848 CONTRIBUTIONS TO N<1H'II AMERICAN ICHTHYOLOGY - IV. 



base of caudal: membrane behind, dorsal and anal extending nearly to 

 base of caudal. I). I, I, 4; A. 4; C. S; P. 10. Greenland. 



(Kroyi-r. Natnrh. Tidsskr. 16-14, G3U; Guntlu-r, iii, 205.) 



47O. MAWCAL.IAS Gill. 

 (dill, Proc. U. S. Nat. Mus. i, 2t7, 1878: type CeraHa* Hniiioxcopit* Murray. 



General characters of Cerallnn, but with the spinous dorsal reduced to 

 a rostral spine, and two fleshy claviforin tubercles behind it. Pectoral 

 tins narrow, with about 10 slender rays. (Latin mant-H*, detective, "with 

 a quasi-diminutive termination to correspond with 



13. 31. uranoscopoS'(Murray) Gill. 



rnil'orin black. Anterior spine of first dorsal ])roduced in a long 

 filament, ending in a pear-shaped bulb, terminating in a semi-trans- 

 parent whitish spot, this spine originating on posterior part of head, 

 and reach ing, when depressed, nearly to the tip of tail; far behind this 

 are two short, lleshy tubercles, lying in a depression in front of second 

 dorsal. Teeth moderate, depressible. Skin everywhere with minute, 

 imbedded conical spine*. Kyes very .small, placed high on the middle 

 of tin- head. D. 1-3 or 4; A. 4; C. 8; P. 10. (Murray.) Deep seas; 

 taken at Madeira and off the coast of Southern Xew England. 



ruliiix uniiioxco/nix Murray, in Wyvillo Thompson, The Atlantic, ii, (57, 167^: Gill, 

 1. c. -'-'- ';, Goode, Proc. U. 8. Nat. Mus. 1 I), 4(i<>.) 



471. ON I RODE S Liitk.-n. 

 Liitkcn, Overs. Kon^. Dansk. Vidcnsk. Sclsk. ForhaiKll. 1.-71, .">(',: type 



Illliiioilix rxcltriclltii IJilkl'U.) 



Head and body coaipressed, oval, covered with smooth skin. Mouth 

 moderate, almost hori/ontal ; vomer with teeth. Gill ai'che> unarmed; 

 gills in L'J, pairs. Spinoiis dorsal represented by a rostral spine, the 

 basal element of which is procumbent and subcutaneous, and a second 

 spine about mid\\ay between the rostral spine and the soft dorsal. 

 (.reeidand. ('.>:/<w ?/,;-, dream-like, in allusion to the small, almost 



covered, eyes.) 



O. 



Black; terminal half of the bulb of the cephalic spine whitish. 

 Cephalic spine \\illi a bulbous termination, surmounted b\ slender 

 filaments, in several transverse rows. Caudal tin shorter than trunk. 

 without head. D. 11-1. I >eep sea. off ( Ireenlaiid. (<////.) 



(Liiikcn, Dansk. Vi<l.Mi>k. S, l.k. ],!,. ],-71, r,7 : Gill, I'm,-, r. s. Nat. Mus. 1878, 

 2180 



