HYPODERMA. Warble Fly. 



1. //. bo-jiis. J<2 in.; black; face pale gray and yellow; chest with a yellow and white 



band ; body with a yellow, black and reddish band. It lays its eggs on the backs of 



cattle. The maggots bore through the skin and produce tumors in which they live " ; / - 1 A'$s,-'V 



till full grown and then crawl out. , ' 



2. //. lincata. ^ in.; black, covered with gray hair ; black hairy on middle of body ; tail- (^ 



end yellow ; chest with indistinct stripes ; legs reddish yellow. Habits like the last. 



CUTEREBRA. Skin=boring Fly. 



1. C. ctiniculi. \ l /% in. ; black ; sides and hind portion of chest yellow hairy. 



Lives on rabbits. 



2. C. Jiorripilitm . i in. ; chest and first rings yellow hairy. 



3. C. anifricana. rg in. ; black ; sides of chest yellow with three black 



dots. 



4. C. ftuccata. ~% in.; grav : body steel-blue ; head and sides with black 



dots. Lives on squirrels. 



(61) 



