INDEX. 13 



niillcUn 



Olives— Continued. . N"- i'as<^- 



culture, California districts, history and scope 803 1-2 



fresh California, composition of different varieties 803 11-12 



picklinpj, methods and operations, and chemical changes 803 5-7, 19-24 



ripening, chemical changes, studies 803 4, 8, 14-19 



varieties grown in California 803 2-3, 18-24 



Orchards — 



heating, California lemon orchards, method, fuel and cost 821 3-5, 24 



lemon, frost protection, bulletin by A. D. Shamel, L. B. Scott, 



andS.C. Pomeroy 821 1-30 



olive, distribution in California 803 1-2 



Oregon — 



oats, yields of several varieties, experiments 823 56-57 



peach growing, production, districts, and varieties 806-^ « ' o ' 39 



pear industry, magnitude and varieties . .* 822 15 



Oysters — 



handling in preparing for shipment, details 819 21-23 



houses, wharves, beds, etc., examination for pink yeast 819 4-10 



pink, cause, studies 819 2-24 



shipping, development of pink color, cause and prevention 819 2-23 



spoilage by pink yeast, bulletin by Albert C. Hunter 819 1-24 



treatment with, pink yeast cultures, experiments 819 10-11 



Paint, use on timbers, precautions 801 56 



{17 18 

 19 4"? 



Palmetto tree, description, use as street tree, and regions adapted to 816< sr-37 



Palms, species, use as street trees in certain regions 816-^ -, q qpac) 



Parasites of chalcis-fiy, description 812 17-19 



Pavement, heaving by roots of poplars 816 40-41 



Peach industry, importance and extent 806 1-2 



Peaches — 



hardy varieties 806 11 



production, 1899-1919, by States and years 806 2-8 



production, commercial districts and varieties, bulletin bv H. P. 



Gould and Frank Andrews. ^ 806 1-35 



season in each State, and estimated annual production 806 6-8 



varieties suited to various localities, by States 806 10-34 



Pear — 



industry, magnitude, fire-bUght menace and outlook 822 4-5 



place in fruit group in United States 822 1 



Pears — 



production estimates, by districts and States, 1909-1919 822 2-16 



production estimates, commercial, districts, and varieties, bul- 

 letin by H. P. Gould 822 1-16 



varieties planted in various States and divisions 822 5-16 



varieties, popularity of Bartlett and Kieffer 822 5 



Peat- 

 classification, based on botanical composition, etc 802 18-38 



deposit, definition 802 10 



f 7,15,21, 



lands, agricultural value and uses 802| 24-25, 30, 



[ 37-38 

 material, quaUtv and value of important tvpes, bulletin bv 



Alfred P. Dachnowski \ '. 802 1-40 



n4-15, 21, 



plants forming deposits of 802p^' |g' ^g' 



( 34-37 

 r 1-9, 15, 



utilization for agriculture and other purposes 802i 2a qq' 39' 



' 37-3^8 



