RETORT-NEST. 



105 



ment at one end, tapering off into a long descending 

 neck. In order, however, to afford an idea of the 



remarkable coincidence in form between these two 

 objects, the bird's nest and the chemist's instru- 

 ment, the one of glass, the work of man, should 

 be contrasted with the other of grass, the work of 

 a bird. The nest in every respect resembles the 

 retort. It is interwoven with consummate skill. 

 Externally the surface is quite smooth and even, 



