XXVI ACTUALITÉS BIOLOGIQUES 



lopment of certains english Œnothera [Rep. british Ass. Adr. Se. 

 Winnipeg, Sect. K: 677-678).' 

 Gates (R. R.) (1910). — I. The material Basis of Mendelian phenomena [Amer. 

 Nat., XLIV : 203-213). 



— (R. R.) (1910). — II. Abnormalities in Œnothera {Rep. Missouri Bot. 



Gard., XXI : 175-184, 3 pl.). 



— (R.R.)(1910). — III. The earliest D escription of Œ . Lamarckiana ( Science 



N. S., XXXI : 425-426) (annotation du Pinax de Bauhin : 1623). 



— (R, R.) (1910). — IV. Early historico-botanical Records of the Œnothera 



(Proc. JowaAc. Sc., XVII : 85-124, 6 pl.). 



— (R. R.) (1911). — I. The Behavior of the Chromosomes in Œ.lata x Œ. 



gigas (Bot. Gaz., XLVIII : 179-199, pl. XII-XIV). 



— (R. R.) (1911). — II. The Mode of Chromosome Reduction [Bot. Gaz., 



LI : 321-344). 



— (R. R.) (1911). — III. Mutation in Œnothera (Americ. Nat., XLV, 577- 



606). 



— (R. R.) (1911). — IV. Studies on the variability and heretability of 



pigmentation in Œnothera (Zeitschr.f. ind. Abst. und Vererbungslehre, 

 IV: 327-372, pl. VI, fig. 5). 



— (R. R.) (1912). — I. Pollen Formation in Œ. gigas [Ann. of Bot., XXV, 



1912 : 909-940, pl. LXVII-XCX). 



— (R. R.) (1912). — II. Thé Onagraceous stem with internodes (N. Phyto- 



logist, XI : 50-53). 



— (R. R.) (1912). — III. Parallel Mutations in Œnothera biennis [Nature, 



1912, 659). 



— (R. R.) (1912). — IV. Mutations in Plants (Bot. Journ., 1912, 4 p., 1 fig.; 



Bot. Mag., II, 4 : p. 84-87, 1 fig.). 



— (R. R.) (1912).— V. Somatic Mitoses in Œnothera (Ann. of Bot., XXVI, 



1912, 993-1010). 



— (R. R.)(1913). — I. A Contribution to a Knowledgeof the mutating Œno- 



thera (Transact. Linn. Soc. Bot., 2 e série, VIII, 1 : 1-67, pl. I-VI, 

 1913). 



— (R. R.) (1913). — II. Tetraploid Mutants and Chromosomes Mechanisms 



(Biologisches Centralblatt, 1913, 92 : 114-150). 



— (R. R.) (1913). — III. A new Œnothera (Rhodora, XV : 45-48, 2 pl.). 



— (R. R.) (1913). — IV. The Mutations of Œnothera (Nature, XCI, 647- 



648). 



— (R. R.) (1913). — V. Recent Papers on Œnothera Mutations [N. Phy- 



tologist, XII : 290-302). 

 i — et Thomas (Miss) (1914). — I. Cytology of Œ. lata and semilata (Quaterl. 

 Journ. of Microsc. Sc., LIX, 523 ; British Ass. Adv. Sc., 83 rep., 716). 



— (R. R.) (1914). — II. Breeding Experiments which show that Hybridi- 



sation and Mutation are indépendant Phenomena (Zeitschr. f. ind. 

 Abst. und Vererbbungslehre, XI : 209-279). 



— (R. R.) (1914). — III. Evidence which shows that Mutation and Men- 



delian splitting are different' processes (Rep. british Ass. Adv. Sc., 

 Birmingham 1913, London 1914 : 716-717). 



— (R. R.) (1914). — IV. On the apparent Absence of apogamy in Œnothera 



(Science, XXXIX : 37-38). 



— (R. R.) (1915). — I. Mutation Factor in Evolution, London, 1915. 



— (R. R.) (1915). — II. On the nature of mutations (Journ. of Heredity, 



VI : 99-108, 1915). 



Oeerts (F. M.) (1907). — Ueberdie Zahlder Chromosomen von Œ. Lamare- 

 kiana (Ber. d. deutsch. bot. Ges., XXV: 191-195, pl. VI). 

 — (F. M.) (1908). — Beitràge zur Kenntnis der cytologischen Entwick- 



