214 ENTOZOA FOUND IN MAN. 



that the use of this substance prevents the attacks 

 of the Guinea-worm, and causes its more speedy 

 expulsion, should it happen to be present ; Bremser 

 mentions, on the authority of Dubois, that the Brah- 

 mins, who season their food very strongly with 

 assafoefcida, are never affected by Guinea-worm. 

 Aloes, garlic, pepper, camphor, tobacco, sulphur, and 

 the different mercurial preparations, have all been 

 admuiistered internally, or applied externally ; and 

 various plants, known only to the natives of Africa 

 and of India, are said to be successfully employed by 

 them to produce the death of the worm. 



The protection of the feet and other parts of the 

 body against dust and moisture by means of suitable 

 covering, ought to be always adopted in those coun- 

 tries in which the Guinea-worm is endemic. 



Chapter XXX. 



ENTOZOA situated IN THE EYE AND ITS 

 APPENDAGES. 



The entozoa which are found in the interior of the 

 eye in Man, and in animals,^ belong to those species 



^ Entozoa have been found in the eyes of horses, horned 

 cattle, pigs, sheep, birds, and fishes, and most probably exist 

 occasionally in the same situation in all other species of Verte- 

 brata. A nematoid worm, the Jilaria papillosa, has been often 

 met with in the anterior chamber of the eye of horses which have 

 been permitted to graze in certain low-lying districts of India, 

 soon after the periodical rainy season. 



