wk 
the sides, and strongly keeled in the centre behind; hinder edgé of 
blow-hole rather prominent. Intermaxillar wide, convex above, leaving 
a rather broad open space in front. Palate rather concave in front, 
convex in the centre behind, the hinder part keeled on each side. 
Lower jaw thick, blunt, and rather produced beyond the upper in 
front. Skull rather compressed behind. Teeth = 
cylindrical, conical at the top. The frontal ridge half the distance 
rather slender, 
between the notch and the convexity of the condyles ; condyles large, 
rather oblique ; foramen magnum rather wider than high. 
in. lin. 
Lenpth, ontite des say o0k os 4 o's g 15,0 
Gt Henke oe meres ot oy tere LO 
ofsteeth-line i. .0/.:. eee shene 2 6 10 
Gr lower Jaw. sdevs eee LL TT 
Widthvat notch 2 eros. Balt 
HEZONDIG YE eiaiue poten eisteta ro ec'eke 6 5 
at middle of beak ........ 2 10 
of middle of intermaxillar.. 1 3 
at condyles above........ 3 3 
Height of each condyle .......... Lite 
Skull fromnoteh) Soe. aacis ssc e se 6 10 
LAaGENORHYNCHUS CLANCULUS. 
Skull wide and rather high behind; beak flat, outline wide at the base, 
rapidly tapering and acute in front, but rather convex on the sides ; 
sides slightly rounded, the hinder edge near the notch only slightly 
turned up and rounded ; lower jaw high behind ; triangle extending to 
near the middle of the beak. Teeth = small, cylindrical, curved, ra- 
ther acute at the top ; the lower front one very small. Intermaxillaries 
broad, hard. 
in. lin. 
Lengiliventire., we tins. smiles 14 6 
ol beak,.....-.stztisetl le. Gey Gio 
Ob skiilly te ate see 2 io 
of teeth=line (sek see e 6 6 
Gt 1GWEE JOM weet se ates ll 3 
of s hysis of lower jaw.. 1 4 
Width at aig = eR * SIE WALT, 
QUIORDUL eyes Gre oes este (ect we 7 6 
av middleon beak ss sean aed. 
of intermaxillarin middle . 1 4 
of condyles above ........ 2 10 
Hab. Pacific. 
Very peculiar for the elongation and reflexion of the beak before 
the notch, and the regular beveling of the sides of the beak. 
LaGENORHYNCHUS THICOLEA. 
Skull rather narrow behind ; beak elongate, almost one-fifth longer 
than the length of the head, rather dilated and concave above behind, 
with the side edges in front of the notch elongated, keeled, and turned 
ee a 
