F a m il y— DELPHINIDÆ.
D e l i'H in u s F i t z E o y i.
D . suprà niger; capitis corporisque lateribus, corporeque subtùs niveis ; cauda, pedibus,
lahioque inferiore, nigris ; fasciis lalis duahus per latus utrumque oblique excur-
rentibus, nigréscenii-cinereis, hujusque coloris fasciâ utriuque ab ángulo oris ad
pedem tendente.
D e s c r ip t io n .— 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 tlie eye ; two broad deep-gray hands are extended m
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.
Total lengtli (mcasuiing along the curve of back) . . . •
Length from tip of muzzle to vent
to dorsal f l u ......................................................
to pectoral . . . . . .
to e y e ................................................................
to breathing apcrtiu'C (following curve of head)
to angle of m o u t h ...........................................
of dorsal fin along the anterior m a r g i n ...........................................
Height of do.
Length of pectoral, along anterior m a rg in ......................................................
Width of t a i l ............................................................................................................
Girth of body before dorsal f in ............................................................................
before pectoral f i n .................................................................
before tail fin . . . . . . •
of bead over the eyes....................................................................................
Habitat, coast of Patagonia, Lat, 42° 30', (April.)