544 



INDEX 



Dermatobia hominis, and mosquitoes, 

 451-453, 514; objections to 

 mosquito-transmission theory, 

 452; transmitting mosquitoes, 

 453; 613-516; description, 513- 

 514; manner of reaching host, 

 514; effects, 514-515. 



Dermatophilus penetrans, 418-420. 



DE SILVA, P., 83. 



Dibothriocephalidae, larvae of, 235; 

 characteristics, 239; important 

 species of, 245-247; Sparganum 

 larva of, 251. 



Dibothriocephalus latus, 246-247. 

 cordatus, 247. 



Dicrurus ater, natural enemy of tsetse 

 flies, 503. 



Diemyctylus torosus, natural enemy 

 of mosquitoes, 461. 



Dioctophyme renale, 200. 



Diplogonoporus grandis, 247. 



Diplozoa, 26. 



Diptera, 326; characteristics, 330; 

 425; 463-464; importance, 463; 

 general structure, 463-464; life 

 histories, 464-466; classifica- 

 tion, 466; parap ; t or. tcctiv ily 

 pupae. 503; and myiasis, 509. 



Dipylidium caninum, 246; and fleas, 

 414, 415, 417. 



Dirt-eating, in hookworm disease, 

 262. 



Diseases, conquest of, 2; ignorance 

 of, 4; causation by germs, 6; 

 transmission by arthropods, 7-8, 

 322-323. 



Disinfection, of mosquito bites, 307; 

 of tick bites, 367; to eradicate 

 lousiness, 402-403. 



Dixa, 425. 



DIXON, S. G., 462. 



LT,->\NE, R. W., 414. 



DOERR, Jl., 470. 



Dog flea, seev Ctenocephalus canis. 



Dogs, and infantile kala-azar, 82, 83; 

 and oriental skre, 86; Trypano- 

 soma gambiense in, 108; host of 

 Trypanosoma cruzi, 112; sus- 



ceptible to lung fluke infections, 

 220; host of Clonorchis sinensis, 

 224; host of Opisthorchis, 225; 

 Dipylidium caninum, 245; host 

 of Dibothriocephalus cordatus, 247; 

 Echinococcus granulosus, 247, 248, 

 250-251; hosts of Ancylostoma 

 ceylanicum, 255; more parasites 

 than cats, 266; trichina, 288; 

 Demodex, 347; Linguatula rhina- 

 ria, 349-350; Dermacentor vari- 

 abilis, 367; and bedbugs, 375; 

 inability of human lice to draw 

 blood from, 393; host of Pulex 

 irritans, 414; fleas, 416-417; 

 Echidnophaga gallinacea, 420; 

 destruction of fleas on, 422; 

 Dermatobia in, 513; Cordylobia 

 anthropophaga in, 518. 



Dog ticks, see Dermacentor variabilis 

 and Ixodes ricinus. 



Dongola, blackflies in, 482. 



DONOVAN, C., 7, 74, 377. 



Dracunculus medinensis, 311-314; 

 distribution, 311; life history, 

 312-313; extraction and pre- 

 vention, 314. 



Dragon-flies, natural enemy of tsetse 

 flies, 503. 



DUBINI, A., 7. 



Ducks, natural enemies of mosqui- 

 toes, 462. 



Dumdum fever, see Kala-azar. 



DUTCHER, B. H., 305. 



DUTTON, J. E., 7, 8, 359. 



Dwarf tapeworm, see Hymenolepis 

 nana. 



DYAR, I., 429, 437, 444, 447, 458. 



Dysentery, types of, 131; rdle of 

 amebae, 131-132. 



Dysentery ameba, see Endamceba 

 histolytica. 



Dysodius lunatus, 382-383. 



Ear tick, see Otiobius mgnini. 

 East Coast fever, of cattle, 168. 

 East Indies, gangosa, 64; blackwater 

 fever, 161; land-leeches, 319; 



