384 MR. A. R. WALLACE ON THE GENUS COLLOCALIA. [Nov. 10, 



1 . CoLLOCALiA EscuLENTA (L.), RuTtiph. Herb. Amb. \i, p. IBS- 



0. hypoleuca, G. R. Gray, Proc. Zool. Soc. 1858, p. 170. 



Nigro-ccBrHlea, subtus grisea et alba ; rectricibus, mediis exceptis, 



macula alba basali notatis. 

 Long. al. 3i poll. 

 Hab. Celebes ; Timor ; Moluccas ; Aru Islands. 



2. COLLOCALIA LEUCOPYGIA. 



"C. linchi, Horsf., et C. troglodytes, G. R. Gray," MM. Verreaux 

 et Des Murs, Rev. et Mag. de Zool. 1862, p. 129. 



" Supra nigra, subtus albo-argentea, capite nigerrimo ceneo mi- 

 cante, uropygio niveo" 



"Long. al. 9-5 cent.=3| poll." 



Hab. New Caledonia. 



Remark. — As this bird cannot possibly be either C. linchi or C. 

 troglodytes, I am obliged to give it a new name. It may be the 

 same as the species already mentioned, from the New Hebrides, in the 

 British Museum. 



3. CoLLOCALiA LINCHI, Horsf. & Moorc, Cat. Mus. E. I. Comp. 

 i. p. 100. 



Similis C esculentce, L., sed paullo obscurior et Cauda immaculata. 

 Hab. Java ; Malacca ; Nicobar Islands. 



4. CoLLOCALiA spoDioPYGiA, Pcalc, U.S. Expl. Expcd. i. p. 176. 



" Tota fuliginosa, supra saturatior ; uropygio tcenia transversa 



lata cinerascenti-alba ." 

 Long. al. 4|- poll. ; caudse 2^ poll. 

 Hab. Samoan and Fiji Islands. 



5. CoLLOCALiA TROGLODYTES, G. R. Gray, Gen. of Birds, t. 19 

 (sine descr.). 



Fusco-nigra, subtus fuliginosa, crisso albescente ; tectricibua 

 caudcB inferioribus et superioribus fusco-nigris ; fascia uropy- 

 giali albida, rectricibus basi pallidis. 



Long. al. 3-| poll. ; caudas I3 poll. 



Hab. Malacca?; Philippine Islands ? B.M. 



6. CoLLOCALiA FUCiFHAGA, Thunb. Act. Holm. xxxiii. p. 151. 

 t. 4. 



C. fuciphaga et C. nidifca, G. R. Gray, Gen. of Birds, i. p. 55. 



C. esculenta, Horsf. 



C. brevirostris, M'Clell. 



C. unicnlor, Jerd. 



C. concolor, Blyth. 



C. cinerea, Gm. ; Cassin, U. S. Expl. Exped. p. 178. 



C.francica, Gm. S.N. p. 1017. 



" Supra atra, subtus cinerea, tota immaculata." — Thunb. 



Hab. Bourbon and Mauritius (var. francica, Gm.) ; India and 



