phical distribution of the Animal Kingdom , arran- 

 ging it in the most scientific way. Nearly each of 

 the large number of his publications is a standard- 

 work. Fading eyesight had for some time before his 

 death prevented him from following his studies with 

 the same success as formerly , but there are few 

 who have so disinterestedly devoted their lives to 

 zoological pursuits, and to whose memory greater 

 respect is due. 



The Leyden Museum of Natural History and 

 his writings form a monument more lofty and more 

 noble than the finest and most splendid monument 

 of marble. 



