230 
On the Resemblances existing between the “ Plummer’s Bodies” of 
Malignant Growths, and Certain Normal Constituents of 
Reproductive Cells of Animals. 
By J. BRETLAND FARMER, F.R.S., J. E. 8S. Moore, and C. E. WALKER. 
(Received April 11,—Read May 11, 1905.) 
It is proposed in the present communication to present the results of 
investigations bearing on the nature of those remarkable structures known 
as “ Plimmer’s Bodies.”* Asis well known, these are found in many cancerous 
erowths, and are most commonly encountered in the younger or growing regions 
of the tumour. They appear in the form of vesicles, and they consist essentially 
of a fairly well-defined wall containing a clear space in which is suspended 
iG. 

Figs. 1, 2, 3. Examples of Plimmer’s Bodies from carcinoma. 1. Three small 
“ Bodies” in an archoplasm. 2 and 3. Later stages in the development of the “ Bodies.” 
a small darkly staining granule (figs. 1, 2, and 3). They are most commonly 
to be met with in tumours of a glandular or glandular-epithelial origin.t 
* Plimmer, ‘ Practitioner,’ vol. 62. 
+ Greenough, ‘3rd Rep. Caroline Brewer Croft Cancer Com.,’ Harvard Med. School, 
1905. 
