170 Mr. D. G. Elliot on a Lamprocolius. 



Axillaries dark cold prussian blue. Rump, upper and under 

 tail coverts uniform shining light grass-green, without any- 

 bluish reflections. Tail has the base bluish green, and the 

 apical portion for about an inch shining grass-green like the 

 tail-coverts, without any purple reflections whatever ; re- 

 maining portion bluish black, indistinctly barred on edge of 

 outer web with shining bluish green. Total length 12 inches, 

 wing 6|, tail 5^, culmen |, tarsus Ig. 



I am indebted to M. A. Milne-Edwards for the opportunity 

 of examining the bird here described, which belongs to the 

 collection of the Paris Museum. The only species of the 

 genus it can be compared with is the L. splendenSj VieilL, 

 with which it has apparently been confounded, but from 

 which it differs greatly in its style of coloration as well 

 as in size. The type of L. splendens is fortunately in the 

 Paris Museum, in excellent preservation, without any of 

 its bright hues having faded or changed, as is proved by 

 comparing it with other specimens of the same species in 

 the gallery, more recently obtained. The general appear- 

 ance of the L. glaucovirens is dark blue, relieved by the 

 green of the top of the head and nape and also of the 

 wing-coverts and shoulders. The back, throat, breast, secon- 

 daries, and tail are very differently coloured from those of 

 L. splendens^ and the two species when placed side by side 

 are readily distinguished from each other. To enable it to be 

 more easily recognized from its ally, I give a description of 

 the prominent differences as exhibited by the two species. 



Latnprocolitts glaucovirens. Lamprocolius splendens^ Vieill. 



Throat aud upper parts of breast Throat and upper part of breast 



dark purplish blue. bright -s-iolet. 



Under wing-coverts dark prus- Under wing-coverts violet-blue, 



sian blue. 



Abdomen and thighs greenish Abdomen and thighs bluish vio- 



blue. let. 



Back dark blue. Back bright violet. 



Black bar on wings without Black bar faint, overshadowed 



purple lustre. by violet reflections. 



Upper and under tail-coverts Upper and under tail-coverts 



uniform metallic light grass-gi'een dark violet-blue, with the tips 



without any violet reflections. bluish green. 



Rectrices bluish green at base, Rectrices purple-violet, darkest 



then bluish black, and tipped with in the centre of the feather, and 



shining grass-gi-een. tipped with purplish blue. 



Length 12 inches, wing 6|^, tail Length II5 inches, wing 6|^, 



5^, culmen f, tarsus \\. tail 5, culmen f , tarsus ^. (Ti/pe.) 



The specimen which serves as the type of my description 

 was sent to the Paris Museum from the Gaboon by M. 

 Avinenc in 1875. 



