Immature. — Resembles the adult female, but mantle less gree- 

 nish, the colour of breast not sharply defined from that of abdomen, 

 and the chestnut colour on abdomen paler ; pale rufous edge to the 

 tip of scapulars and wing-coverts ; knob on upper mandibL- but little 

 developed or entirely undeveloped. 



Remark. — The species from Mortlock and Nukuor Islands has 

 not yet come under my examination, but probably belongs to this 

 new form. 



The subspecific name is given in honour of Mr. N. Teraoka 

 who collected the specimens. 



Globicera oceanica monacha, subsp. nov. 



(PL. V. figs. 4 & 5 ; PL- VI, fig. 3). 



(Columbidre). 



■^ ad. — Similar to G. o. ta-aokai, from Ruk group, but head,, 

 neck and breast paler (pale blue-greyish white) ; feathers on side of 

 neck covering the bend of wing particularly paler so that the colour 

 of hind-neck is well defined from -that of the back ; mantle less 

 bluish, but somewhat bronzy. 



^ ad. — Much darker than the aduh male, but not darker than 

 the female of G. o. tcraokai ; feathers on side of neck which cover 

 the bend of wing also paler than in the female of fcraokai ; knob on 

 upper mandible somewhat smaller than in the adult male. 



Types. — Adult male and adult female. Yap island, Yap islands. 

 Western Carolines. June 24 & 26, 19 19. Momiyama's coll. nos. 

 278 & 288. 



Iris pink-madder; bill slate-black ; knob on upper n.andible 

 purplish-black {^) or brownish-black (^); foot purplish-carmine 

 {^) or purplish-crimson (^); claw horny-black. 



