6o6 Journal of Agricultural Research voi. xviii. No. n 



(13) KiNMAN, C. F., and McClelland, T. B. 



I916. EXPERIMENTS ON THE SUPPOSED DETERIORATION OF VARIETIES OF VEGE- 

 TABLES IN PORTO RICO, WITH SUGGESTIONS FOR SEED PRESERVATION. 



Porto Rico Agr. Exp. Sta. Bui. 20, 30 p., tab., diagr. 



(14) LEWIS, I. F. 



1914. THE SEASONAL LIFE CYCLE OP SOME RED ALGAE AT WOODS HOLE. In 



Plant World, v. 17, no. 2, p. 31-35. 



(15) LiNSSER, Carl. 



1867. DIE pEriodischEn erscheinungen des pflanzenlEbEns in IHREM 

 vERHALTNiss zu DEiN warmEERSChEinungen. In Mem. Acad. Imp. 

 Sci. St. Petersb., s. 7, t. 11, no. 7, 44 p. 

 (16) 



1869. UNTERSUCHUNGEN tJBER DIE PERIODISCHEN LEBENSERSCHEINUNGEN DER 



pflanzen. zwEiTE abhandlung. In Mem. Acad. Imp. Sci. St. 

 Petersb., s. 7, t. 13, no. 8, 87 p. 



(17) Lodewijks, J. A., Jr. 



1911. ErblichkEitsvERSUChE MIT TABAK. In Ztschr. Induk. Abstam. 

 u. Vererb., Bd. 5, Heft 2/3, p. 139-172; Heft 4/5, p. 285-323, illus. Lit- 

 eraturverzeichnis, p. 171-172, 322-323. 



(18) MacDougal, Daniel Trembly. 



1903. THE influence of light and darkness upon GROWTH AND DEVELOP- 

 MENT. Mem. N. Y. Bot. Gard., v. 2, 319 p., illus. 



(19) MooERS, Charles A. 



1908. THE SOY BEAN. A COMPARISON WITH THE cowpea. Tenn. Agr. Exp. 

 Sta. Bui. 82, p. 75-104, illus. 



(20) RanE, F. William. 



1894. ELECTROHORTICULTURE WITH THE INCANDESCENT LAMP. W. Va. AgT. 



Exp. Sta. Bui. 37, 27 p., illus. 



(21) Reaumur, R. A. F. dE 



1738. OBSERVATIONS DU THERMOMETRE, FAITES A PAIUS PENDANT L'ANn6E 

 M.DCCXXXV. COMPAr6ES AVEC CELLES OUI ONT 6t6 FAITES SOUS LA 

 LIGNE, a l'iSLE DE FRANCE, A ALGER, ET EN QUELQUES-UNES DE NOS 



ISLES DE l'amEriquE. In Hist. Acad. Roy. Sci. [Paris], M6m. Math. 

 & Phys., ann. 1735, p. 545-376- 



(22) Reed, Howard S. 



I919. CERTAIN RELATIONSHIPS BETWEEN THE FLOWERS AND FRUITS OP THE 



LEMON. In Jour. Agr. Research, v. 17, no. 4, p. 153-165, i fig. 



(23) SCHUBELER. 



1879. THE EFFECTS OF UNINTERRUPTED SUNLIGHT ON PLANTS. (Abstract.) 



In Nature, v. 21, p. 311-312. 1880. Original article (Studier over 

 Klimatcts Indflydelse paa Plantelivet) in Nattu-en, Aarg. 3, No. 6, 

 p. 81-89; No. 8, p. 113-123, illus. 1879. 



(24) TOURNOIS, J. 



1911. ANOMALIES FLORALES DU HOUBLON JAPONAIS ET CHANVRE d6TERMIn6ES 



PAjR DES SEMIS HATiFs. In Compt. Rend. Acad. Sci. [Paris], t. 153, 

 no. 21, p. 1017-1020. 



(25) 



1912. INFLUENCE DE LA LUMI^RE SUR LA FLORAISON DU HOUBLON JAPONAIS 



ET DU CHANVRE. In Compt. Rend. Acad. Sci. [Paris], t. 155, no. 4, 

 p. 297-300. 



(26) WiESNER, J. 



1907. DER lichtgEnuss dER pflanzEn . . . vii, 322 p., illus. Leipzig. 



