Rau—Longevity in Saturnid Moths. 67 
TABLE 43. 
Period of Incubation. Eggs of P. cynthia. New York, 19138. 
Q Day’s Deposit Date of 
oa oe A ae EL 
No. 1 2 3 4 Deposit 
eee eae Ad 12 6- 3 
Berens 12 12 6- 6 
Ce Cas 12 6- 6 
A 8 Sarees saree 13 13 6- 9 
J par 14 6- 9 
yeaa rhe Sa 11 ee 6- 9 
aes eee 12 12 Re 6-10 
i me ipa ea Topcal tke 6-11 
5 Ra ayer ad. yee ae) 9 6-11 
aie Vea 9 és 6-12 
|S aoa 9 | 10 6-12 
higerueas 10 } 10 9 6-12 
Mise 11 ? 9 9 6-12 
Newbee 10 94-10 6-13 
Oo seceees 9 9 6-13 
ler 9 9 6-13 
Ooieiieod 9 9 9 6-14 
eerie 9 ee 6-14 
eee ere 9 9 9 6-14 
Le eee 9 8 8 6-14 
9 RE en 9 9 6-14 
WV uencercay 9 9 6-14 
Wi gcaas p 8 9 6-15 
ei teie ee 9 e os 6-18 
EO § a ye 6-19 
considered, it is clear that temperature conditions di- 
rectly influence the period of incubation, the warmer 
days tending to accelerate the embryonic development 
and the cooler days to retard it. 
MisceLLaNneous Data. 
BASILONIA IMPERIALIS. 
About 12 pupe of B. imperialis were obtained in 1911, 
but 10 of them were parasitized by a large dipterous in- 
sect identified by Mr. Frederick Knab" as Belvasia bifas- 
17 Through the kindness of Dr. L. O. Howard. 
