INDEX TO AUTHORS' \ AUKS 



479 



Pollock, J. B. Longevity <>f Sclerotinia in 



soil. 784. 

 Pomeroy, C. S. Bud variat ion in sugar-cane. 



1025. 

 Pool, R. J. Elementary botanical teaching. 



141S. 

 Popenoe, P., and R. II. Johnson. Applied 



eugenics. 279. 

 Popenoe,W. Avocado in Guatemala. 334. — 



Mexican avocados. 2357. — Tropical fruits 



at Oaxaca, Mexico. 235S. 

 Popp, M. Germination of beet-seed. 2899. — 



Eydrogen-ion concent rat ion and natural 



immunity. *2892. — Invertase solutions 



from yeasts. 2880. — Rev. by Mctge. 



1799— Rev. of Wagner, R. J. 1668. 

 Porold, A. I. Viticulture in Union of South 



Africa. *2355. 

 Porter, W. C. Huntington's chorea. *280, 



2179. 

 Porter, W. R. (Waldron, L. R., and W. R. 



Porter) 192. 

 Porter, W. R., and O. A. Stevens. North 



Dakota weeds. 187. 

 Posternak, S. Phospho-organic salts in re- 

 serve of green plants. 131, *1730. 

 Pothybridge, G. H. Potato diseases in Ire- 

 land. 2727. 

 Pott, Mrs. R. Warburgia from Transvaal. 



155. 

 Potts, G. Pepper tree (Schinus) and hay 



fever in South Africa. *1850. 

 Powers, F. B. Odorous principles of plants. 



2817. 

 Power, F. B., and V. K. Chestnut. Caffein in 



Ilex vomitoria. 1731, *1749. 

 Powers, W. L. Improvement of marsh land 



in Oregon. 1774. 

 Praeger, R. L. Sedum. 156. 

 Prain, D. Chrozophora. 157. — Meconopsis 



compta. 158. 

 Pratt, J. H., and H. Morrison. American 



digitalis. 2818. 

 Preiser, S. A., and C. B. Davenport. Von 



Recklinghausen's disease. 281. 

 Prendergast, H. J. (McClendon, J. F., and 



H. J. Prendergast) 2870. 

 Prescott, S. C. Drying vegetables. 478. 

 Prescott, E. E. Ornamental plants of Aus- 

 tralia. 687. 

 Preston, C. F. Potato varieties in Pennsyl- 



vania. 



>1SS0. 



Pribram, Hugo. Inheritance of diabetic 

 constitution. (Rev. by Siemens) 1506. 



Pringsheim, II. Chemical adaptations of 



microorganisms. 1755. 

 Prizer, J. A. Fertilization of citrus gro 



in r. s. A. 2359. 

 Proba ci < '. I'.. Potato marketing. U\ 1. 

 Prunet, A. Vine black-rol control in France. 



•2730. 

 Pucci, Angiolo. Single rises in Italy. 1017. 

 Pugsley, II. W. British Euphrasias. 3015. 

 Pulling, H. E. Rev. of C. F. Korstian. 554. 

 Punnett, H. C. Inheritance of leg-feat liering 



in poultry. (Rev. by Kuiperj IKS. 

 Purvis, J. E. Potash from bracken in Kng- 



land. 479, *804. — Sugar from saw -dust. 



214, *821. 

 Pusch, G. Inbreeding live stock. 1026. 

 Putnam, J. J. (Hills, T. L., and J. J. Put- 

 nam) 456. 



R., A. B., Elements of botany. 1898. 



R., J. K. Rev. of Bailey. *2301. 



Rabaud, Etienne. Evolution and sexuality. 

 660. 



Ragionieri, Attilio. Poinsettia culture in 

 Italy. 1080. 



Raiziss, G. W. (Schamberg, J. F., J. A. Kol- 

 mer, G. W. Raiziss, and M. E. Trist) 



Ramaley, F. Dune vegetation at San Fran- 

 cisco. 1973.— Ecology of sedges in Colo- 

 rado. 1974. — Xerophytic grasslands in 

 Colorado. 1975. 



Ramirez, Roman. Disease (Thielaviopsis) of 

 sugar-cane in Mexico. 2731. 



Rands, R. D. Brown bast disease of Hevea 

 brasiliensis. 2732. 



Rankin, W. H. Rev. of Foster, J. H. 536. 



Ranninger, R. Culture of poppies. (Rev. 

 by Muller) 1390. 



Ranoievitch, N. Fungi in France. 1138. 



Rant, A. Cinchora root-fungus. 1191. 



Rapp, S. Mosses from Sanford, Florida. 

 2479. 



Rasmuson, H. Genetics of flower-color in 

 Tropaeolum. 2180. — Hybridization ex- 

 periments with Chelidonium, etc. *1027. 

 — Origin of red sugar-beets. 21S2. — A 

 Petunia cross. 2181. 



Ravaz, L. Downy-mildew of grapes in 

 France. *2734. — Grape-mildew control in 

 France. *2733. 



Ravn, F. K. (Ferdinandsen, Mrs. Rostrup, 

 and F. K. R. Ravn) 103. 



Rebmann. Dying of walnuts. (Rev. by 

 Matouschek) 2695. 



