AGRICULTURAL INDEX 



809 



Organ 



Case for music; considering the piano and 



the organ from the standpoint of decorative 



needs as well as musical excellence. S. De 



Brie, il Country Life 35:76+ F '19 



Oriental fruit moths. See Oriental peach moths 



Oriental peach moths 



Comparison of several species of lepidoptera 

 infesting peach and apple in Maryland, 

 with additional notes on the oriental peach 

 moth. P. Carman, il Md Ag Exp B 223:103- 

 26 '18 



Eradication of the oriental fruit moth and 

 Japanese beetle. A. L. Quaintance. J Econ 

 Entom 12:144-7 Ap '19 



Experiments on the control of the oriental 

 fruit moth. L: A. Stearns (B. v. 2,no. 1) 

 16p il '20 Va. State crop pest comm., 

 Blacksburg 



Field notes on goniozus antipodium. L. Gal- 

 lard. Ag Gaz of New South Wales 32:471 J I 

 '21 



Oriental fruit moth in Virginia. L: A. Stearns. 

 (B. V. l.no. 1) p 3-7 il '19 Va. State crop 

 pest comm., Blacksburg 



Oriental moth. (B. v. l,no. 4) p 11-14 

 '20 Va. State crop pest comm., Blacks- 

 burg 



Oriental peach moth, bibliog il Conn State 

 Ag Exp B 211:298-306 '19 



Oriental peach moth. (In Report, 1917, p. 6-7) 

 'IS Va. State entomologist and plant pa- 

 thologist, Richmond 



Oriental peach moth: with discussion. E. N. 

 Cory. Md Ag Soc Rep 1918, v 3:138-43 '19 



Oriental peach pest (laspeyresia molesta 

 Busck), a dangerous new fruit insect of 

 Maryland. P. Garman. il Md Ag Exp B 209: 

 1-16 '17; Same. Md Ag Exp Rep 1917-1918:1- 

 16 



Peach tip moth. "V\'. W. Froggatt. Ag Gaz of 

 New South Wales 30:891-2 D '19 



Some recently recorded parasites of the orien- 

 tal peach moth. L. A. Stearns. J Econ En- 

 tom 12:347-8 Ag '19 



Some results with nicotine and nicotine 

 combinations in experiments on the con- 

 trol of laspeyresia molesta Busck. L: A. 

 Stearns. J Econ Entom 13:364-7 Ag '20 



Some studies on the effect of arsenical and 

 other insecticides on the larvse of the 

 oriental peach motlr. A. Peterson. J Econ 

 Entom 13:391-8 O 20 



Status of the oriental peach moth. E. N. 

 Cory. J Econ Entom 12:81-4 F '19 

 Orientation 



Instinct of orientation in ants. R. Brun. Sci 

 Am Monthly (233 Broadway, N.Y. 40c) 1: 

 51-6 Ja '20 



Nature's diary; the sense of direction in 

 ants. A. B. Klugh. Farmer's Advocate 55: 

 1050 Je 3 '20 



Orientation of the banana inflorescence. P. G, 

 Dani. Ag J of India 15:461-2 Jl '20 



Sense of location in the lower animals. Cur- 

 rent Opinion (65 W. 36th st, N.Y. 35c) 68. 

 71 Ja '20 



Some habitat responses of the large water- 

 strider, gerris remigis Say. C. F. C. Riley, 

 il Am Nat 53:394-414, 483-505; 54:68-83 S-N 

 •1^, Ja '20 

 Origin of species. See Evolution 

 Orioles 



Nature's diary; Baltimore oriole. A. B. 

 Klugh. Farmer's Advocate 55:1318, 1346 JI 

 22-29 '20 



Some common Indian birds: the black-head- 

 ed oriole (oriolus luteolus). T. B. Fletcher 

 and C. M. Inglis. 11 Ag J of India 16:231-4 

 My '21 

 Orleans county sheep breeders' association 



How Orleans county. N.Y.. obtains all its 

 wool is worth. B. "U'. Brace. Am Sheep B & 

 W 39:392 Jl '19 

 Orloffs (poultry) 



Many-sided Russian Orloff. E. A. Frank, il 

 Am P J 50:670-1 Je '19 

 Ornithology 



Ornitologia cubana. J. Gundlach. R de Ag 

 Cuba p 387-91 N '20 

 Orobus. See Bitter vetches 



Orphans and orphan asylums 



Bo^■s wlio want lo he farmers; many requests 

 received for orplians. O Judd Farmer 68:179 

 Ja 24 '20 



Tlieir first real Christmas. F. E. Collins. O 

 Judd Farmer 68:1770 D 25 '20 



When am I goin' to be 'dopted? O Judd 

 Farmer 68:25 Ja 3 '20 



Whosoever shall receive one of such. F. E. 

