SOME USEFUL BOOKS 189 



The more technical publications are standardized 

 and are less difficult to indicate than good sources of a 

 popular character. For one whose interest in the 

 results of zoological studies is beginning to grow, 

 it is a great assistance to have some references to 

 reliable and trustworthy literature for fire-side 

 reading, in addition to the books of general reference 

 which will be consulted only at intervals. 



There are books that supply stimulus and promote 

 a feeling for the work of the naturalist, such as Dar- 

 win's Voyage of the Beagle, Bates's A Naturalist on 

 The River Amazon, Wallace's Malay Archipelago and 

 those writings that bring us into contact with great 

 personalities such as the biographies of Darwin, 

 Pasteur, Huxley and Lister. 



In the references indicated below attention has 

 been given to selecting sources of unquestioned merit 

 and reliability, but no claim is made to giving a 

 balanced list of reading. Assuming that a more 

 general interest exists in historical phases and in 

 biographies, I have cited a relatively larger number 

 of references of that nature. 



The object of the reading lists is to supply not in 

 too great number reliable and trustworthy refer- 

 ences to a variety of zoological subjects. The more 



