40 STRUCTURE OF CERTAIN DIPTEROUS LARV^. 



Page. 



Cherries, food of fruit-flies 10 



Rhagoletis cingulata 33 



Chrysomyia (?), larva, description and host 20 



viacellaria, {see also Screw-worm). 



larva, description, hosts 19 



Cordylobia, larva, systematic position 22 



Corn, food of Euxesta thorns^ 34 



Cow dung {see also Manure and Feces). 



food of Lyperosia irritans 23 



Pseudopyr cilia cornicina 23 



Currants, food of Epochra canadensis 33 



Cynomyia, number of eggs deposited 12 



Daeus cucwrhitx, larva, description and occurrence 32 



fcrrugineus, larva, description 31-32 



Dasyphora, larva deposited in third stage 12 



lasiophthalma, habits 12 



pratorum, habits 12 



structure of larvae 25 



Dipterous larva", bearing on classification 37 



occurring in human foods, classification 13 



general characters 13-15 



life history 12-13 



structure 1-38 



bibliography 38 



synopsis of groups 15 



man 9-11 



Dog, host of Bengalia fly 11 



Stomoxys calcitrans 25 



intestinal lesions caused by cheese skipper 11, 35 



Drosophila amoena, structure of larva 36 



ampelophila, structure of larva - 36 



bibliographic reference 38 



cephalopharyngeal skeleton 37 



Drosophilidae, structure and occurrence of larvae 35-30 



Epochra canadensis, larva, description and occurrence 33 



Eristalis, internal myiasis thereof 13 



Euxesta, cephalopharyngeal skeleton 36 



thomae, larva, description and occurrence 34 



Feces {see also Manure and Cow dung). 



human, food of Sarcophaga 16 



Fish, host of Chrysomyia (?) 20 



Floor maggot, Congo (see also Auchmeromyia luteola). 



parasite of man 11 



Fruit, decaying, food of Musca domestica 23 



Sepsidse 35 



flies, food, occurrence in man 10 



food of Muscina group 26 



overripe, food of Drosophila 36 



Fusiform areas of dipterous larva 14 



Glossina {see also Tsetse flies). 



structure of larvae 25 



systematic position from larval standpoint 37 



Gooseberries, food of fruit-flies 10 



