BALENA, BLENNEUS. 457 
black. 2 Var. large spiracle. From 50 to 100 
feet long. North seas. 
physalus, (fin-whale,) spiracles double on the mid- 
dle of the forepart of the head; a soft fin at the 
extremity of the back. 4 feet long. ‘Temperate 
zone. 
Joops, (pike-head whale,) spiracles double on the 
snout; a horny protuberance at the end of the 
back. 46 feetlong. North seas, 
gibbosa, (bunched whale,) back gibbose ; dorsal 
fin none. 1 Var. one bunch on the back. 2 Var. 
six bunches on the back. United States coast. 
snusculus, (round-lip whale,) spiracles double on 
the forehead ; under jaw very broad. 78 feet 
long. Norwegian seas. 
rostrata, (beaked whale,) nose elongated to a peak: 
dorsal fin fat. 25 feet long. Norwegian seas. 
See MS. P. 
4—5. Bauisres. Spec. 24. 
-emericana, (prickle-fish.) dorsal and ventral rays 
very low, second dorsal fin and triangular anal 
one larger. 
See MS. P. 
8—6. Buiattra. Spec. 42. 
orientalis, (common cock-roach,) yellowish-brown, 
without spots ; wing-cases abbreviated, with 
an oblong groove. 
americana, (sugar cock-roach,) ferruginous; shield 
of the thorax whitish behind. 
See MS. P. 
| 4—2. Buennevus. Spec. 18. 
phycis, (hake,) nostrils subcrested ; lower lip with 
a cirrus ; back with two fins. 
See MS, P. 
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