7\2 DR. A. G. Bl'TEER <>\ [ Dec. 1 7, 



and distinct. I am inclined to conclude therefore that such differ- 

 ences as occur in St. Lucia may be purely varietal and not subject 

 to seasonal influence. 



4. Marpesia peleus Sulzer. 



5. Cystineuba cowiana (new species). 



6. Dioxe yajsiMjM Linn. 



This appears to be very common in the island. 



7. 1)io> t e jllia Fabr. 



LtCXNIDJE. 



8. Syxtarucus cassius Cram. 



The New World forms of Syntarucus differ from those of the 

 Old World in the absence of a tail to the secondaries, bul in all 



other structural characters they agree : the general pattern is very 

 similar ; and, if all the forms referred to S. cassius are really 

 modifications of one species, the variability of that butterfly must 

 be cpiite equal to that of S. U Heanus. I have not, however, seen any 

 Continental examples so boldly marked or with so few bands on 

 the under surface of the primaries as in the examples occurring in 

 St. Lucia and Dominica. 



9. Chilades iiaxxo Stoll. 



I have been unable to find any structural difference between the 

 Old and New World forms of tins genus. 



In. Caleicista saeoxa 2 Hew its 



The genus Callicista was founded by Grote for a little group of 

 hairy -eyed Theclina of dull colouring, the males of which show a 

 conspicuous black sexual brand at the end of the discoidal cell of 

 primaries: the first two subcostal branches of these wings are 

 emitted well before the end of the cell, the third branch and the 

 upper radial being emitted almost from one point at the superior 

 angle of the cell. 



Papilioxid.e. 



1 1. Tebias VEXLS1A Boisd, 



A common species both in !St. Lucia and Dominica. 



12. Caeeidryas senile var. Fabr. 



The West Indian form appears constantly to differ at all seasons 

 from typical C. sennit $ in the smaller marginal spots and absence 

 of the biangulated discal series of the primaries on the upper 

 surface : that sex also seems to be invariably either sulphur-yellow 

 or whitish, occasionally with a weak bullish tinge, but never golden 

 yellow as in some females of C. senna/. I doubt, however, whether 

 the dry phase of the West Indian form can be separated from 

 C. drga, the dry phase of ('. sennce. 



