NO. 1924. NEW PHILIPPINE ANACANTHINE FISHES— RADCLIFFE. 107 



coid than within the hypocoracoid, careful dissection being necessary 

 to show its true position. In Melanohranchus antrodes Jordan and 

 Gilbert the foramen hes on the edge of the hypercoracoid, and does 

 not encroach on the substance of the hypocoracoid; there is a shallow 

 fossa leading from the foramen in the former bone but none in the 



Oadomus multifilis. Melanohranchus antrodes. Regania sulcata. 



Fig. 1— Position of coracoid foramen in certain macrourids. 



latter. In the species of Regania examined the foramen lies witliin 

 the substance of the hypercoracoid, close to or at some distance from 

 the suture between the coracoid bones; the portion above and behind 

 the aperture is somewhat thinner, but does not form as distinct a 

 fossa as in other forms. 



Genus REGANIA Jordan. 



REGANIA FILAMENTOSA Smith and RadclifEe, new species. 



Plate 22, fig. 2. 



Dorsal ii, 10-107; anal 90; ventrals 8; pectorals 14. 



Head 5.34 in total length, broad, depressed anteriorly, cavernous, 

 greatest breadth shghtly exceeding length of snout plus eye; body 

 slender, tapering, greatest depth 7.58 in total length; length of head 

 and trunk 3.36; vent close to origin of anal; tail slender, compressed; 

 eye 4.30 in head, 1.34 in snout, 1,52 in interorbital, small; inter- 

 orbital 2.81, broad, flattened, with a low central depression; snout 

 3.22, broad, blunt, depressed, with a low median ridge; nostrils 

 close to eye, the anterior small, circular, the posterior large, slit-hke; 

 mouth large, terminal, shghtly obhque; maxillary 1.61, extending 

 beyond vertical from hinder margin of eye for one-half an eye diameter; 

 manchble included, shutting within premaxillary band of teeth; 

 mandibular barbel absent; narrow bands of small, shghtly depressible 

 teeth in jaws; vomer and palatines toothless; opercle terminating in a 

 slender spine; gills 4, a small slit behind the fourth; outer set of gill- 

 rakers long and slender, 5 + 20; pseudobranchise absent; coracoid 

 foramen small, situated at some distance from the edge of the hyper- 

 coracoid, a shallow fossa extending backward from its aperture toward 

 center of bone ; scales small, deciduous, unarmed, concentric striae well 

 developed, lateral hne arched anteriorly, becoming mechan posteriorly. 



Origin of dorsal over base of pectorals; first spine small, concealed 

 second elongate, fihform, 2.70 in total length; rays of first dorsal 



