154 
a togethe-. The stored ,arv» had all beeo eaten, their heads , 
a cocoon, whch 1 know to be typical of O. ignita. This was the 
oecas.on on which I had a feeding Wva of O. i^Ua, and Z ^ 
w.«,wh,eh.t fed up astonished n,e. None of n., a „.,. JJ 
had hudt her nest n,ay parti, acconnt for this, ., lar™ of the 
two species havmg been kept comparatively cool 
Cnjlecta begins to emerge from the pupa state at the same , 
as O ,„es, namely, abont the middle of May ■ and by the , 
week ,n Jn,e, all of both species have emerged On e— 
bank eolon.sed by O. ,^,-„>« at this period, theLoons :f be p« 
P u' togetber. When the sun ,s out, O. spinipe, is busv construct 
%LratuT bf r'^' '"""'^"^ «-X/is active!^ ::::;: 
flymg about the burrows. C. bidentata, however, is not to be L 
etooromr "™*'°''-' '^" "" ^-'i tl^.^' cf thisparal: 
cocoon of the previous year still contains the perfect insect which d 
not emerge until the last of the .pin,j,es brood are coming out nea 
atTe: "h : T .""° ''■ "''"'"•■ ' ^-^ ™' -» threggoT 
teter. and do not know how or where it is laid ; but it supplfuts t 
of 0,y>njes, as, a few days after the mother wasp has closed he I 
has hardly begun. Towards the end of July O .nl; 7^^''*'' 
growr'h™':f''o '" '^'""' T '''°''' ''' ^^8^' --'='^- ^- -^ f"l 
i.4Xr,.rr:;.eX:^^^^^^^^^^^ 
i, lanai, but it happens, that, in a large proportion of case, 
