DELPHINUS FITZ-ROYI.
PLATE X.
_D. suprà niger; capitis corporisque lateribus, corporeque subtùs
niveis; caudâ, pedibus, labioque inferiore, nigris; fasciis
latis duabus per latus utrumque obliquè excurrentibus,
nigréscenti-cinereis, hujusque coloris fasciâ, utrinque ab
angulo oris ad pedem tendente._
DESCRIPTION.—Upper parts of the body black, under parts pure white,
the two blended into each other by gray: extremity of snout, a
ring round the eye, the edge of the under lip, and the tail fin,
black; dorsal and pectoral fins dark gray; a broad gray mark
extends from the angle of the mouth to the pectoral fin; above
which, the white runs through the eye and is blended into gray
over the eye; two broad deep gray bands are extended in an oblique
manner along each side of the body, running from the back
downwards and backwards; iris of eye dark brown. Body anteriorly
somewhat depressed, posteriorly compressed; head conical, arched
above; the lower lip projecting beyond the upper; eye placed above
and behind, but near the angle of the mouth; breathing vent
situated in the same line as the eyes—supposing a circle to be
taken round the head. Teeth slightly curved, and conical; in the
upper jaw twenty-eight in number on each side, and in the lower,
twenty-seven.
Ft. In. Lines.
Total length (measuring along the curve of back) 5 4 0
Length from tip of
muzzle to vent 3 10 9
to dorsal fin 2 6 5
to pectoral 1 4 5
to eye 0 9 9
to breathing aperture
(following curve of head) 0 10 7
to angle of mouth 0 7 9
of dorsal fin along the anterior margin 1 0 5
Height of do. 0 6 4
Length of pectoral, along anterior margin 1 2 8
Width of tail 1 4 5
Girth of
body before dorsal fin 3 0 6
before pectoral fin 2 8 2
before tail fin 0 7 8
of head over the eyes 2 0 0