Translation 2783

.... 189
than in the sperm whale, .e'rlere is a single nostril, located slightly
to the 'left of the centre line of the head, ira:leâiately above tne
point of the lower jaw, but it is placed farther foi•4ia:,:d than in other
toothed whales.
The lower jaw is short, its length being twice its width, and
falls short of the end of the head by one-twelfth of its length. In
the second half of its length (from tee corner of the nouth) tnere
are two rows each colatainirlF; from nine to 16 pec -like teet1L. The
i
teetll in the ur,.l)er ja.t•r (from three to seven on oach side) are rl.ldimentary.
The teèth in the-lotaer jaw are cut only after tiie arli.inal
atta.ins. sexual maturity; they fit into depressions in the E;urns of the
upper jaw. The relatively--large eyes are located well above, and
just behind, the corner of the mouth.
)?ytf,my sperm whales are black or darle-blue e.bove; trieir sides
are rather liühter in colour; the ventral si(le is clarlc--Erey or even
white. bometirles. there is a white strilre behind the eye.
lhei@e are usually 56 vertebrae ^ soverl cervical, cornpletely
fuzsed tol.;etllcr; 13 tl•lorra.cio, nine lunlbar, arui 27 caudal)
i:y[I,my sperm whales are mostly re,-^'LriotCa to the ti•r,1rm and terlfLC:rë)te
zones of the .,^•Llaiit=ic, Î.11d:1.C-tn, and _'CLcif].C: l i Cr.•s are nztri,ow ana close 'Lo,-etl(er, l-l)o dorsal fil, is in the
rer.lr 1•la].f of Lite body. 'l'llex•e is no distil,ct
botwuc^n tile
f^.1L^Cefi, :i0 tllrlt 't..lC 7.°(7fl.r e.(it',e of Lite (:il,l.lClil.a, l'lll is.
,'ll.? .l)loV-lloa.e ) wÎha.cll i.:i a.ll t(,('. fUY%.1 Cq, FL collvC'.? :il.l.t 1d.1A!1 LM,,
Ct?llv(':