NO. 8 INSECT ABDOMEN SNODGRASS 145 



Crampton, G. C. 



1917. A phylogenetic study of the terminal abdominal segments and ap- 

 pendages in some female apterygotan and lower pterygotan insects. 

 Journ. New York Ent. Soc, vol. 25, pp. 225-237, pis. 16, 17. 



1920. Terminal abdominal structures of the primitive Australian termite, 

 Mastotermes darwinensis Froggatt. Trans. Ent. Soc. London, 

 1920, pp. 137-145, pl- 4- 



1923. A comparison of the terminal abdominal structures of an adult alate 

 female of the primitive termite Mastotermes darwinensis with those 

 of the roach Periplaneta americana. Bull. Brooklyn Ent. Soc, 

 vol. 18, pp. 85-93, 2 figs. 



1925. The external anatomy of the head and abdomen of the roach, Peri- 



planeta americana. Psyche, vol. 32, pp. 195-220, pis. 5-7. 



1927. The abdominal structures of the orthopteroid family Grylloblattidae 

 and the relationships of the group. Pan-Pacific Ent., vol. 3, pp. 115- 

 135, ID figs. 



1929. The terminal abdominal structures of female insects compared through- 

 out the orders from the standpoint of phylogeny. Journ. New York 

 Ent. Soc, vol. 37, pp. 453-496, pis. 9-16. 

 Demandt, C. 



1912. Der Geschlechtsapparat von Dytiscus marginalis L. Zeitschr. wiss. 

 Zool., vol. 103, pp. 171-299, 74 figs. 



DOYERE. 



1837. Observations anatomiques sur les organes de la generation chez la 

 cigale femelle. Ann. Sci. Nat. Paris, ser. 2, Zool., vol. 7, pp. 200- 

 206, pl. 8. 

 Du Porte, E. M. 



1920. The muscular system of Gryllus assimilis Fabr. Ann. Ent. Soc. 

 America, vol. 13, pp. 16-52, pis. 1-7. 

 Ekblom, T. 



1926, 1930. Morphological and biological studies of the Swedish families of 



Hemiptera-Heteroptera. Zoologiska Bidrag fran Uppsala, vol. 10. 

 pp. 31-180, 267 figs.; vol. 12, pp. 113-150. 109 figs. 

 Ford, Norma. 



1923. A comparative study of the abdominal musculature of orthopteroid 

 insects. Trans. Roy. Canadian Inst., vol. 14, pp. 207-319, pis. 7-23. 

 George, C. J. 



1929. The morphology and development of the genitalia and genital ducts 

 of Homoptera and Zygoptera as shown in the life histories of 

 Philaenus and Agrion. Quart. Journ. Micr. Sci., vol. 72, pp. 447- 

 485, pis. 27-29. 

 Gerry, B. I. 



1932. Morphological studies of the female genitalia of Cuban mosquitoes. 

 Ann. Ent. Soc. America, vol. 25, pp. 31-64, 6 pis. 

 Hargitt, C. W. 



1923. The digestive system of the periodical cicada. II. Physiology of the 

 adult insect. Biol. Bull., vol. 45, pp. 200-212. 

 Heberdey, R. F. 



193 1. Zur Entwicklungsgeschichte, vergleichenden Anatomic und Physi- 

 ologic der weiblichen Geschlechtsausfiihrwege der Insekten. 

 Zeitschr. Morph. Okol. Tiere, vol. 22, pp. 416-586, 85 figs. 



