18 All tJie Articles of the Darwin Faith. 



with gaps in the links, is quite as firmly held together as 

 one without ; and to lack no evidence but that of facts is 

 amply sufficient for me, of which the following will serve 

 for examples. 



I believe " I cannot doubt, that the theory of descent 

 with modification embraces all the members of the same 

 class." " I can indeed hardly doubt that all vertebrate 

 animals having time lungs are descended by ordinary 

 generation from an ancient prototype, of which we know 

 nothing, furnished with a floating apparatus or swim- 

 bladder." 



I believe " It is conceivable that the now utterly lost 

 branchial might have been gradually worked in by natural 

 selection for some quite distinct purpose, in the same 

 manner as . . . it is probable that organs which at a 

 very ancient period served for respiration, have been 

 actually converted into organs of flight." 



I believe that the opinion of Dr. Carpenter on the non- 

 progressive character of the Foraminifera is as valuable as 

 that of "any other man in England" (except myself): 

 and therefore whereas Dr. Carpenter distinctly asserts 

 there has been " no advance in the Foraminiferous type 



