SANGA— KISIGALLA 103 



abundance of the large Hesperid Rhopalocampta chalybe, 

 whose peacock green and blue wings flashed in the sun as 

 these beautiful butterflies darted about in the sunlight 

 in typical " skipper " fashion. Acraeines were represented 

 by two species among the tree tops out of reach, and one 

 specimen of A. egina ; Amauris niavius was the only 

 Danaine seen ; of Nymphalines, Euralia dubia, E. 

 dinarcha, and a forest Charaxes were noted ; while the 

 large and beautiful iridescent Salmnis, its pale green 

 wings suffused with a pink mother of pearl lustre, was 

 very plentiful. Lastly, the caterpillars of an aposematic 

 moth, Aletis erici (see description, p. 214), were very 

 abundant on Sanga, which interested me more than any 

 other island, because it was the first visited of those on 

 which the great spiders were so abundant, and showed 

 so many other examples of insularity. 



On February 11th we visited the little isle Kisigalla, 

 lying close to Sanga, and, like it, rocky and covered 

 with trees, but with one piece of sandy shore. It is 

 about fifty yards in diameter, and, though so close 

 to Sanga, differs from it in many respects. It was 

 characterized by almost entire absence of the Nephila 

 spiders so abundant on Sanga ; by abundance of a large 

 black Scoliid, of cocoons of the gregarious caterpillars of 

 Lasiocampid and Eupterotid moths, and also of a very 

 large fawn coloured slug. 



Birds were not so scarce as on the spider-haunted 

 Sanga ; the " Kunguvu " flycatcher, sunbirds, weavers, 

 pigeons, and the beautiful blue and crimson plaintain- 

 eater were all noted. 



Butterflies were quite plentiful, the most interesting 

 being the large mimetic Lycaenid Mimacraea poultoni, 

 and the Nymphaline mimics Psevdacraea eurytus forms 

 hobleyi and tirik^nsis. A very fine Satyrine that was new 

 to me escaped capture. Glossina was scarce, the catch 

 per boy-hour reaching only the average of 2-3. 



