62 



DE. E. E. GATES — CONTEIBUTION TO A 



It is held that there is no fundamental distinction betvyeen mutations and fluctuations, 



that one is inherited and the other is not— or, in other words, one is due to 



■ 



terminal alteration, the other to a somatic variation. 



VIII. Bibliography. 



(This list includes only papers actually cited in the text.) 



Bot. 



Andrews, F. M.— 1910. Twin Hybrids [laeta and veluiina) and their Anatomical Distinctions. 



Gazette, 1. 193-201. 



Artom, C— 1911. La sisteraatica del genere ^/-/mm in relazione col numero dei cromosomi delle 



cellule sessuali e in relazione col numero e colla grandezza delle cellule somatiche. Biolog. 

 Centralbl. xxxi. 101-108. 



Bailey, Charles.— 1907. De Lamarck's Evening Primrose {Oenothera Lamar chi ana) on the sandhills 



of St. AnneVon-Sea, North Lancashire. Address at Annual Meeting, Manchester Field-Club, 

 pp. 28, pis. 6. 



Bartlett, H. H.— 1907. Some new Washington Plants. I3ot. Gazette, xliv. 302-304. 



1911. Systematic Studies on Oenothera. I. Oenothera Tracyi, sp. nov. Rhodora, xiii. 209-211, 



pi. 93. 



)N, W., 



Hered 

 Harris 



. E. Saunders, & R. C. Punnett.— 1908. Experimental Studies in the Physiology of 



. Report IV. to the Evolution Committee of the Royal Society, pp. 40. London : 

 & Sons. 



Boulenger, G. A.-1907. On the Variations of the Evening Primrose {Oenothera biennis, Linn.). 



Journ. Botany, xlv. 353-363. 



BovERi, TH.-1905. Zellenstudien : V. Ueber die Abhangigkeit der Kerngrosse und Zellenzahl der 



Seeigel-Larven von der Chromosomenzahl der Ausgangszellen. Jena : Gustav Fischer; pp. 80, 

 pis. 2, text-figs. 7. 



Davis, B. M.— 1910. Notes on the Behaviour of certain Hybrids of Oenothera in the First Generation. 



Amer. Nat. xliv. 108-11.5. 



1911. Some Hybrids of Oenothera biennis and . gr audi flor a ih^i resemble O. Lamar cUana. 



Amcr. Nat. xlv. 193-233. 

 DeVries, Hugo.— 1901-3. Die Mutationstheorie. Leipzig. 3 Vols. 

 • • 1907. On Twin Hybrids. Bot. Gazette, xliv. 401-407. 



1908. Ueber die ZwiUingsbastarde von Oenothera nanella. Ber. deut. Bot. Ges. xxvi. a 



667-676. 



1909. Bastardc von Oenothera gigas. Ber. deut. Bot. Gcs. I. c. pp. 754-762. 



1909. On Triple Hybrids. Bot. Gazette, xlvii. 1-8. 



1909. The Mutation Theory. Translated by Prof. J. B. Farmer and A. D. Darbishire. Chicago : 



Open Conrt Pub. Co. 



1911. Ueber doppeltreziproke 



Biolog. Centralbl. xxxi. 97-104. 



von Oenothera biennis, Linn., und O. muricata, Linn. 



DiGBY, L.— 1912. 



kewens 



41-44 



Annals 



Gates, R R— 1907 Pollen Development in Hybrids of O^mothera lata x 0. Lamarckiana, and its 



2-4> 



relation to Mutation. Bot. Gazette, xliii. 81 



1908. A Study of Reduction m Oenothera rubrinervis. Bot. Gazette, xlvi. 1-34 pis 1-3 



!^f. no ^^' f;^;"'^"^ °^ *^^ Chromosomes in Oenothera lata x 0. gigas, Bot. Gazette,' xlviii. 

 179-199, pis. 12-14. ' 



