492 On the Nervous Systems of 
The wisdom and power of the Creator are, 
perhaps, no where more strikingly evinced than 
in the wonderfully diversified structure of the 
animal kingdom. We find an almost infinite 
variety in the organs, subservient to each of 
the numerous functions of the animal body, and 
yet each function performed in the manner, best 
adapted to the particular economy of every diss 
tinct species, . 
§ IL. 
On original Defects in the Nervous System of the 
. Human Species. 
Having pointed out generally in the preceding 
part of this paper the preeminence of man with 
respect to the proportion, organization, and 
functions of his nervous system, I shall now 
proceed to shew, that, great as the proportion of 
this system is, beautiful and complex as its organi- 
zation is, and wonderful as its functions are ina 
perfect human being, his offspring, in conse- 
quence of mal-conformation, is upon some occa« 
sions unfortunately reduced to’ a level, with the 
lowest animalsin the simplicity, proportion, &c, 
of the system under consideration. 
The original defects in the nervous system of — 
human fetuses differ considerably in their des 
