104 
pleased with the beauty of certain injected preparations, as 
brought out by the binocular, such as the eyes of small ani- 
mals, displaying the clear eyeball, with lenses, cornea, and 
retina; the smallest blood vessels were seen to be filled with a 
bright red and transparent injected fluid — in situ — distinctly to 
be traced and distinguished from each other, instead of appear- 
ing as with the single microscope, a tangled mass, all in the 
same plane. These instruments and objects strongly'- mark 
the rapid advance microscopy^ is making in the present day. 
Mr. Hardman presented a number of dissecting needles, 
with turned handles, which were thankfully accepted by the 
members. 
Mr. Brothers exhibited Melicertaand other infusoria from 
his aquaria. 
