On the Habits of certain Bornean Butterflies, 209 



Island, as it is termed in the Voyage of the ' Rattlesnake,' 

 agrees prceisely with Reeve's types, excepting that the aper- 

 ture is not ([uite so reddish within. 



16. Melania Petiti, Philippi. 



Hab. Rossel Island {Thotnso?i). 



Dr. Brot has kindly identified this species. All the speci- 

 mens are small and have oidy the last and penultimate whorls 

 remaining, producing a remarkably truncated appearance. 



EXPLANATION OF PLATE XITL 



Fi'ffs. 1, 2. Pupinella Macgregori. 



Figs. 3, 4. Pupinella loiiisiachtisis. 



Figs. 5, 6, 6 a. Pupinella rosseliana. 



Figs. 7, 8. Pupinella minor. 



Figs. 9-11. TrocJioniorpha nigrans. 



Figs. 12, 13. Helix {GeotrocJms) Thomsoni. 



Fig. 14. Helix ( Chloritis) subcorpulentus. 



Fig. 15. Nanina rosseliana. 



Fig. 16. Nanina inelinuta. 



Fig. 17. Helicina congener. 



XXIII. — On the Habits of certain Bornean Butterflies. 

 By Sydney B. J. fSKEKTCiiLY, F.G.S., M.A.I.* 



I. Introduction. 



The following notes on the habits of butterflies are chiefly 

 from observations made in British North Borneo. They 

 were mostly written in the jungle, and every observation was 

 recorded at tlie time. I was olten for days amid such a wealth 

 of gorgeous Omithopteras and Pajnlios^ &c., that any little 

 ])oint suggested while writing could be observed and any 

 ambiguity be corrected without leaving the open-sided hut. 

 This, however, is unhappily a rare chance, and seldom lasts 

 long at a time. 



II. The Hours of Appearance and General Habits. 



As a rule our butterflies do not come out until about seven 

 o'clock — that is, an hour after sunrise. By this time the 



* [Since I communicated Mr. Skertchly's interesting notes " On Butter- 

 flies' Enemies," which appeared in the ' Annals/ ser. 6, vol. iii. p. 477, I 

 have received some further ohservatious of great interest to lepidopterists, 

 which I now for\\ard lor publication. — W. \j. Distant.] 



