284 CONTRinUTIOXS to north AMERICAN ICHTHYOLOGY IV. 
coneavo part of its inarfiin. Itotli jaws with Tninute teeth. Gill-rakers 
very loiijx. Pectorals and veiitrals developed. Dorsal well hack, but 
before anal. Adii»ose lin rudimentary. Anal fin Ion". Dranchioste^als 
8 or h. Size small. Species about 4. (Dedicated to Maurolico, an 
Italian naturalist.) 
•Phosphoreacont organs appearing as impressions on the skin, 
■1«S. ITI. ll»orc;ttJis (Nilss.) Giinthcr. 
Dark greenish, sides silvery. J3ody compressed. Mouth wide, the 
lower jaw much ])rojecting. Teeth small. Eye large, 3 in head. Five 
luminous spots on the throat, 13 between pectorals and ventrals, above 
these a row of 8, o between ventrals and anal, vent to tail 2-4. ])orsal 
nearer tail than snout. Adipose tin very small. Ventrals below dorsal. 
Caudal forked. Dead 3J; depth 3:}:. D. lOj A. 15. L. inches. 
[Storcr.) North Atlantic; rare off our coasts. 
{ScopiUis borealis Nilsson, Observ. Zool. [); Giinther, v, a&l) : Scopclus humboldti DeKay, 
N. Y. Fauna, Fish. 240: Scopclus humboldti Storcr, Hist. Fish. Mass. 328 (not ot Cuvier). 
Family XLIV.— CIIAULIODONTID.E. 
{The Chauliodonts.) 
P.ody oblong’ or elongate, compressed, covered with rather large, thin, 
deciduous scales. Lateral line present. No barbels. Series of phos- 
phorescent spots runidng along the lower side of the head, body, and 
tail. Head much compressed, the bones thin, but ossified. ]\[outh with 
the cleft extremely wide, its margins formed by maxillaries and pre- 
maxillaries, both of which are provided with teeth. Teeth unequal, 
some of them long and pointed, fang-like. I^ectorals and ventrals well 
develoi)ed. Adipose tin present. Caudal forked. Gill-openings very 
wi{le. No pseudobranchiiE. No air-bladder. Deep waters of the At- 
lantic. • Genera 2, Gonostoma and Chauliodns^ differing widely in the 
position of the dorsal, the size of the anal, and the development of the 
gill-rakers ; 2 species are known. 
{Stcrnoptychidai gvowp Chauliodoutiua Giinther, v, 391, 392.) 
*Dorsal in front of ventrals; no gill-rakers; anal with less than 20 ray.s. 
CTiauliouus, 133. 
C’ISAVflAODlIS Bloch A Schneider. 
Yiper-Jishes. 
(Bloch A .Schneider .Syst. Ichth. 1601, 4‘30: type Chauliodus sloaiii Bloch A .Schneider.) 
Pody elongate, conqu’essed, covered with very thin deciduous scales 
of modertite size. Head .short, much compressed and elevated, the 
