Notice of the late Dr. Waldo Irving Burnett. 259 
regards their mode of reproduction as belonging to the gemmipa- 
rous type. Viewed in this way, the different broods cannot be 
As this latter idea cannot be supposed to be the result of direct ob- 
servation, and as no proof is adduced that identical cells and nu- 
clei really pass from one generation to the other, the whole stands 
merely as an ingenious theory, while Dr. Burnett’s explanation 
[and this view is not proposed for the first time by him,] is in ac- 
cordance with direct observation. But, in accepting his view, we 
are compelled to admit the hypothesis, that the germinating force 
Imparted to the first ova is transmitted to the successive broods 
without the aid of spermatozoa. 
“On the microscopic appearances presented in the intestinal 
discharges and muscular fibres of a patient who died of the epi- 
emic cholera.” 
“ Tissue and its retrograde metamorphosis.” 
“On the Geolozy and other points connected with the natural 
history of Florida.” 
“Considerations on a change of climate by northern invalids, 
and on the climate of Aikin, S. C.” 
“Considerations of some of the relations of climate io tuber- 
cular disease.” 
Cell, its physiology, pathology and philosophy, as deduced from 
*riginal observations ; to which is added its history and criticism. 
? 
animal and organic life, and the agent by which even the mind 
self retains its grasp and exerts its influence upon the living 
