294 



DISCOVERY REPORTS 



caudal than end of snout. No adipose fin. Anal 26-39; origin below or a little behind 



dorsal. 



Two species. 



Synopsis of the Species 



I. Praemaxillary armed with strong canines; dorsal fin wholly in advance of anal. i. maderensis 

 II. Praemaxillary without marked canines ; dorsal fin mainly above anal. 2. argenteolus 



Manducus maderensis (Johnson). 



Gonostoma maderense, Johnson, 1890, Proc. Zool. Soc. p. 458. 



Manducus maderensis, Goode and Bean, 1895, Ocean. Ichth. p. 515. 



Diplophos jninutus, Jespersen and Taning, 1919, Vid. Medd. Dansk nat. For. Lxx, p. 224, 

 pi. xvii, fig. 15. 



Diplophos moorei, Welsh, 1923, Proc. U.S. Nat. Mus. Lxn (3), p. i, fig. i. 



Depth of body nearly 7 in the length, length of head 5. Snout a little longer than eye, 

 diameter of which is 5 in length of head and a little less than interorbital width. Each 

 praemaxillary with 5 canine teeth and with much smaller teeth between them. Nine gill- 



Fig. 8. Manducus maderensis. Holotype. (x i.) 



rakers on lower part of anterior arch. Dorsal 12; origin equidistant from eye and base 

 of caudal. Anal 36 (?); origin a little behind last dorsal ray. Pectoral with 9 or 10 rays. 

 Pelvic 8 ; origin about equidistant from tip of lower jaw and last anal ray. Lower series 

 of photophores consisting of 11 in front of pectoral, 19 from pectoral to pelvic, 13 

 (i + 12) from pelvic to origin of anal, and 28 from anal to base of caudal; there are 46 

 (18 + 15 + 13) in the upper abdominal series and about 65 in the lateral line. 



Described from a single specimen, 135 mm. in length; type of the species. 



Hab. North Atlantic. 



Manducus argenteolus (Garman). 



Lycfmopoles argenteolus, Garman, 1899, Metn. Mus. Comp. Zool. xxiv, p. 244, pi. liii, fig. 4. 



Depth of body 7 in the length, length of head a little more than 5. Snout longer than 



eye, diameter of which is 5 in length of head and a little less than interorbital width. Each 



praemaxillary with two series of teeth, alternating, none of them distinctly enlarged. 



Fourteen gill-rakers on lower part of anterior arch. Dorsal 14-16; origin equidistant 



