SEXUAL CHARACTERISTICS OF THELIA 633 
CHAPIN, CaTHAaRINE L. 1917 A microscopic study of the reproductive system 
of foetal free-martins. Jour. Exp. Zodél., vol. 28, no. 2, pp. 453-478, 
16 text figs. 
Cockayne, E. A. 1915 Gynandromorphism and kindred problems. Journ. of 
Genetics, vol. 5, no. 2, pp. 75-128, 4 pl., 10 text figs. 
Crampron, H. E. 1899 An experimental study upon Lepidoptera. Arch. 
Entw.-Mech., Bd. 9, 8. 293-318, pl. 11-13, 13 text figs. 
Doncaster, L. 1914 Chromosomes, heredity and sex: a review of the present 
state of the evidence with regard to the material basis of hereditary 
transmission and sex-determination. Quart. Journ. Micr. Sci., N. 8S., 
vol. 59, no. 236, pp. 487-521, 4 text figs. 
Duncan, F. N. 1915 A note on the gonads of gynandromorphs of Drosophila 
ampelophila. Amer. Natural., vol. 49, no. 583, pp. 455-456. 
Foot, KATHERINE, AND STROBELL, E. C. 1914 Preliminary report of crossing 
two hemipterous species, with reference to the inheritance of a second 
exclusively male character. Biol. Bull., vol. 27, no. 4, pp. 217-234, 
pl sk; 
1915 Results of crossing two hemipterous species, with reference to 
the inheritance of two exclusively male characters. Journ. Linn. Soc. 
London, Zool., vol. 32, pp. 457-487, pl. 41-47. 
1917 a Results of crossing Euschistus variolarius and Euschistus 
servus, with reference to the inheritance of an exclusively male char- 
acter. Journ. Linn. Soc. London, Zool., vol. 32, pp. 337-370, pl. 28- 
34, 2 text figs. 
1917 b Results of crossing Euschistus variolarius and Euschistus 
ictericus, with reference to the inheritance of two exclusively male 
characters. Biol. Bull., vol. 32, no. 5, pp. 322-336, pl. 1+. 
Fowier, W. W. 1903 Biologia Centrali-Americana. Insecta. Rhynchota. 
Hemiptera-Homoptera, vol. 2, part 1, 339 pp., 21 pl. 
FunkHovuser, W. D. 1915 Life history of Thelia bimaculata Fab. (Mem- 
bracidae). Ann. entom. Soc., Amer., vol. 8, no. 2, pp. 140-151, pl. 9. 
1917 Biology of the Membracidae of the Cayuga Lake basin. Cor- 
nell Univ. Agric. Exp. Stat. Memoir 11, pp. 181-445, pl. 23-44, 6 text 
figs. 
Firtu, Orro von 1903 Vergleichende chemische Physiologie der niederen 
Tiere. Fischer, Jena. 670 S. 
Ganan, A. B. 1918 An interesting new hymenopterous parasite. Canad. 
Entom., vol. 50, no. 5, pp. 151-152. 
GaTENBY, J.B. 1917 Note on the sex of a tadpole raised by artificial partheno- 
genesis. Quart. Journ. Micr. Sci., N. S., no. 246, vol. 62, pt. 2, pp. 
213-216, 5 text figs. 
Geyer, Kurr. 1913 Untersuchungen iiber die chemische Zusammensetzung 
der Insektenhaemolymphe und ihre Bedeutung fiir die geschlechtliche 
Differenzierung. Zeitschr. f. wiss. Zool., Bd. 105 8. 350-499, Taf. 20- 
22, 58 textfig. 
GrarpD, A. 1886 De ’influence de certains parasites rhizocéphales sur les char- 
actéres sexuels extérieurs de leur héte. C. R. Acad. Sci. Paris., T. 
103, pp. 84-86. 
