GENERATION OF ANIMALS 



BK. CH. 



IV. 3 Relapses : 



Father to grandfather, then to greatgrandfather, etc. 

 Mother to grandmother, then to greatgrandmother, etc. 

 This is applicable to the parts as well as to the whole tiody. 

 (g) Furthet departures : unevenly developed individuals. 

 (A) Earlier theories of resemblances examined. 

 (»■) Monstrosities : 



(1) fancied resemblance to animals ; 

 4 (2) with redundant parts ; 



(3) deficient in parts. 

 (j) Connexion of this with the number of young produced. 

 (k) Reason for the redundance of parts. 

 (0 Other irregular formations. 



Varia 



5 Superfetation. 



6 Degree of perfection of the young at birth. 



In human beings, more males bom deformed than fe- 

 males. The female itself is a deformity, though a natural 

 deformity. 



7 The mola uteri. 



8 Milk. The heart controls the production of milk, a.s it 

 does the production of the voice. >Iilk is concocted blood. 



9 Animals are bom head first. 



10 Length of gestation-period. The periods of animals are 



governed by cosmic periods. 



Secondary Characteristics 



V. 1 Introductory. This part of the work is concerned with 



characteristics which are due entirely to Necessity (i.«., the 

 Motive and Material Causes), and in no way to the Final 

 Cause. 



(a) Embr>-os are mostly asleep. 



(6) Colour of eyes. 



(e) Keenness of sight, due (1) to the amount of fluid in the 

 eyes ; (2) to the condition of the skin on the pupil. 

 There are two senses of " keenness " : ability to see at a 

 distance ; ability to distinguish colours. 



2 (d) Keenness of smell and hearing. 



Digression on the inner mechanism of the senses. 



3 (e) Hair : thickness, curliness, rigidity, baldness and 



moulting. 



4 (/) Colour of hair, in man, and in other animals. 



6 (g) Coloration of animals. Colour of tongue. Seasonal 



colour-changes. General remarks on colour. 



7 (A) Voice. 



8 (t) Teeth : order of growth, etc. 



(j) The relation of the Material and Motive Causes (Necessity) 

 to the Final Cause. 



Ixxv 



