June, .897.] DyAR : LiFE-HlSTORIES OF N. Y. SlUG CATERPILLARS. 61 



SO various. There is usually no permanent color till stage IV and after 

 that the differently colored larv^ gradually differentiate themselves. I 

 have followed out the full life history of the Long Island form in two 

 instances, but do not find enough to warrant redescribmg the stages in 



full. , ^ u 



Food-plants. -O^k, chestnut, bayberry, Andromeda, beech, sour 



gum ( Nyssa) and wild cherry. 



EXPLANATION OF PLATE IIL 



Fig. I. Euclea delphinii, natural size. 



" 2. Form qiierceti. 



" 3. Form interjecta. 



" 4. Form viridiclava. 



" 5. Form elliotii. 



" 6. Larva from Dutchess Co., form C. 



« 7. The same, form E. 



" 8. The same, form D. 



" Larva from Long Island, form A. 



.. 10. A short horn of subdorsal row X 45. ^i^h adjacent skui granules. 



u II A detachable spine of the Florida larva X I75- 



» 12. The same from a Long Island larva with one pair of patches. 



.. 13. The same from a larva with two pairs of patches. 

 " 14. A spine without the basal bulb ; rare; X I75- 

 " 15. An unusually short spine ; Florida larva. 

 <« 16. A caltrope from among the detachable spines. 

 « 17. Caltropes in position on a lateral horn X ^75- 



Parasa chloris Herrich-Schaffer. 

 xZ^^-Nectra chloris Herrich-Schaeffer, Ausser. Schmett. fig. 176. 

 mA-Limacodesviridus^v.A.Kmr,Vxoc.^^i.^oc. Phd. Ill, 251. 

 , 1881— /'«r«^«/r(7^^r«« Grote, Papilio, I, 5. 

 \%%2— Parasa fraterna Grote, Check List, 17. 

 ^%<^x— Parasa chloris Dyar, Trans. Am. Ent. Soc. XVIII, 154- 

 1891— /'arfl5a chloris Smith, List Lep. 28. ,. ^ c tt .. 



J^^-Parasa chloris Neumoegen & Dyar, Journ. N. ^ . Ent. Soc. II, 72. 



Larva. 



1864— Reakirt, Proc. Ent. Soc. Phil. Ill, 251. 

 1887— Hy. Edwards, Ent. Amer. Ill, 169. 

 1891— Dyar, Trans. Am. Ent. Soc. XVIII, 154- 

 1893— Packard, Proc. Am. Phil. Soc. XXXI, 91. 

 i894_Dyar, Ann. N. Y. Acad. Sci. VIII, 217. 



Special Structural Characters. 

 Dorsal space broad, of nearly even width, except at the extremities, 

 where it narrows considerably. The dorsum rises abruptly to a maxi- 



