HARVEY 49 



matter of the book are not altogether what they might 

 be, and the division into chapters does not exactly 

 correspond to the division of subjects. Add to all this 

 that Harvey was evidently not a very careful or patient 

 proof corrector, as is shown by the large number of 

 printer's errors that he left in the text. Lastly, there 

 are great practical reasons that make it a difficult book. 

 One is that it is extremely condensed and contains a 

 vast number of facts, conclusions, and observations in 

 a very small space. Another is that it was the first 

 time that anything of the sort had been attempted, and 

 Harvey was grappling with a new idea. 



