INDEX 



371 



Otacariasis of the cat, US 



occurrence, 118 



treatment, 131 

 Otacariasis of the dog, 1 17 



occurrence, 117 



prognosis, 117 



symptoms, 117 



treatment, 131 

 Otacariasis of the rabbit, 118 



course, 118 



symptoms, 119 



treatment, 131 

 Otobius megnini, 159 

 Otodectes, 101, 103, 115, 117 



parasitism, 103 

 Otodectes cynotis, 115, 117 

 Oviparous, application of the .term, 



219 

 Oviposition, 18, 219 

 Ovipositor, 18 

 Ovoviviparous, apphcation of the 



term, 219 

 Ox bot flies, 57 



effect of bots, 62 



life history, 58 



occurrence, 57 



treatment, 62 

 Ox warbles, 53, 57 

 Oxyuriasis, 236 



effect, 236 



occurrence, 236 

 treatment, 237 

 Oxyuridae, 222, 235 

 OAjmrina, 226 

 Oxyuris, 226 



curvula, 235 

 equi, 235 

 mastigodes, 235 



Parasites, alternation of hosts in, 5, 8 

 Parasites, determiaate transitory, 8 



determinate erratic, 8 



erratic, 8 



fixed, 8 



heteroxenous, 8 



incidental, 8 



monoxenous, 8 



optional occasional, 8 



permanent, 8 



stray, 8 

 Parasites, development of patho- 

 genicity in, 315 

 Parasites, external, 9 



internal, 9 

 Parasites, factors influencing injury 

 by, 10, 315 



age of host, 11 



location, 10, 315 



movements, 10 



nature of food, 10 



number present, 10 

 Parasites, influence upon host, 10, 315 

 Parasites, systematic position of, 6 

 Parasitic diseases, terms used in, 9 

 Parasitism, 2, 3, 7, 315 



adaptation to, 3, 4, 315 



degeneration in, 3, 4 



factors leading to, 1, 6, 315 



forms of, 7 



functions involved in adaptation 

 to, 3 



range of, 3 



reproductive function in, 4 

 Parasitism, evolution of, 315 

 Parthenogenesis, 15, 322 

 Pathogenic Protozoa, 311, 324 



arthropods as carriers of, 23, 315 

 Pedicuhdse, 21, 70 

 Pediculosis of the cat, 79 



control, 80 



occurrence, 79 



treatment, 81 

 Pediculosis of cattle, 74 



control, 80 



indications of, 75 



location, 75 



treatment, 81 



