234 ^'^'^ Management and Diseases of the Dog. 



{Pentasioma icBmoides), which, as already stated, is the 

 adult representative of the Pentastoma denticulatuin, re- 

 siding in the viscera of the horse, as well as in the internal 

 organs of ruminants. (Fig. 31.) The illustration is from 

 Kiichenmeister. 



" In the full-grown state this creature dwells in the nasal 

 and frontal sinuses, our dogs commonly obtaining the worm 

 by frequenting butchers' stalls and slaughter-houses, where 

 portions of the fresh viscera are apt to be inconsiderately 

 flung to hungry animals." 



Professor Dick records a case of suspected poisoning in 

 the "Veterinarian" for 1840, in which he found death had 

 resulted from the presence of three of these pentastomes — 

 one in the larynx, one in the trachea, and a third in the left 

 bronchus. With regard to this case Dr. Cobbold observes : 

 "As these singular parasites appreciate warmth, I have no 

 doubt that the cold air" of the winter's morning (on which 

 the dog was taken out by the keeper) caused the downward 

 migration of the pentastomes, thereby also producing the 

 fatal suffocation." 



Respecting what Dr. Cobbold terms the "misnamed 

 maw-worms," so frequently seen on the fasces of dogs, " they 

 are," he remarks, " merely the semi-independent segments, 

 or proglottides of two of the larger species of tapeworm 

 which infest the dog, namely, Tcenia marginata and Tcenia 

 serrata. 



" It follows, therefore, that the treatment for this common 

 kennel-worm is the same as that for the tapeworm, seeing 

 that it is only a cast-off portion of the self-same entozoon. 



" Areca-nut powder is the best remedy ; but male fera 

 may be sometimes substituted with advantage. 



" I may add, that when santonine is employed for any 

 of the round worms, it should always be combined with a 

 purgative, if it is to prove effective. For this purpose 

 nothing is ordinarily better than castor-oil ; but 20 or 30 

 grains of aloes may be employed instead of the oil in 



