NOTE-BOOK OF 1837. 367 



between the two editions is not greater ; it is another proof 

 of the author's caution and self-restraint in the treatment of 

 his theory. After reading the second edition of the ' Jour- 

 nal,' we find with a strong sense of surprise how far devel- 

 oped were his views in 1837. We are enabled to form an 

 opinion on this point from the note-books in which he wrote 

 down detached thoughts and queries. I shall quote from the 

 first note-book, completed between July 1837 and February 

 1838 : and this is the more worth doing, as it gives us an in- 

 sight into the condition of his thoughts before the reading of 

 Malthus. The notes are written in his most hurried style, 

 so many words being omitted, that it is often difficult to 

 arrive at the meaning. With a few exceptions (indicated by 

 square brackets) * I have printed the extracts as written ; the 

 punctuation, however, has been altered, and a few obvious 

 slips corrected where it seemed necessary. The extracts are 

 not printed in order, but are roughly classified.f 



" Propagation explains why modern animals same type as 

 extinct, which is law, almost proved." 



" We can see why structure is common in certain countries 

 when we can hardly believe necessary, but if it was necessary 

 to one forefather, the result would be as it is. Hence ante- 

 lopes at Cape of Good Hope; marsupials at Australia." 



" Countries longest separated greatest differences — if sepa- 

 rated from immersage, possibly two distinct types, but each 

 having its representatives — as in Australia." 



" Will this apply to whole organic kingdom when our 

 planet first cooled ? " 



The two following extracts show that he applied the theory 



* In the extracts from the note-book ordinary brackets represent my 

 father's parentheses. 



f On the first page of the note-book, is written " Zoonomia " ; this 

 seems to refer to the first few pages in which reproduction by gemmation 

 is discussed, and where the " Zoonomia " is mentioned. Many pages have 

 been cut out of the note-book, probably for use in writing the Sketch of 

 1844, and these would have no doubt contained the most interesting 

 extracts. 



