I2 3 



Gonostotna dongatum Alcock, Ann. Mag. Nat. Hist. (6). VIII. 1891, p. 127, 



Descript. Cat. Indian Deep-sea Fishes, 1899, p. 139. 

 Cyclothonc dongata Goode & Bean, Oceanic Ichthyology, 1895, p. 101. 

 Cydothone dongata Jordan & Evermann, Fishes of North & Middle America, I. 



1896, p. 583. 



Gonostotna dongatum Brauer, Deutsche Tiefsee Exp. Tiefseefische, 1906, p. 75. 

 Gonostoma dongatum Max Weber, Siboga-Exp. Fische, 1913, p. 17- 



Fig. 45. Gonostoma elongatum Gthr. (after Brauer). 



B. 14; D. 13; A. 2730; P. 1113; V. 78. 



Height about 7, head 4 ! / 2 or more, eye 6 8, equal to snout 

 or somewhat shorter and less than interorbital space. Nostrils 

 nearer to eye than to point of snout. Suborbital bone broad, 

 dilated, covering about anterior half of cheek. Gape of mouth 

 exceedingly wide. Intermaxillary reaching to vertical through 

 anterior border of eye. Maxillary curved, extending to angle 

 of praeoperculum. Lower jaw prominent with a pointed sym- 

 physis. Origin of short dorsal and long anal opposed, behind 

 middle of body and slightly behind anus, before the beginning 

 of the last J / 3 of the length. Anal ending behind adipose fin, 

 near forked caudal. Ventrals before middle of body, not 

 reaching the anal. Pectorals short, not extending to ventrals. 

 No scales. Intermaxilla with 2 4, maxilla with 12 15 curved 

 larger teeth, the two hindermost directed sowewhat backward, 

 the spaces between them filled with smaller teeth. Man- 

 dible with about 10 large, slightly curved teeth, numerous 

 smaller ones between them. Vomer edentulous. Palatines with 

 a series of 3 5 teeth. Luminous organs: a black suborbital 

 organ, ventrally connected with a yellowish organ obliquely 

 directed backward. One dorsally at the hindborder of the 

 praeoperculum, ventrally connected with a long yellow glan- 

 dular patch. One behind the end of the maxilla; an incon- 

 spicuous one on each side behind the symphysis, 9 between 

 the branchiostegal rays. A ventral series of 4 between isthmus 

 and pectorals, 10 n between pectorals and ventrals, 5 be- 



