TECHNICAL I)KSClill'-|'Ili\ 111'' STAflES. 
121 
First pupal fiUige. — L(Mi*xtli in the cai-ly condil ion of tliis stairc ahout 
17 mm.; antorioi* fcMiiora, o.oO mm.; anlcM-ior lihia', '.\.i\() nun.: liind 
tibiiv, 5. SO mm.; width of luMid, (i nun. Kv('-s])ots cntii-clx \\anliii«:; 
eyo proniincMUHvs w(dl d(>\ (^lopcd. as in lat(M- jxipal slairf's. WiiiLT <'iises 
oxt(Mul to tlie ti]") of tlu' tliird s(\«^iU(Mit. Tliird antcmial joint one- 
third lonii:i>r than siH'ond, fourtli as lon<j; as second, othci's dcci'casinLi; 
in h'nirtli. The- anterior tai'si r(>a|)|)ear |)(M-lVct ly dcNcloix'd, and aic 
nearly as lonii: as th(^ til)ia\ and arc* foKled ah)n^ the iimei- face of the 
hittc^r; the iirst joint is \(My niiniit(\ and the second or hist \'eiy lon*^ — 
lonirer than the nii(hll(> or postcM'ior j)airs — a!i(l armed with two cnr\-ed 
claws at tlie t ip. of wliicli one is rath(M' lon«i;er than the other. 1^'emoral 
cond) with an athhtional tooth, a very minute on(> heini,^ distinctly 
separated from the large bhmt 
npper tooth. The anterior 
tihia* liave w ithm the large 
blunt subapical tooth, whicli 
has occurred all along hitluulo, 
two minute saw-teeth instead 
of the on(* present in the pre- 
ceding stage (fig. 51). The 
hairs of the legs and body are 
arranged as hitherto, Init are 
rather more numerous and 
longer, and this is particularly 
true of the anterior limbs. 
The sexual characters which 
have been foreshadowed in the 
two later larval stages are now 
distinctly defined. 
Second pupal stage. — This 
stage does not present any fig. ol.— First pupal stage: a, anteriorlpfjjnnprfaop. 
difi'erences from the last except ^'^oW.ng tarsus ho^t back against tl.o tibia, b, 
i^ same, outjT face. (Autlior s illustration.) 
in the greater size of the speci- 
mens, which is noticeable in the relative dimensions of th(> ]^nrts 
hitherto measured for eom})arison. The length of the adult pu|)a 
varies from 27 mm. in th(> case of the males to about 35 mm. in the 
case of the larger females. The adult ])upa of the male ])resents the 
following length of tlie ]^arts refeifed to: Anterior f(>mora, M.SO mm.; 
anterior tibia^, 4.;)() mm.: hind tibia-, (1.70 mm.: width of liead, ().7() 
mm. In the ca-e of the female: Anter'ior fcMiiora, A.'IO mm.: antei'ior 
ti])ia', ~) mm.; hind tihia', 7..")() mm.: widtli of head, 7.7)0 mm. Tlie 
anterior tarsus in all uiu-arlhed sj)eeim(Mis is folded closely back 
against the face of iIk tibia, bill in all aerial specimens is unfolded 
and j)rojeci> forwaid to l)e of serxicc in climbing. 
