AUTHOR-SUBJECT INDEX, 1849-1961 



149 



Plants — Continued 



Paleobotany: a sketch of the origin 

 and evolution of floras, by Edward 

 W. Berry. 191 8: 289-407 



Plant-autographs and their revela- 

 tions, by Jagadis Chunder Bose. 

 1914: 421-443 



Plant records of the rocks, by A. C. 

 Seward. 1932: 363-371 



Plant-tissue cultures, by Robert L. 

 Weintraub. 1940: 357-368 



Problem of conserving rare native 

 plants, by M. L. Fernald. 1939: 



375-39 1 

 Relation of plant physiology to other 



sciences, by Julius Wiesner. 1898: 



427-444 

 Romance of domesticated plants, by 



Glenn W. Blaydes. 1954: 317-336 

 Soil acidity — its nature, measurement 



and relation to plant distribution, by 



Edgar T. Wherry. 1920: 247-268 

 Sun rays and plant life, by Earl S. 



Johnston. 1936: 353-371 

 Usefulness of scientific names of ani- 

 mals and plants, by Waldo L. 



Schmitt. 1953: 323-337 

 Utilization of aquatic plants as aids in 



mosquito control, by Robert Mathe- 



son. 1 931: 413-430 

 Vegetable colonization of the British 



Isles, of Shetland, Faroe and Iceland, 



by Charles Martins. 1858: 229-237 

 Water-culture method for growing 



plants without soil, by D. R. Hoag- 



land and D. I. Arnon. 1938: 461- 



487 

 See also Botany, Ecology, Flowers, 



names of plants 

 Plants — Alaska 



Sketch of the flora of Alaska, by J. T. 



Rothrock. 1867: 433-463 

 Plants — China 



Plants of China and their usefulness 



to man, by Egbert H. Walker. 



IQ 43 : 3 2 5-36i 



Plants — New Mexico 



Some useful native plants of New Mex- 

 ico, by Paul C. Standley. 1911:447- 

 462 

 Plants — United States 



A rare parasitic food plant [Ammo- 

 broma\ of the Southwest, by Frank 

 A. Thackery and M. French Oilman. 

 1930: 409-416 

 Plasket, J. S., Recent interesting develop- 

 ments in astronomy. 191 1: 255-270 

 Structure and rotation of the galaxy. 

 1933: 189-210 

 Plastics 

 Plastics, by Gordon M. Kline. 1941: 



225-238 

 Plastics and metals: competitors or col- 

 laborators? by G. K. Scribner. 

 1945: 165-174 

 Plateau, J., Figures of equilibrium of a 

 liquid mass withdrawn from the ac- 

 tion of gravity. 1863: 206-285; 

 1864: 285-369; 1865: 411-435; 1866: 

 255-289 

 Play schools, see Kindergartens 

 Plischke, Elmer, Trans-Arctic aviation. 



1944: 285-296 

 Plovers 



Migration of the Pacific plover to and 

 from the Hawaiian Islands, by Hen- 

 ry W. Henshaw. 19 10: 545-559 

 Plows 



Origin and early diffusion of the trac- 

 tion plow, by Carl Whiting Bishop. 



I 937 : 53 J -547 

 Plutonium 



Plutonium and other transuranium ele- 

 ments, by Glenn T. Seaborg. 1947: 

 207-216 

 Transuranium elements by Glenn T. 

 Seaborg. 1959: 247-262 



Pluvinel, A. de la Baume, Solar-radia- 

 tion researches by Jules Cesar Jans- 

 sen. 1909: 243-251 



Pocket gophers, see Gophers 



Poey, Andre, New classification of clouds. 

 1870: 432-456 



