HI LECTURES ON EVOLUTION 67 



And it is further clear that terrestrial living 

 things, other than birds, made their appearance 

 upon the sixth day and not before. Hence, it 

 follows that, if, in the large mass of circumstantial 

 evidence as to what really has happened in the 

 past history of the globe we find indications of 

 the existence of terrestrial animals, other than 

 birds, at a certain period, it is perfectly certain 

 that all that has taken place, since that time, must 

 be referred to the sixth day. 



In the great Carboniferous formation, whence 

 America derives so vast a proportion of her actual 

 and potential wealth, in the beds of coal which 

 have been formed from the vegetation of that 

 period, we find abundant evidence of the existence 

 of terrestrial animals. They have been described, 

 not only by European but by your own naturalists. 

 There are to be found numerous insects allied to 

 our cockroaches. There are to be found spiders 

 and scorpions of large size, the latter so similar to 

 existing scorpions that it requires the practised 

 eye of the naturalist to distinguish them. Inas- 

 much as these animals can be proved to have 

 been alive in the Carboniferous epoch, it is per- 

 fectly clear that, if the Miltonic account is to be 

 accepted, the huge mass of rocks extending from 

 the middle of the Palasozoic formations to the 

 uppermost members of the series, must belong to 

 the day which is termed by Milton the sixth. 

 But, further, it is expressly stated that aquatic 



