956 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
percle. Body slender; head rather low; mouth large, subiuferior, the 
snout projecting bej’ond it; gill-membranes free from isthmus [fide Col- 
lett in lit.) ; five long cirri near the angle of mouth, one of them forked ; 
a forked cirrus on lower jaw ; snout longer than the large eye ; the 
longest cirri about as long as snout; a pair of short spines on snout; 
a pair of knotty protuberances above eye, and a pair of larger ones on 
frontal region ; shields of anterior part of back each with a large keel 
ending in a spine; keels elsewhere bluntish ; plates of breast tubercle- 
like and striate ; 4 shields between dorsals ; 5 before first dorsal ; 17 
before second ; 12 between ventrals and anal. Pectorals slightly 
longer than head ; ventrals moderate, longest in the males, the vent 
close behind them. Head 5 ; depth 8. D. VI-7 ; A. 7 ; Lat. 1. 40, the 
number of pores about 24. L. 9 inches. Greenland to Norway. ( Collett.) 
(Collett, Norske Norcl-Havs Exp. 18S0, 44.) 
Page 728. Agoniis cataphractus. 
This species should probably be omitted as not occurring within our 
limits, the Greenland references belonging to Leptagonus decagonus. 
I’age 728. The genus Bothragonus Gill here appears for the first 
time, the portion of Bull. U. S. Nat. Mus. XI, in which it was to be 
characterized having been withdrawn by the author. 
Page 733. Trigla cuculus should doubtless be omitted. It probably 
has never been taken on our coasts. 
Page 734. Instead of 1123, Prionotus punctatus read: 
1123. P. sciSasIcis J. & G. 
For the synonymy given, substitute — 
{Prionotus punctatus Jor. &, Gilb. Proc. U. S. Nat. Mus. 1878, 373, uot of C. & V. ; 
Jor. & Gilb. Pioc. U. S. Nat. Mas. 1882,228.) 
Page 734. After Prionotus scitulus read : 
1 1*.' 3 (h). P. pQiGDCtatiis (Bloch) C. & V. 
Olivaceous, with some small roundish spots ; dorsal with a dark 
blotch between fifth and sixth si)ines ; soft dorsal and caudal faintly 
barred ; pectoral witli two large blackish spots near its middle above, 
besides numerous pale bars and spots. Bod}* not very slender; pec- 
torals rather short, not reaching end of soft dorsal, slightly less than 
half length of body; free rays of pectoral slender; band of palatine 
teeth short, rather broad ; maxillary 2^ in head, not reaching eye ; 
preorbital feebly serrated, its edge armed with two rather strong 
