TEANSMIGRATIONS AND METAMORPHOSES. 



243 



in which he said that nervous tarantism existed during 

 two centuries in Europe, as an epidemic malady. 

 According to him, there pre- 

 vails at present in the province 

 of Tigre, in Abyssinia, a sort 

 of chorea, or endemic musico- 

 mania, which has a great ana- 

 logy with tarantism ; it is the 

 "Tigretier." Nothing but music 

 and dancing can have any 

 beneficial effect during the 

 crisis ; but these means would 

 evidently be inefficacious in 

 trichiniasis. 



The Trichina is a nematode 

 worm, and not an insect, as 

 it was at first called. Let us imagine an extremely 

 slender pin, such as entomologists employ to fasten the 

 smallest insects, rolled upon itself in a spiral form so as 



Fig. 70.— Trichina. 



I 



1 



wmm 



Fig. 71.— Trichina, rolled up in a muscle. 



to lodge in a cavity hollowed out in the midst of the 

 muscles, in a space not larger than a grain of millet. 



