280 MR. GOULD ON NEW BIRDS FROM ForMosA. [Nov. 25, 
Shell ovate or oblong-ovate, somewhat irregular, much depressed, 
radiately ribbed and ridged ; ribs few and prominent, particularly 
the one at the siphon, concentrically obsoletely striated ; apex slightly 
uncinate; siphon conspicuous. Colour blackish ; ribs sometimes 
lighter, black within. 
9. DescrIPTIONS OF SixTEEN New Species or Birps FROM 
THE IsLAND OF ForMOSA, COLLECTED BY RoBert SwINHOE, 
Esq., Her Masesty’s Vice-Consut at Formosa. By Joun 
Goutp, Esa., F.R.S., etc. 
PARUS CASTANEOVENTRIS, Gould. 
A bar across the forehead and cheeks white; crown of the head, 
back of the neck, throat, and chest jet-black ; on the nape a spot of 
pure white, bounded below by a slight mark of chestnut ; mantle, 
back, shoulders, upper surface, wings, and thighs very deep blue- 
grey; abdomen and under tail-coverts rich chestnut; bill bluish 
black. 
Total length, 4 inches; bill, 3; wing, 23; tail, 12; tarsi, 3. 
Remark.—This species is very similar in colour to the Parus va- 
rius of Japan; but differs in having a much smaller amount of 
chestnut on the back, and in its smaller size. 
ALCIPPE BRUNNEA, Gould. 
Feathers of the crown and upper surface deep reddish brown, 
those of the crown slightly fringed with a darker tint, giving that 
part a scaled appearance; a longitudinal black stripe commences 
above the eye and passes down towards the nape, separating the 
brown colouring of the crown from the grey of the sides of the face 
and ear-coverts; throat and under surface brownish grey; flanks 
wood-brown; primaries and tail-feathers uniform chestnut-brown ; 
thighs reddish brown ; bill horn-colour ; legs and toes flesh-white. 
Total length, 43 inches; bill, %; wing, 23; tail, 2; tarsi, 3. 
Remark.—A small brown bird, rather less in size than Accentor 
modularis. 
My1oPHONEUS INSULARIS, Gould. 
Lores jet black; forehead crossed by a narrow band of shining 
deep blue; crown of the head, throat, back of the neck, all the 
upper surface and the tail obscure blackish blue; shoulders very 
bright metallic blue; primaries and greater wing-coverts margined 
externally with bright blue; feathers of the chest and upper part of 
the abdomen black, with shining blue tips; lower part of the abdo- 
men, thighs, under tail-coverts, and the under side of the tail-feathers 
dull black ; bill and legs black. 
Total length, 11} inches; bill, 12; wing, 62; tail, 51; tarsi, 21. 
Remark.—This is a much larger bird than the Myiophoneus ceru- 
