258 WORM S. 



creation. Some avow their animalcula^ or 

 ^gg^i to take place in the impurities of flimy 

 mucus, accumulated in the ftomach, and there 

 brought to perfedion ; others affert their form- 

 ation and confequent progrefs to be carried on 

 m the inteflines; and many are not without 

 belief that the amma/cu/a, or eggs^ are conveyed 

 into the body with a part of the vegetable 

 world upon which they fubfift, and there 

 brought to their (late of perfedion. 



I fhall barely venture to hint at ih^pojjibiliiy 

 of their undergoing (in fhape or appearance) 

 in the different parts of the body, as iho, Jio- 

 mach^ inteftines, or reSlwn, thofe changes that 

 we well know take place in iho Jilk worm, ca^ 

 terpillar, Src. feeming to conftitute a different;, 

 fpecies, though the contrary is univerfally prov- 

 ed by eVen_ ocular demonftration of the very 

 zdi of mutation » As enlarging upon the great 

 confiftency and probability of this circuraftance 

 can only extend the field for imagination, with- 

 out adding at all to the utility or elucidation of 

 the fubjedl:, that indeterminate point fliall re- 

 main undifturbed, v/hlle we proceed to the 

 more material invefiigation of confeq uences and 

 cure. 



Whatever 



