220 
JIR. A, M. ALTSON ON THE METHOD OF 
The eggs are always laid longitudinallj^ in the vessel and in juxtaposition^ 
the anterior pole o£ one being end on-to the posterior pole o£ the next. 
A female will retain the ovipositor in the vessel for several minutes, and 
repeat the process in other vessels until her supply of ripe eggs is exhausted. 
The egg issues from the vaginal orifice (vo., text-fig. 1) between the basal- 
pieces {bp.), and is guided by the vaginal palps (p.). 
Text-fig. 1. 
Apex of the ovipositor, ventral, an., anus ; dc, Ijursa copulatrix ; bp., basal 
piece ; /;•., forked rod ; p., vaginal palp ; rd., chitinised rod ; 
vo., vaginal orifice. Camera lucida. ( x 128.) 
From observations on a beetle when ovipositing, it was noticed that she- 
moved forward once before withdrawing the ovipositor ; apparently the 
movement was just far enough to allow for a space for the second egg to be 
deposited in 
