126. MALTHID^E. 849 



472. H1MANTOLOPHUS Reinhardt. 

 (Corynoloplim Gill.) 



(Reinhardt, Dausk. Vidensk. Selsk. Nat. 1837, 74: type Himantoloplius grosnlandicus 

 Reinhardt.) 



Body aiicl head oval, compressed. Skin more or less prickly. Mouth 

 moderate, the cleft oblique, the joint of the inaudible below the eyes. 

 Gills in 2 pairs; gill-arches armed with dentigerous tubercles. Spiu- 

 ous dorsal represented only by a single long rostral spine, the basal 

 clement of which is procumbent and subcutaneous. Greenland. 

 a thong; Aoyoq, tuft.) 



1310. II. greefialaBBdicus Reiuh. 



Body oblong-oval. Cephalic ray provided with about 11 tentacles. 

 Depth 2. D. 1-9; P. 12. Greenland. (Gill.) 



(Reinhardt, 1. c. 74; Gill, Proc. U. S. Nat. Mus. 1878, 218.) 



1311. H. rcHBiiiardti Liitken. 



Body short-oval. Cephalic ray length of head, with about 8 ten- 

 tacles. Skin sparsely covered with thorn-like prickles. Depth 1|. 

 D. 1-5; P. 17. Greenland. (Gill.) 



(Liitken, Kong. Dansk. Vidensk. Selsk. 1878, 321: Corynoloplms reinltardti Gill, 1. c. 

 219.) 



FAMILY CXXVL MALTHID^E. 



(The Bat-fishes.) 



Head very broad and depressed, the snout more or less elevated, the 

 trunk short and slender. Mouth not large, subterminal or inferior, the 

 lower jaw included; teeth villiforin or cardiform. Gill-opeuiugs very 

 small, above and behind the axils of the pectoral fins. Body and head 

 covered with bony tubercles or spines. Spinous dorsal reduced to a 

 small rostral tentacle, which is retractile into a cavity under a promi- 

 nent process on the forehead; in one genus the rostral tentacle is ob- 

 solete; soft dorsal and anal fins small and short; ventrals well devel- 

 oped; pectoral fin well developed, its base strongly angled, with long 

 pseudobrachia and 3 actinosts. Brauchiostegals 5; no pseudobranchise! 

 Genera 3; species about 10; chiefly American. 



(Pediculati part; genera MaUhe and Halieutma Giiiither, iii, 200-205.) 



a. Snout produced; teeth on jaws, vomer, and palatines; mouth small. 



b. Rostral tentacle present ......................................... MALTHE, 473. 



aa. Snout obtuse; disk orbicular. 



c. Mouth small; rostral tentacle obsolete ; teeth on vomer and palatines. 



HALIEUTICHTHYS, 474. 

 cc. Mouth wide; rostral tentacle present ; no teeth on vomer or palatines. 



HALIEUT^EA, 475. 

 Bull. Nat. Mus. No. 1C - 54 



