ß50 E- Schiemann: Entstehung der Arten, Variation usw. 1915 und 1916. [20 



346. Saundprs, E. R. On selective partial sterility as an 

 explanation of the double-throwing stock and tlie Petunia. 

 (Amer. Naturalist 50, J916, p. 486-198.) - Ref. Z. f. i. A. u. V. 20, 1919, 

 p. 55. 



347. Sainidors, E. R. The results of further breeding experi- 

 ments with Petunia. (Amer. Naturalist 50, 1916, p. 548 — 553.) — Ref. 

 Bot. Ctbl. 134, 1917, p. 259. 



348. Sahli, G. Die Empfänglichkeit von Pomaceenbastarden, 

 -Chimären und intermediären Formen für Gymnosporangium. 

 (Centrbl. f. Bakt. u. Paras , 2. Abt., 45, 1916, p. 264-301.) - Ref. Bot. Ctbl. 

 132, 1916, p. 281 u. Z. f. i. A. u. V. 19, 1918, p 136. 



349. Schelleifbors-, ff. 0. Die Vererbungsverhältnisse von 

 Rassen mit gestreiften Blüten und P^rüchten. ( Viertel j ah rsschr. 

 naturf. Ges. Zürich 61, 1916, p. XXIX-XXX.) - Ref. Bot. Ctbl. 137. 1918, 

 p. 278. 



350. Schmidt, J. In vestigations on hops. VI. On the amount 

 of lupulin in plants raised by crossing. (C. r. trav. Labor. Carlsberg 

 11, 1915, p. 165-185.) - Ref. Bot. Ctbl. 131, 1916, p. 357. 



351. Schmidt, J. Tu vestigations on hops. Vlll. On the flower- 

 ing time of plants raised by crossing. (C r. trav. Lab. Carlsberg 11, 

 1915, p. 188-198.) - Ref. Bot. Ctbl. 131, 1916, p. 357. 



352. Sirks, iVI. J. Die Natur der pelorischen Blüte. (Zeitschr. 

 f. ind. Abst. u. Vererbungslehre 14, 1915, p. 71-79.) - Ref Bot. Ctbl. 129, 

 1915, p. 627. 



353. Sirks, M. J. Sur quelques hybrides artificiels dans le 

 genre Verbascum L. (Arch. Neerl. Sc. exact. et natur. Ser. B, 3, 1916, p. 32 

 bis 43, 2 Tai.) - Ref. Bot. Ctbl. 138, 1918, p. 273. 



351. Stout, A. B. Seif and cross poUinations in Cichorium 

 intybus with reference to sterility. (Mem. N. York Bot. Gard. 6, 1916, 

 p. 333-154. 1 Taf.) 



355. Sturtevant, A. H. The behavior of the chromosomes as 

 studied through linkage. (Zeitschr. f. ind. Abst. u. Vererbungslehre 

 13, 1915, p. 234-287, 3 Fig.) - Ref. Bot. Ctbl. 132, 1916, p. 468. 



356. Surface, F. M. Studies on oat-breeding. III. On the 

 inheritance of certain glume characters in the cross Avena fatua 

 X A. sativa var. Kherson. (Proc. Nat. Acad. Sei. U. S. A. 2, 1916, p. 478 

 bis 484 und Genetics 1, 1916, p. 252-286.) - Ref. Bot. Ctbl. 140, 1919, p. 33 

 u. Z. f. i. A. u. V. 20, 1919, p. 51 u. 299. 



357. Surface, F. M. A note on the inheritance of eye pattern 

 in beans and its relation to the type of vine. (.Amer. Naturalist 

 50, 1916, p. 577-586.) - Ref. Bot. Ctbl. 134, 1917, p. 259 u. Z. f. i. A. u. V. 

 19, 1918, p. 314. 



358. Taninies, T. Die genotypische Zusammensetzung einiger 

 Varietäten derselben Art und ihr genetischer Zusammenhang. 

 (Rec. Trav. Bot. Neerl. XII, 1915, p. 219-277.) - Ref. Bot. Ctbl. 131, 

 1916, p. 648. 



359. Tammes, T. On the mutual effect of genotypic factors. 

 (Proc. kon. Acad. VVet. Amsterdam 18, 1915, p. 1056.) - Ref. Bot. Ctbl. 

 132, 1916, p. 233. 



