LECTURE tlV 301 



ence in the organization of the cicatricula 

 of these and other eggs. He says, that there 

 is the same appearance of opake spots in 

 the circumference of the areola at a little 

 distance from its disk, and the same kind 

 of central opacity, which, after the heat 

 of incubation has been applied for some 

 time, become, according to Mr. Hunter's 

 description of them, a zone of bloody 

 points where vessels form, which after- 

 wards communicate with other vessels pro- 

 ceeding from the centre. 



There have been some persons, who, 

 from thinking formation impossible, have 

 been led on to suppose that the rudiments 

 of all mankind existed in their first pa- 

 rents. There are manv who believe that 

 there is some primary fibre from which all 

 the rest are produced. I would ask them 

 how and where they suppose this fibre to 

 be formed? If they answer in the ovary, 

 they even then admit Mr. Hunter's opinion, 

 that life has the power of forming a fibre. 

 The ovum is formed in the ovarium by a 



