284 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



concave- part of its margin. Doth jaws with minute teeth. Gill-rakers 

 very Ion--. IVrtorals and ventrals develoi>e(l. Dorsal well back, but 

 before anal. Adipose fin rudimentary. Anal fin long. Branchiostegalfl 



8 or 0. Si/.e small. Species about 4. (Dedicated to Maurolico, an 

 Italian naturalist.) 



"rhnsjilioiv.-rrnt ni-^aiis appearing as impressions on the skin. 



46. OT. foorcaSis (Nilss.) Giinther. 



Dark greenish, sides silvery. Dody compressed. Mouth wide, the 

 lower jaw much projecting. Teeth small. Eye large, 3 in head. Five 

 luminous spots on the throat, 12 between pectorals and ventrals, above 

 these a row of 8, 5 between veutrals and anal, vent to tail i4. Dorsal 

 nearer tail than snout. Adipose fin very small. Ventrals below dorsal. 

 ( audal forked. Head ;5i; depth 3. D. 10; A. 15. L. 2.} inches. 

 (Xtorcr.) North Atlantic; rare off our coasts. 



(ScojHlus l)(-ri-(i1iti Xils.>oii. Olisrrv. Z<><>1. <l; (uinHier, v. :'>'.): Scojiclux hnnibnldti Ik-Kay, 

 N. V. Fauna, Fish. 240: Scopelus humboldti Storei, 1 list. Fish. Mass. :}>- (not <>t ( 'nvier). 



FAMILY XLIV. CIIAULIODONTID.E. 



(The Cliauliodonis.} 



Body oblong or elongate, compressed, covered with rather large, thin, 

 deciduous scales. Lateral line present. No barbels. Series of phos- 

 phorescent spots running along the lower side of the head, body, and 

 tail. Head much compressed, the bones thin, but ossified. Mouth with 

 the cleft extremely wide, its margins formed by maxillaries and pic- 

 maxillaries, both of which are provided with teeth. Teeth unequal, 

 some of them long and pointed, fang-like. Pectorals and ventrals well 

 developed. A dipose fin present. Caudal forked, dill-openings very 

 wide. No pseudobranchiir. No air-bladder. Dec]) waters of the At- 

 lantic. denera 2, GonoNtonut and ('Imiilnxlns^ differing widely in the 

 position of the dorsal, the size of the anal, and the development of the 

 gill rakers; L' species are known. 



rnoptyohidte group ^haul'uxlDniinn cii'itlii-r. v. :;'.M, :ii>J.) 



I'.'i-sal in I'roni nl vi-nii-aU; n<> jjill-rak.-rs; anal \vitli l-^s tlian -,'() 



CiiAri.ioi.rs. 133. 



i:t:i.-c;ilAl T l,lODirK ISI.M-II A 



Viper-fishes. 



Syst. Icliih. I.-M|, |:;n : \ >]>t 

 JJody elongate, compressed, covei-ed \\ith very thin deciduous scales 

 of moderate si/.e. Head short, much cum]iicssed and elevated, the 



