218 



Page. 



(Esophagoatoma dcutum 1(38 



(Eaophagoatoma columUmum 16, 17,30, 21, 22, 118, 145, 161, 162 



description 167 



determination of adult 166 



disease caused by 169 



diagnosis 172 



pathology 169 



prevention 173 



distribution 165 



figures 174,176, 178, 180 



investigation concerning 165 



life liistory 168 



occurrence 168 



(Eatrusovis 16, 17, 19,20,25,85 



description 25 



of larvae 26 



effects on sheep 27 



figures 34, 36, 38 



occurrence 30 



pathology 28 



treatment 31 



surgical , 33 



Paper skin , 185,201 



Parasites, abundance 9 



animal 17 



common to sheep and dog 14 



external, definition of 18 



destructiveness 22 



how sheep become infested 19 



length of time of development 20 



location 18 



of the skin 39 



seasonal appearance 21 



vegetable 17 



Parasitic diseases the chief source of losses .. 9 



Pastures, as a source of infection 13 



care of 13 . 



PeniastonM denticulalnm 69 



Pentaatoma toenioidea 69 



Phthiriasis 39,45 



Pneumonia, verminous 185, 186 



Paoroptea communis, var. ovia 16, 17, 53, 56 



disease caused by 56 



diagnosis 57 



differential 59 



pathology.. 57 



prognosis .58,59 



source of contagion 58 



symptoms of 56 



treatment medicinal 60 



preventive 56 



figures , 66,68 



legislation concerning 64 



Purchasing sheep, examinations in 15 



