176 Psyche [Sept -Dec. 
the third instar of Cuterebra buccata (Fabricius) and I do not 
hesitate in referring it to this species. The posterior spiracular 
plates are shaped as in Knipling and Brody’s PL I, fig. 2 ; while 
the spines, which cover the body fairly uniformly, are as shown 
in their PL II, fig. 9, with simple, sharp, moderately long, slant- 
ing points. The normal larval hosts of C. buccata are wild and 
domestic rabbits, in which animals the mature third instar 
maggot reaches 26 to 32 mm. in length, so that the larva re- 
moved from man was about half -grown. 
In tropical America the maggot of the genus Dermatobia , a 
relative of Cuterebra , common in many types of mammals, has 
often been observed attacking man. A careful canvassing of 
the literature has, however, failed to disclose a previous case 
of human cutaneous myiasis due to Cuterebra either in North 
or in South America. F. C. Bishopp (1942, Proc. Ent. Soc. 
Washington, XLIV, p. 15) reported that a first instar maggot 
of an unidentified species of Cuterebra was removed from the 
nostrils of a person in Arlington Co., Virginia. This human case 
was also discussed by R. G. Beachley and F. C. Bishopp (1942, 
Virginia Med. Monthly, LXIX, pp. 41-42). 
