424 INTRODUCTION TO CYTOLOGY 



1907. The chromosomes of Droaophila ampdophila. Proc. 7th Internal. Zool. 

 Congress, Boston. 



1908o. The chromosomes in Diabrotica vittata, Diabrotica soror, and Diabrotica 



12-punctata. Jour. Exp. Zool. 5 : 453-470. 3 pis. 

 19086. A study of the germ cells of certain Diptera, with reference to thehetero- 



chromosomes and the phenomena of synapsis. Ibid. 5 : 359-374. pis. 4. 

 191 la. Preliminary note on heterochromosomes in the guinea pig. Biol. Bull. 



20: 121-122. figs. 5. 



19116. Heterochromosomes in the guinea pig. Ibid. 21: 155-167. figs. 35. 

 191 Ic. Further studies on heterochromosomes in mosquitoes. Ibid. 20: 109-120. 



figs. 38. 

 1912. Supernumerary chromosomes and synapsis in Ceuthophilus (sp?). Ibid. 22 : 



219-231. figs. 35. 

 STOMPS, T. J. 1912. Mutation in CEnothera biennis L. Biol. Centr. 32: 521-535. 



Ipl. 



1912. Die Entstehung von CEnothera gigas. Ber. Deu. Bot. Ges. 30: 406-416. 



1919. Gigas-mutation mit und ohne Verdoppelung der Chromosomenzahl. Zeit. 

 Ind. Abst. \ererb. 21: 65-90. pis. 3. figs. 4. 



STOUT, A. B. 1919. Intersexes in Plantago lanceolata. Bot. Gaz. 68: 109-133. pis. 



12, 13. 



STRASBURGER, E. 1877. Ueber Befruchtung und Zelltheilung. Jen. Zeitschr. 11. 

 1884. Neue Untersuchungen iiber die Befruchtungsvorgang bei den Phanero- 



gamen, als Grundlage fur eine Theorie der Zeugung. Jena. 



1900. Versuche mit diocischen Pflanzen an Riicksicht auf Geschlechtsverteilung. 

 Biol. Centr. 20: 657-665, 689-698, 721-731, 753-785. 



1908. Chromosomenzahlen, Plasmastrukturen, Vererbungstrager und Reduktions- 

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1909. Zeitpunkt der Bestimmung des Geschlechts, Apogamie, Parthenogenesis 

 und Reduktionsteilung. Hist. Beitr. 7: 1-224. 3 pis. 



1910o. Ueber Geschlechtsbestimmende Ursachen. Jahrb. Wiss. Bot. 48 : 427-520. 



pis. 9, 10. 



19106. Chromosomenzahl. Flora 100: 398-446. pi. 6. 

 STRONG, R. M. 1912. Results of hybridizing ring-doves, including sex-linked 



inheritance. Biol. Bull. 23 : 293-320. 

 STURTEVANT, A. H. 1913. The linear arrangement of six sex-linked factors in Droso- 



phila, as shown by their mode of association. Jour. Exp. Zool. 14: 43-59. 

 1915a. The behavior of the chromosomes as studied through linkage. Zeitschr. 



Ind. Abst. Vererb. 13 : 234-266. 



19156. No crossing over in the female of the silkworm moth. Am. Nat. 49 : 42-44. 

 1917. Crossing over without chiasmatype? Genetics 2 : 301-304. 



1920. Intersexes in Drosophila simulans. Science 51 : 325-327. 

 STURTEVANT, A. H., BRIDGES, C. B., and MORGAN, T. H. 1919. The spatial relation 



of genes. Proc. Nat. Acad. Sci. 6 : 168-173. 

 SUTTON, W. S. 1902o. On the morphology of the chromosome group in Brachystola 



magna. Biol. Bull. 4: 24-39. figs. 11. 



19026. The chromosomes in heredity. Biol. Bull. 4: 231-251. 

 SWINGLE, W. W. 1917. The accessory chromosome in a frog possessing marked 



hermaphroditic tendencies. Biol. Bull. 33 : 70-90. pis. 1-6. 

 TACKHOLM, G. 1920. On the cytology of the genus Rosa. A preliminary note. 



Svensk. Bot. Tidskr. 14: 300-311. figs. 3. 

 THOMPSON, W. P. 1912. Artificial production of aleurone grains. Bot. Gaz. 64: 



336-338. 

 THOMSON, J. A. 1899. The Science of Life. London. 



1913. Heredity. 2d ed. London and New York. 



