of the Andaman Islands. 317 



Col. Tytlev's collection. The bird is i)robably migratory, only 

 visiting Port Blair at certain seasons. It was observed by Col. 

 Tytler to be abundant between Aberdeen and Phoenix Bay, 

 keeping to open and cleared spaces in the jungle, chiefly along 

 the newly made roads. 



12. HiRUNDO RusTiCA, Linn. Common Swallow. 

 "Comes at certain seasons, and is not at all uncommon" 



(R. C. T.). 



13. AcANTHYLis GiGANTEUs, Tcmm. Browu-nccked Spine- 

 Tail. 



" Since recording the remark on this species in Mouat's 

 ' Appendix,' I have seen several specimens of this magnificent 

 Swift flying round Ross Island" (R. C. T.). It has been sent 

 to the Museum of the Asiatic Society from that locality by 

 Col. Tytler. 



14. CoLLOCALiA NiDincA, Gray. Brown Edible-nest Swiftlet. 

 "More or less common everywhere, but nests are found in 



peculiar places" (R. C. T.). I have noticed this bird breeding 

 inside houses, on both Ross and Chatham Islands (Ibis, 1866, 

 p. 221), but erroneously, I believe, referred the species to C.fuci- 

 phaga. 



The dimensions of the nest of this species, taken from a good 

 typical specimen in Col. Tytler's collection, are as foPows : — 

 Greatest breadth outside 3 in., transversely across \."86 in., 

 exterior depth about 1"75 in., interior depth 1'25 in. The 

 general appearance outside is that of the rough outer shell of 

 an oyster ; inside the nest has been lined with threads of 

 mucilage, which, having dried, form a peculiar-looking network- 

 like bottom to the nest. It is generally of a dirty white colour 

 except where it has joined the rock, at which point the material 

 of which it is composed has become dark and discoloured. The 

 bird lays two to three eggs only, of a pure white colour. 



Another small dark Collocalia is common. Col. Tytler has 

 no specimens of C. linchi (C. fuciphaga, auct.) with which to 

 compare his specimens, but from recollection thinks his bird 

 is distinct. He therefore provisionally calls it 



