544 



INDEX 



Dermatobia hominis, and mosquitoes, 

 451-453, 514; objections to 

 mosquito-transmission theory, 

 452; transmitting mosquitoes, 

 453; 513 515; description, 513- 

 514; manner of reaching host, 

 514; effects, 514-515. 



Dermalophilm penetrarus, 418 420. 



De Silva, p., 83. 



DibothriocephaUdic, larva? of, 235; 

 characteri.stics, 239; important 

 species of, 245-247; Sparganum 

 larva of, 251. 



Dibothriocephnla.s hitu.'<, 246-247. 

 cordatu-s, 247. 



Dicrurus ater, natural enemj' of tsetse 

 flies, 503. 



Diemyctijlus torosus, natural enemy 

 of mosquitoes, 461. 



Dioclophytne renale, 200. 



Di plogoiwporus grandis, 247. 



Diplozoa, 20. 



Diptera, 320; characteristics, 330; 

 425; 463-464; importance, 403; 

 general structure, 403-404; life 

 histories, 464-466; classifica- 

 tion, 466; parasites on tsetse fly 

 pupa^, 503; and mjaasis, 509. 



Dipylidiuni caninum, 245; and flea.s, 

 414, 415, 417. 



Dirt-eating, in hookworm disea.se, 

 262. 



Diseases, conquest of, 2; ignorance 

 of, 4; cassation by germs, 6; 

 transmission by arthropods, 7-8, 

 322-323. 



Disinfection, of mosquito bites, 307; 

 of tick bites, 307; to eradicate 

 lousiness, 402-403. 



Dixa, 425. 



Dixon, S. G.. 462. 



DoA.NK, R. W., 414. 



DoERR. R., 470. 



Dog fle;i, see Ctrnnrrphnhts canifi. 



Dogs, and infantile kala-azar, 82, S3; 

 an<l oriental .sore, 80; Tri/pnvo- 

 samii qatnhienne in, 108; lio.sl of 

 Tryjmnnnnmn cruzi, 112; sua- 



ceptible to lung fluke infections, 

 220; host of Clonorchis sinensis, 

 224; host of Opv^lhorchis, 225; 

 Dipylidium caninum, 245; host 

 oi Dibolhriocephal us cordatus, 247; 

 Echinococcu.f granulosus, 247, 248, 

 250-251; ho.sts of Ancylostoma 

 ceylayncum, 255; more para.sites 

 than cats, 266; trichina, 288; 

 Demodex, 347 ; Linguatida rhina- 

 ria, 349-3.50; Dcrmacentor vari- 

 abilis, 367; and bedbugs, 375; 

 inability of hmnan 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 Dermacenlor variabilis 

 and Ixodes ricinus. 



Dongola, blackflies in, 482. 



Donovan, C, 7, 74, 377. 



Dracunculus inedinensis, 311-314; 

 distribution, 311; life hi.story, 

 312-313; extraction and pre- 

 vention, 314. 



Dragon-flies, natural enemy of tsetse 

 flies, 503. 



DuBiNn, A., 7. 



Ducks, natural enemies of mosqui- 

 toes, 462. 



Dimidum fever, see Kala-azar. 



DuTCHER, 13. H., 305. 



DuTTON, J. E., 7, 8, 359. 



Dwarf tapeworm, sec Hrjmenolepis 

 nana. 



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



Dysentery, types of, 131; r61e of 

 amebie, 131-132. 



Dy.sentery ameba, see Endamaeha 

 hislolytim. 



Dysodius lutialius, 382-383. 



Ear tick, se<^ Oliohins mignini. 

 Ea.st Coast fever, of cattle, 1(58. 

 East Indies, gangosa, 64; blackwater 

 fever, Ull; l.iiid-leeches, 319; 



