86 THE MICEOSCOPE. 



unwearied skill in illustrating the generative 

 progress of the lowest animals onnatures scale" 1 



12. " The experiments of Ehrenberg," ob- 

 serves Professor James Buchanan in his excel- 

 lent work. Faith in God, " instituted with the 

 view of testing the doctrine of spontaneous ge- 

 neration, may be said to have decided the whole 

 question. They show that as far as our clear 

 knowledge extends, the one uniform law, ' Omne 

 vivum ex ovo,' universally prevails. As the doc- 

 trine of spontaneous generation stands opposed 

 to the maxim, that organic life can be pro- 

 duced only by organic life ; so the doctrine of a 

 transmutation of species stands opposed to the 

 equally certain maxim, that like produces like 

 both in the vegetable and animal kingdoms. 

 There may arise changes of appearance or struc- 

 ture, and some of these changes are transmissible 

 to the offspring, but the mutations thus super- 

 induced are governed by constant laws, and 

 confined within certain limits. " 2 



13. And now to conclude our list of authori- 

 ties, we may quote Professor Schultz as deci- 



1 Professor Sedgwick's Discourse, pp. 195-199. See also 

 pp. xx. xl. 



2 Professor J. Buchanan's Faith in God, vol. i. pp. 451-453. 



