ZOOLOGY AND BOTANY, MICKOSOOPY^ ETC. 



149 



which are reproduced in figs. 14, 15, and 16.* It seems to us tliat these 

 drawings at once furnish an explanation of the difficulty. It will be seen 



Fig. 11. 



Fig. 12. 



Fig. 13. 



Fig. 14. 



Fig. 15. 



Fig. 16. 



that in place of a full length of a man being drawn 



as the observer at each instrument, an eye only is 



given. The change that this makes requires no 



enforcing. The whole scale is at once altered, and 



the Microscopes are reduced from their apparent 



size of 4 or 5 feet to scarcely as many inches. 



Schott's draughtsman was probably of an artistic 



turn of mind, and added the full-length figures with 



the view of enlivening and illuminating what he 



probably felt to be very inartistic pictures. That 



he succeeded in making much prettier pictures may be freely admitted, but 



he little thought to what erroneous deductions his artistic tastes would 



give rise. 



We are not overlooking the fact that Traber's book was not published 

 * Tom. cit,, pp. 66-8, Lib. i. Tab. iv. 



