248 Journal Xew York Entomological Society. [^^°'- xxii. 



had opened barrels of gasoline, were suddenly overcome by the fumes 

 and plunged " head first " into the oil. Large gasoline tanks which 

 have been recently emptied are dangerous for men to go into, and 

 require about twenty-four hours of ventilation before they are safe 

 for a human being to enter. 



Bibliography. 



1907. Hooper, F. Killing Fruit Flies. Jour. Dept. Agric, Western Austra- 

 lia, p. 395- 



1907. Williams, J. P. Fruit Fly. Jour. Dept. Agric, Western Australia, pp. 



696-7. 



1908. Lounsbury, C. P. Supplementary Note by Government Entomologist. 



Repr. Agric. Jour., May, No. 18, Cape of Good Hope, pp. 6-8. 

 1910. Gurney, W. B. Fruit Flies and Other Insects Attacking Cultivated and 



Wild Fruits in New South Wales. Dept. Agric, New South Wales, 



Farmers' Bull. No. 55, pp. 1-3 1. 

 1912. Scverin, H. H. P., and Hartung, W. J. The Flight of Two Thousand 



Marked Male Mediterranean Fruit Flies (Ceratitis capitata Wied.). 



Ann. Ent. Soc. Am. V, No. 4, pp. 400-7. 

 1912. Howlett, F. H. The Effect of Oil of Citronella on Two Species of 



Dacus. Trans. Ent. Soc. London, pt. H, pp. 412-S. 



ON THE MISUSE OF THE TERMS PARAPTERON. 



HYPOPTERON, TEGULA, SQUAMULA, PATA- 



GIUM AND SCAPULA.i 



By G. C. Crampton, 



Amherst, M.ass. 



One of the terms most frequently misapplied by writers on insect 

 morphology, is the designation parapteron. Each of the lined areas 

 in fig. 2 {i. c, pa, pas, prs. aha, pba, and aes) as well as the sclerites 

 sur, npt, and sa have been designated as the " parapteron." Since it 

 is quite evident that all of these cannot be so termed, without creat- 

 ing confusion, it may be of some interest to attempt to establish the 

 correct application of the designation parapteron, as intended by its 

 author. 



1 Contribution from the Entomological Laboratory of the Massachusetts 

 Agricultural College, Amherst, Mass. 



