The Zoologist — June, 1870. 



2157 



Augle of mouth without a supernumerary piece. Sides 

 of under mandible fealhered. Three series of white 

 feathers on head. - - . . . 



III. (Unnamed subgenus). Bill very small, short, conic, simple, 



destitute of any irregularities whatever. 



Large ; bill moderately compressed ; a long recurved 

 crest; fuliginous black above, fuliginous gray below. 

 Wing 5-50 ; rictus -70 ; width of bill at base -30 ; 

 tarsus, middle toe and claw together 2-.'50 - 



Small ; bill excessively compressed ; no crest (?) ; 

 uniform plumbeous, lighter below, whitish on the 

 abdomen. Wing 425; rictus -60; width of bill 

 at base -15! Tarsus, middle toe and claw to- 

 gether, 2 00. 



IV. (Ciceronia, Reich). Smallest of the genus. Short white 



hair-like feathers over the forehead. 



Length about 6 50 ; height of bill at base '30. Up- 

 per mandible with a basal knob; bill stout and 

 wide for its length. No decided white patch on 

 scapulars. - - . . 



Length about 5-50 ; height of bill at base -20. Up- 

 per mandible without a knob ; bill slender and 

 narrow for its length. Conspicuous while patch 

 on scapulars. - . . . . 



4. carntschalicus. 



5. letraculus. 



6. Cassini, n. s. 



- 7. microceros. 



8. pusillus. 



Symorhynchiis pnitaculus (Pall.), Schl.— Habitat : Asiatic and 

 American coasts of the North Pacific; Aleutian Islands; Kamt- 

 schatka (Mus. Acad. Philad.); Russian America (Mus. Smiths. 

 Institution); Behring's Sea (Schlegel, Mus. Pays-Bas); Japan? 



Bill moderately large, much compressed, densely feathered for 

 some distance at base of upper mandible and sides of lower. Upper 

 mandible almost perfectly oval in its lateral aspect, its culmen gently 

 curved, and its tomial edges more decidedly convex, the former 

 descending, the latter rapidly ascending to meet at an obtuse augle. 

 Lower mandible extremely slender, falciform in shape, strongly 

 curved upwards, its tip very acute, its tomial edges concave, corre- 

 sponding to the convex tomia of the upper mandible; the gonys 

 much and regularly curved. Nasal fossae long and wide, but rather 

 shallow ; the nares rather broadly linear, or narrowly oval, overhung 

 by a slightly projecting scale. Frontal feathers embracing culmen 

 in a slightly reentrant angle, thence descending about perpendicularly 

 to the very edge of the upper mandible. Feathers on side of lower 

 mandible not extending quite so far as those on side of upper. Inter- 

 ramal space fully feathered, but in consequence of the peculiar shape 