 Collins. O Judd Farmer 67:929 D 20 '19 

 Orpingtons (poultry) 



Buff Orpingtons. M. Purvis. Breeder's Gaz 

 76:463 S 11 '19 



Buff Orpingtons; how to mate and breed 

 them. G: C. Pendleton, .il Dakota F 40:260 

 F 19 '20 



Correct type for Orpingtons. J. I. Lyle. il Am 

 P J 51:1235-6 i> "20 



Orpington type and color. C. S. Byers. Am 

 P J 51:o50 Ap '20 



Orpinglon.s. T. F. McGrew. il Am P Advocate 

 29:2ul-2 Mr '21 



Orpingtons at Madison Square. Am P J 50:611 

 My '19 



Poultry breeds; the Orpingtons. H. R. Lewis, 

 il Country Gent 86:10+ Je 11 '21 



Practice of shading choice exhibition and 

 sale fowl: Sunswick poultry farm. Reliable 

 P J 26:431+ Je '19 



Present-day buff Orpingtons. F. F. •Conway. 

 Am P J 52:331 Mr '21 



Study of the common breeds. M. C. Herner. 

 Farmer's Advocate 56:1116 Jl 7 '21 



Type in white Orpingtons. Am P J 50:968 O 

 '19 



White Orpington. Mrs W. T. Thompson. Am 

 P J 50:514 Ap '19 



Sec <ilso American white Orpington club 

 Orthoptera 



Key to orthoptera of Michigan with annota- 

 tions. R. H. Pettit and E. McDaniel. il 

 Mich Ag Exp Spec B 83:1-48 '18; Same. 

 Mich Ag Bd Rep 1918:481-518 '19 



Orthoptera of Maine; grasshoppers and relat- 

 ed insects. A. P. Morse, il Maine Ag Exp 

 B 296:1-36 '21 



Two orthoptera new to New Jersey, with 

 comments on their local habitats. H: Fox. 

 Entom News 32:234-70 N '21 

 Oryctes rhinoceros. See Rhinoceros beetles 

 Osiers 



Basket willow culture in Mai-y'and. K. E. 

 Pfeiffer. 24p il map '19 Md. State bd. of 

 forestry, Baltimore 



Basket willow culture in New York state. 

 J: W. Stephen, bibliog il N Y State Coll of 

 Forestry (Syracuse) B v 17, no 24 (C. 18): 

 1-35 '17 



Cultivation of basket willows. J Bd Ag 25: 

 1424-32 Mr '19 

 Osmosis 



Osmotic concentration and electrical conduc- 

 tivity of the tissue fluids of ligneous and 

 herbaceous plants. J. A. Harris and others. 

 J Physical Chem (Cornell Univ., Ithaca, 

 N.Y. $4 per yr.) 25:122-46 F '21 



Simple device for illustrating osmosis. E. C. 

 Cole. Science (Science Press, Garrison, N.Y. 

 15c) n s 50:542-3 D 12 '19 . 



Variations in the osmotic concentration of 

 the guard cells during the opening and 

 closing of stomata. R. G. Wiggans. bibliog 

 Am J Bot 8:30-40 Ja '21 



Water-balance of the plant and its signifi- 

 cance in the crop production. T. G. Ma- 

 son, bibliog West Indian B 18:157-84 Ap 

 '21; Excerpt. Ag News 20:195 Je 25 '21 

 Osmotic pressure 



Effect of salt solutions having definite osmotic 

 concentration values upon absorption by 

 seeds. W. Rudolfs, bibliog Soil Sci 11:277-93 

 Ap '21 



Osmotic pressures in the potato plant at 

 various stages of growth. B. F. Lutman. 

 bibliog il Am J Bot 6:181-202 My '19 



Osmotic properties of some plant cells at 

 low temperatures. F. J. Lewis and G. M. 

 Tuttle. bibliog Ann Bot 34:405-16 Jl '20 



Role of osmotic pressure in the toxicity of 

 soluble salts. J. E. Greaves and Y. Lund, 

 bibliog Soil Sci 12:163-81 Ag '21 



