346 



INDEX TO AUTHORS NAMES 



Picquenard, Ch. Fossils of Quimper and 

 Kergogne coal. 1994. 



Pieper, H. Methods of differentiation be- 

 tween stock and sugar-beet seed. 1195. 



Pierre, L. Gutta-percha production, Cochin- 

 chine and Cambodge. 224. 



Pilger, R. Corallines of Annobon. 609. 



Piltz, J. Heredity and hallucination. *440. 



Pinchot, Gifford. Government control of 

 forest devastation, U. S. A. 1389. 



Pinella, A. Robinia Kelseyi. 1829. 



Pitt, Francis. Inheritance in pedigreed 

 cattle. 1605. 



Pitt, J. M. Winter green-fodder experi- 

 ments, 1919. 1196. 



Pitt, J. M., and R. W. McDiarmid. Farmers' 

 experiments. 1197. 



Pittenger, P. S. A new pharmacodynamic 

 assay method. 817. 



Pittenger, P. S., and G. E. Ewe. Standardi- 

 zation of Jamaica dogwood. 818. 



Plate, L. Inheritance in mice. (Rev. by 

 Alverdes) 1425. 



Pleas, S. A. Seedling peonies. *529. 



Pleijel, C. Valeriana excelsa X officinalis. 

 *1606. 



Plitt, C. C. Lichenology. *676. 



Plunkett, C. R. Genetics and evolution in 

 Leptinotarsa. 441. 



Plymen, F. J. Sodium nitrate as cotton 

 fertilizer. 51. 



Pole Evans, I. B. Aloes. 1830. 



Pole Evans, I. B., and K. Lansdell. Canada 

 thistle in South Africa. *1902. 



Pommay-Michaux, Mme. (Grigant, A., F. 

 Guerin, and Mme. Pommay-Michaux) 

 2199. 



Ponsdomenech, J. Fertilizers for sugar 

 cane. *52. 



Pool, Raymond, J. Wood production and 

 fuel, Nebraska, U. S. A. 1390. 



Poole, see Lane-Poole. 



Popenoe, Paul. Inbreeding and outbreed- 

 ing. 1607.— Rev. of Lock, R. H. *1609 — 

 Rev. of Morgan, F. H. *1610— Rev. of 

 Punnett, R. C. *1611— World power 

 and evolution. *1608. 



Porto, R. C. Paivaea landsdorffii. 1042. 



Posternak, M. S. Phospho-organic prin- 

 ciple in green plants. 887. 



Potier de la Varde, R. Species of Fissidens, 

 with special reference to dioecism. 628. 



Potter, G. F. Temperature control appa- 

 ratus. 958. 



Potts, H. W. Composition of honey locust 

 tree seed, New South Wales, Australia. 

 1391. 



Powers, W. L. Wild meadow and tule land 

 improvement, Oregon. 53. — Irrigation in 

 Oregon. 2332. 



Powers, W. L., and W. W. Johnston. Im- 

 provement of wild meadow and tule 

 land. 1198. — Improvement of meadow 

 land. *2333. 



Prain, David. The identity of John Rox- 

 burgh. *1253. 



Prain, D., and others. Rept. of Committee 

 on Roy.-Bot. Soc, England. 108. 



Pratt, Geog. D. Forestry in New York, 

 1920. 1392. 



Prideaux, E. B. R. Theory and use of indi- 

 cators. (Rev. by Bancroft) 2249. 



Pridham, J. T. Oat and barley breeding, 

 Australia. 1612. — An obscure disease in 

 wheat. 2084. 



Principi, Paolo. Dicotyledons of Oligo- 

 cene of Liguria, Italy. 717. — Lower Cre- 

 taceous flora, Tripoli. 1995. 



Prinsen, Geerligs, H. C. Manufacture of 

 glycerin from molasses. 2208. 



Pritzel, E. Basedowia, new genus of Com- 

 positae. 1043. — New species of Austral- 

 ian plants. 1044. 



Przibram, Hans. Causes of animal coat 

 colors. *1613. 



Pulling, Howard E. Sunlight and its meas- 

 urement. 2236. 



Pulling, H. E. Rev. of Henrioi, M. *865. 



Punnett, R. C. Inheritance of leg feather- 

 ing. (Rev. by Ellinger) 1492.— Men- 

 delism. (Rev. by Popenoe) 1611. — Ge- 

 netics of Dutch rabbit. 1614. 



Putterill, V. A. Life history of Uromyces 

 Aloes-Oke. *125. 



Puyhaubert, A., and R. Jolly. Mycetoma 

 caused by a Madurella, Africa. 677. 



Pye, H. Wheat breeding. 1615. 



Quehl, L. Cacti. *1831. 



Quer, P. Font. Plants of Tetuan. 2352.— 



Flora of Minorca. 2353. 

 Quisumbing y Arguelles, E. Bananas in the 



Philippines. *1764. 



R. Rev. of Trow, A. H. *1616. 



Rafn, Johannes. Seed analysis, forest-trees, 



Denmark. *1393. — Nests of tree seed, 



oak, Denmark. *1394. 



