1 86 THE STORY OF ANIMAL LIFE 



mounted in order on th slides, steps are taken to 

 melt away the wax from the sections, the latter 

 are covered with Canada Balsam surmounted by 

 a glass cover slip, and left for some time to dry. 

 After this they are ready for examination, and it 

 is only now that the work really begins. All that 

 has gone before is mere handicraft ; it is time 

 now for science to be called into play. 



The sections must be compared with others of 

 the same kind which have been cut before. Do 

 they entirely resemble these, or is there a differ- 

 ence somewhere ? Happy the man who finds 

 that his sections represent a fresh stage, perhaps 

 older or younger than any that has been seen 

 before in the history of the particular animal 

 which is under investigation. Happier still the 

 man who has succeeded in getting hold of an 

 animal which has not been described before. He 

 will make haste to write a full description of it, 

 illustrated by drawings; to found a new theory 

 on it, if that can possibly be done ; and to pub- 

 lish it to the world. It will go all over the globe. 

 To every country in Europe ; to the centres of 

 learning in the United States ; to universities in 

 New Zealand and Australia, and our other colo- 

 nies; and perhaps even to " Far Japan." 



When in his turn he receives publications 

 from all countries, written in all languages, he 

 is in a position to realise the very great advan- 

 tage (referred to in an earlier page, p. 31) that 

 results from the use of the learned tongues, in 

 the terminology of zoological science. For the 

 educated classes in all countries are equally ac- 

 quainted with these ; and when half of a sentence 

 consists of words of Greek or Latin derivation, 

 the labour of translation from a foreign tongue 



