INDEX 



363 



Demodex folliculorum, 104 



var. canis, 104, 116 



var. ovis, 104, 112 



var. suis, 104, 115 

 Depluming mange of poultry, 133 

 Depluming mite, 101, 133 

 Dermacentor, 142 



electus, 143 



occidentalis, 143 



reticulatus, 143 



variabilis, 143 

 Dibothriocephalus latus, 185 

 Dibothrium latum, 185 

 Dicrocoelium laneeatum, 160, 163 

 Dictyocaulus arnfieldi, 261 



filaria, 221, 256 



viviparous, 259 

 Dioctophyme renale, 296 



visceralis, 296 

 Diphyllobothriasis, 185 



occurrence, 186 

 Diphyllobothriidffi, 160, 185 

 Diphyllobothrium latum, 185 

 Diplospora bigemina, 342 

 Dipping vats, 126 

 Dips, 48, 120, 125 

 Diptera, 18, 20 



parasitic families of, 23 



parasitism of, 23 

 Dipterous insects, 18, 23 

 Dipylidimn caninum, 68, 79, 178, 181, 



183 

 Dirofilaria immitis, 221, 248 

 Dispharagus hamulosus, 254 



nasutus, 254 



spiralis, 254 

 Distomeae, 156, 157 

 Distomiasis, 157, 163, 165 



of cattle, 166 



of the sheep, 165 

 Distomum americanum, 160 



hepaticum, 160 



lanceolatum, 160 



magnum, 160 



Dochmiasis, 291, 292 

 Dochmius cernuus, 293 



radiatus, 293 



stenocephalus, 292 



trigonocephalus, 291 

 Docophorus cygni, 86 



icterodes, 84 

 Dourine, 333 



control, 336 



federal control of outbreaks, 333 



infection, 333, 334 



stages in, 334 



symptoms, 334 

 Drepanidotaenia infundibuliformis, 189 

 Dysentery of cattle, 343 



E 



Earthworm, 216 

 Ecdysis, 13 



Echinococcosis, 183, 210 

 Echinococcus, 173, 181, 183,- 194, 210 



alveolaris, 212 



granulosus, 181, 183, 184, 194, 210 



multilocularis, 210, 212 



polymorphus, 181, 183, 210 

 Echinorhynchus gigas, 306 

 Ectozoa, 9 

 Eitneria avium, 345 



stiedffi, 342 

 El dourine, 333 

 Endoparasites, 9 

 Entameba, 326 



coli, 326 



histolytica, 326 

 Entero-hepatitis of turkeys, 325 

 Entozoa, 9 

 Erratic parasites, 8 

 Esophageal and gastric filariasis of the 

 dog, 250 



course, 251 



development, 251 



occurrence, 250 



pathogenesis, 250 



