544 



INDEX 



rium, 246-247; 312, 313-314. 

 Cyclorrhapha, 465, 466. 

 Cyprinodontidse, natural enemies of 



mosquitoes, 460. 

 Cysticercoid, nature of, 235. 

 Cysticercus, nature of, 235. 



bovis, thermal death point, 237- 



238; effect of cold storage, 238; 



description, 240. 

 celluloses, thermal death point, 



237-238; effect of cold storage, 



238; description, 241; hosts, 



241-242; in man, 251. 

 Cytopyge, 31. 

 Cytoryctes variolce, 170; see also 



guarneiri bodies. 

 Cytostome, 31. 



Dahomey, absence of sleeping sick- 

 ness in, 501. 

 DA MATTA, A., 92. 

 DARLING, S., 129, 175. 

 DARWIN, CHAS., 4, 381. 

 Dasypus novemcinctus, host of Try- 



panosoma cruzi, 112. 

 Datura stramonium, for fumigation 



of mosquitoes, 4^6. 

 Davainea madagascariensis, 244. 



formosana, 244. 



Deer, host of Pulex irritans, 414. 

 Deerfly, see Chrysops. 

 DEKRUIF, P. H., 23-25. 

 DEMARQUAY, J. N., 7. 

 Demodecidse, 333, 346. 

 Demodex folliculorum, 346-348; life 

 history, 347; and leprosy, 347. 

 Dengue, relation of mosquitoes to, 8, 

 183, 448-449; parasites of, 182- 

 183; 182-184; prevention, 184. 

 DE RAADT, O. L. E., 399, 417. 

 Dermacentor, 366; Rickettsia in, 



185, 186. 



andersoni, see D. venustus. 

 ocddentalis, effects of bite, 358- 

 359, 366; possible transmitter 

 of spotted fever, 363, 366-367. 

 variabilis, 367. 

 venustus, transmission of spotted 



fever, 188-189; and tick paral- 

 ysis, 358; description, 361-363. 



Dermacentroxenus rickettsi, 188, 191. 



Dermanyssus gailinoe, 341. 



Dermatobia hominis, and mosquitoes, 

 451-453, 514; transmitting 

 mosquitoes, 453; 513-515; 

 description, 513-514; manner 

 of reaching host, 514; effects, 

 514-515. 



Dermatophilus penetrans, 418-420. 



DESCHIENS, R., 125. 



DE SILVA, P., 83. 



Desvoidea obturbans, and dengue, 183, 

 448. 



Diaptomus, intermediate host of Di- 

 , phyllobothrium, 246-247. 



Dibothriocephalidse, larvae of, 235; 

 characteristics, 239; important 

 species of, 245-247; Sparganum 

 larva of, 251. 



Dibothriocephalus, see Diphyllo- 

 bothrium. 



Dicrurus ater, natural enemy of 

 tsetse flies, 503. 



Diemyctylus torosus, natural enemy 

 of mosquitoes, 461. 



Dientamoeba, 132. 

 fragilis, 132, 142. 



Dioctophyme renale, 200. 



Diphyllobothrium latus, 246-247. 

 cordatus, 247. 



Diplocercomonas, 122. 



Diplogonoporus grandis, 247. 



Diplozoa, 26. 



Diptera, 326; characteristics, 330; 

 425; used by Dermatobia, 452, 

 514; 463-464; importance, 

 463; general structure, 463- 

 464; life histories, 464-466; 

 classification, 466; parasites on 

 tsetse fly pupse, 503; and my- 

 iasis, 509. 



Dipylidium caninum, 245; and fleas, 

 414, 415, 417. 



Dirt-eating, in hookworm disease, 262. 



Diseases, conquest of, 2; ignorance 

 of, 4; causation by germ, 6; 



