694 EXPERIMENT STATION RECORD. 



A manual of orchidaceous plants (Chelsea: Jai. Veitch cf Sons, 2 vols., pts. 10). 



Notes on Antigua grasses, C. A. Barber (Siqjpl. Leeward Inlands Gaz., 1S94, Xo. 

 32, pp. 165-170). — Popular notes are given ou Guinea grass (Panicnm jumentorum), 

 Andropogon cavicosns, Bermuda grass, Andropogon saccliai-oides, and Sporohohin indicus. 



The philosophy of flower seasons and the phenological relations of the ento- 

 mophilous flora and the anthophilous insect fauna, C. Robertson (Amer. Nat., 29 

 {1895), pp. 97-1 17, ph. 3). 



Sensitive movements of some flo-wering plants under colored screens, J. M. 

 Macfarlane {Bol. Cenihl.,61 {1S95), No. 4,pp. 1S6-146; No.5,pp. 177-1S4). 



Concerning heliotropism, W. Rothert {Colm's Beitriige Biol. Pflanzen,7 (1894), 

 No.l; ahs.in Bot. Ztg.,53 {1S95), II, No.^.,pp. 17-25 ; also Bot. CeniU., 61 (1895), No. 4, 

 pp. 159-166). 



The discussion concerning the function of the root tips, W. Rothert (Flora, 

 79 (1S94), pp. 179-218; ahs. in Bot. Cenibl.,61 (1895), No. 5, pp. 199-200).— A critical 

 review of the literature relating to the subject. 



The thorns of plants, H. Coupin (Pop. Sci. Monthly, 46 (1895), No. 4, pp. 498-501). 



The continuity of protoplasm in plants, R. Beer (Nat. Sei., 6 (1895), No. 36, pp. 

 108-111). — A review of the theory of coutiuuity of jirotoplasni and a short bibliog- 

 raphy of some of the more important coutributious to the subject. 



Mold and other growths found in the seed cavities of apples, L. Moores (Amer. 

 Micr. Jour., 16 (1895), No. 2, pp. 49-54, figs. 2). — The author reports the common 

 growth found in seed cavities to be internal hairs. A Penicillivm sometimes gains 

 access through large openings at pip end or more commonly through insect burrows. 



The coloring of apples ( Ga)'<?. Chron., 17 (1895), ser. 3, pp. 177,178). — A contro- 

 versial article on the relative importance of direct sunlight and soil constituents on 

 the production of high colors. 



FERMENTATION— BACTERIOLOGY. 



The microorganisms of fermentation, A. Joergexsen, translated by P. Freund 

 (Les Microrganismes de la fermentation. Paris: 1895, pj). 318, figs. 56). — Reviewed in 

 Her. Scientif., 10 (1895), No. 3, p. 83. 



Recent researches on pectase and pectic fermentation, G. Bertrand and A. 

 Mallevre (Compt. Bend., 120 (1895), No. 2, p)p. 110-113). 



The bacteria of drinking ^water, especially of the Chemnitz water supply, O. 

 E. R. Zimmer.maxn (ZwiJlfter Ber. Naturw. Ges. Chemnitz, pp. 79-168, pis. 5). 



A simple apparatus for disinfecting ■with steam, L. Vaillard and BsssoN 

 (Ann. Inst. Pasteur, 8 (1894), No. 12, pp. 833-853, figs. 5). 



ZOOLOGY. 



Are all birds of prey injurious to the farmer ? E. A. Smyth, Jr. 

 ( Virginia Sta. Bui. 3S, pp. 23-39). — This bulletin consists of notes ou 

 the feeding habits of the common liawlis and owls of Virginia, witlithe 

 results of the examination of numerous stomachs of each species. 

 Much of the matter is compiled from " Hawks and Owls of the United 

 States."^ The following si)ecies are treated of, brief descriptions and 

 notes ou the habits being included: Marsh hawk, sharp-shinned hawk, 

 Cooper's hawk, goshawk, red-tailed hawk, red-shouldered hawk, broad- 

 winged hawk, rough-legged hawk, golden eagle, bald eagle, duck hawk, 



' U. S. Dept. Agr., Division of Ornithology and Mammalogy Bui. 3 (E. S. R., 4, 

 p. 852). 



