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already mentioned as situated at the base of the filiform appendage, 
show it (i. e. the knob) to be composed of a combination of fibro- 
cartilage and erectile tissue, surrounded by a stratified epithelium, ex- 
cept on the side where it is connected with the main portion of the 
glans. The function of the knob may be to give the filiform appen- 
dage support during erection. A section passing through the middle 
of the glans is represented in Fig. 3. It is there shown that fibro- 
Libr. Cart.. 
Fibr ee ta it 
> 
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Fig. 3. Transverse section passing through the middle of the glans, X 45. 
Corp. Cav. corpus cavernosum, Fibr. Cart. fibro-cartilage, Gl. erectile tissue of glans, 
Int. integument, Ur. urethra. 
cartilage is abundantly developed at various places, in the tissue of 
the glans but especially in the neighbourhood of the urethra. Strands 
