39

Upland geese would transplant seeds very far. —

41

(21)

Sept 31. The identity of (or only closeness) of some species — (especially of mammifers) in old beds & existing species is valuable because it shows no innate power of change & it also shows, what enormous changes of conditions, some species will undergo & yet remain adapted. — it does away with difficulty of rabbits of England remaining same (if so) with those of Spain & such facts — This unequal duration is exactly same as some species extending much further geographically than others.

(5)

[55]

Nov 15^th —

Waterhouse showed me the component vertebræ of the head of Snake wonderful!! distinct!! — He would not allow such series showed passages — yet in talking, constantly said as the brain spinal marrow expands, so do the bones are created expand — instead of saying as brain is created &c &c

11

Bats are a great difficulty not only are no animals known with an intermediate structure, but it is not possible to imagine what habits an animal could have had with such structure.— perhaps greatest

Could anyone have foreseen, sailing, climbing & mud-walking fish?