Genus Lagenorhynchus
T he S hort-beaked Dolphins
tmrkynchm the head is rounded,
fe either in contact or separate,
iterate in size; the caudal ridg
iry in number from twenty-two
venty-three to ninety-two accord«
and except in one species— L . obscurus—
im is large and broad. The pterygoid
The dorsal and pectoral fins; are falcate
» are prominent. The teeth, generally
to forty-five in each jaw, the vertebrae
T H E W H IT E -S ID E D D O L P H IN
Délpkw u* cicuhts, Gray, 1 Spicil. Zoo!.' vol. i. p. 2 {1828).
ackriihtii, Schlegel, 1 Ä b h a n d l . Gebiete Z o o l . ’ p. 2 3 ( 1 8 4 1 ) .
Rasch, ‘ “ Nova Spec.” Nyt. Mag. Naturv.’ vol; iv. p. 9?
f nfttnfy 1 t nfrrt seuàus, Gray, •1Z00L Erebus and Terror/ p. 35 (1846).
faemeytâmeu* *»'**■ >*#< Gray, 1 Syn. Whales and Dolphins/ p. 7 (1868).
Îjqfew rkyM eêm Cope, ‘ Proc. Acad. Nat. Sei. Philad.' p. 136 (1876
Lagenoriymkm Cope, * Proc. Acad. Nat. Sei. Philad.’ p. 138 (1876).
(Norwegian).
Characters.— The general
thickset; the short beak has a sBg
either side of the head. The fore
and recurved; the pectoral fins are
of the tail are large, the caudal
forehead, back, and pectorals are
the upper parts of the sides of
A black band, not always present,
sides to a point in line with the c
the base of the pectoral fins to a
VOL. III.