Questions Evolution Does Not Answer 
the great departments, except the 
vertebrates, seem to have been rep¬ 
resented.” (“ Evolution and Its 
Relation to Religious Thought,” p. 
146.) 
(2) We also find that new species 
often appear suddenly and in per¬ 
fection of type, and then sometimes 
disappear with equal suddenness. 
In speaking of the rise and ex¬ 
tinction of dinosaurs, Lull says: 
“What was the physical cause of 
this extinction, which is believed 
to have occurred in the Coman- 
chian, we do not know, for there 
is little evidence of a climatic 
change.” (Lull, “Evolution of the 
Earth,” p. 131.) Again he says: 
“So far as our records go, not one 
dinosaur of all the hosts that were, 
survived the Mesozoic, for un¬ 
doubted post-cretaceous rocks have 
not yielded a fragment of their re¬ 
mains. Why they became extinct 
44 
