Bulletin 47, United States National Museum. 



374. STEPHANOBERYX, Gill. 



Stephanoberyx, GILL, Proc. U. S. Nat. Mus., 1883, 258, (mono*). 



Berycids with an elongated claviform contour ; body covered with 

 cycloid scales, scarcely imbricated, and armed about the center with one 

 or two erect spines ; an oblong head, with a moderate convex snout and 

 with thin osseous ridges, especially an inner V-shaped one on the crown, 

 whose limbs diverge on each side of nape, and an outer sigmoid one on 

 each side, above the eyes, and continuous with one projecting from the 

 nasal ; the inner and outer ridges connected by a crossbar on a line with 

 the anterior margin of the orbit ; rather small eyes, in the anterior half 

 of the head, and the teeth small, acute, and in a band on the premaxilla- 

 ries and dentaries (palate toothless), and with ventrals having 1 spine 

 and 5 rays. Deep sea. (artyavog , crown ; Beryx.} 



a. Dorsal and anal each with 13 or 14 rays. MONJK, 1216 



aa. Dorsal and anal each with 11 rays. GILLII, 1217 



1216. STEPHANOBERTX MONvE, Gill. 



Head 3; depth 3. D. 14; A. 13 or 14; P. 10; V. 1,5. Eye 4| in head and 

 nearly equal to snout; upper jaw slightly longer than postorbital part of 

 head. Gill rakers long and slender, about 25 below the angle; distance 

 of anal origin from end of head equal to $- length of head ; ventrals orig- 

 inating under middle of pectorals. Color brownish. One specimen, 2 

 inches long, obtained by the Albatross from station 2077, at a depth of 

 1,255 fathoms. (Goode & Bean.) (Named for Mona Gill, niece of Dr. Gill.) 



Stephanoberyx mouse, GILL, Proc. U. S. Nat. Mus., 1883, 258, Gulf Stream. (Type, No. 33445. 

 Coll. Albatross.) GOODE & BEAN, Oceanic Ichth., 186. 



1217. STEPHANOBERYX GILLII, Goode & Bean. 



Head 3 ; depth 3i ; eye 4 j snout 4. D. 11 ; A. 11 ; P. 13 ; V. I, 5 ; B. 7 ; 

 scales 9-33-7. Upper jaw as long as postorbital part of head ; gill rakers 

 long and slender, about 15 below the angle on first arch. Origin of ven- 

 trals behind end of pectorals ; distance of anal origin from end of head 

 fully equals length of head. Color in spirits pale, the back in front of 

 dorsal showing traces of rose. Length 4f to 6 inches. Gulf Stream, at 

 different stations in about 1,200 fathoms. (Goode & Bean.) (Named for 

 Theodore Gill.) 



Stephanoberyx gillii, GOODE & BEAN, Oceanic Ichthyology, 187, fig. 206, 1895, Gulf Stream. (Type, 

 No. 33555. Coll. Albatross.) 



Family CXIII. TRACHICHTHYID.E. 



Body ovate, deep, much compressed, with small ctenoid scales. Abdo- 

 men protected by a dermal scute which forms a serrated edge. Head 

 large, deeper than long ; superficial bones excavated and with conspicuous 

 muciferous cavities. Mouth very wide, oblique ; villiform teeth in jaws 

 and sometimes on vomer. Suborbitals very broad, covering the cheeks. 

 Branchiostegals 8. Gill openings very wide, the gill laminae very short. 



