. 196 



handling at canneries, suggestions for improvement .... 196 



■ packing seasons at canneries, by States 196 



peeUng methods, practices at canneries ' 196 



shrinkage in can, causes, note ' 196 



waste at canneries, percentage and uses 196 



Pearl potatoes, group characters, varieties, etc i 176 



Pearl River — 



Mississippi, hydrographs, 1904-1913, monthly 181 



Mississippi, run-off, methods of measurement, fluctua- 

 tions ' 181 



