On Birds from Buyotu, Solomon Islands. 373 



digital (primary) remiges {R.) has become mucli accelerated, that of 

 the distal remiges {N.) has been arrested pro temp., thus leaving a 

 free finger-tip, sometime functional in the past history of the species. 



C. Coverts. N. Neossoptiles. 



Fig. 2. — Left wing of a nestling Opisthocomus, showing the arrested de- 

 velopment of the distal remiges, leaving a free finger-tip, functional 

 at the present day, enabling the bird to climb before tlie power of 

 flight is acquired. 



Fig. 3. — Right wing of a nestling Opisthocomus, older tlian that repre- 

 sented in 6g. 2. Here the finger-tip has almost, if not quite, ceased to 

 be functional ; the primaries being now capable of sustaining flight. 



C. Coverts. C.r. Cubital remiges. P. Primaries. 



Fig. 4. — Embryo Opisthocomus, showing the feather-papilke, the " funda- 

 ments " of the future definitive feathers. 



Fig. 5, — A neossoptile (iV.) of Opisthocomus on the tip of a definitive 

 feather {D.f.), natural size. 



Fig. 6. — Portions of a radius {R.) of fig. o, highly magnified, showing 

 fila (/.). 



XXIX. — Further Notes on Birds from Bugotu, Solomon 

 Islands, ivith Description of a new Species. By H. B. 

 Tristram, D.D., LL.D., F.R.S. 



I HAVE lately received, through my friend Dr. P. H. Metcalfe, 

 of Norfolk Island, a small additional collection of birds 

 made for me by Dr. Welchman on Bugotu, one of the lesser 

 islands of the Solomon group"^. The collection consists of 

 14 specimens referable to 12 species, some of which are of 

 considerable interest, though many are well known. The 

 native names are attached to the specimens, and these, except 

 in one or two instances, bear little resemblance to the names 

 given in Guadalcanar, which again diflPer altogether from 



* See previous paper. Ibis, 1894, p. 28. 



