96 PROCEEDINGS OF THE NATIONAL MUSEUM vol.85 



MONHOPLICHTHYS GREGORYI, new species 



Figure 44 



Depth 114/5 to 1234; head Si/g to 31/5, width II/3 to 11/2. Snout 

 3Ji^ to 31/2 in head; eye ?>% to 4, IVs to li/g in snout; maxillary ex- 

 tends below first % in eye, length 21/3 to 21/0 in head ; teeth minutely 

 villiform, in bands in jaws, continuous band across vomer and band 

 on each palatine; interorbital very narrow, width 6 in eye, deeply 

 concave. Gill rakers 2 + 12, rather short, firm, lanceolate, equal gill 

 filaments or 1/5 or eye. 



Bones of head all finely or minutely serrate or striate, and on top 

 of head pair of rather wide set spines represent parietal at upper 

 hind orbital edge and strong short occipital pair, though both pairs 

 small. Serrae of lateral ridge or suborbital stay all small, rather 

 numerous, and 4 enlarged spines moderate, with first directed for- 



H.W.F.del. 



Figure 44. — MonhopUchthys gregoryi, new genus, new species. Type. 



ward. Preopercular spine with anterior outer ridge bearing 8 or 

 9 graduated serrae up to large anterobasal spine ; preopercular spine 

 l^_j to 114 in eye. Opercular spines rather slender, ends opposite. 

 Strong keeled humeral spine. Lateral line with 28 to 29 spines, 

 larger and stronger posteriorly. 



D. VI-15, I, first spine 21/8 to 3 in head, first ray 21/5 to SVs and 

 sixth to eighth prolonged or filiform, or nearly long as head ; A. 17, 

 I, seventh ray 31/2 to 33^, edge of membrane notched after tip of 

 each ; caudal 11/2 to 2, median rays longest, lower rays slightly longer, 

 and hind edge of fin little oblique; least depth of caudal peduncle 

 33^ to 33^ in eye ; pectoral reaches third anal ray or 1-^^ to 2 in head, 

 rays 12, iii, or 13, iii, lowest ones detached, free, and li/s to 11/5 in 

 fin ; ventral rays I, 4, fin 23/5 to 23/4 in head. 



Pale or light brown, apparently largely whitish below. Iris light 

 gray. Fins uniformly pale, nearly white. Spinous dorsal with mem- 

 branes dark brown. 



7y^e._U.S.N.M. no. 98862. D. 5519. Point Tagolo Light, S. 

 71° W., 8.7 miles (lat. 8°47' N., long. 123°31'15" E.), vicinity of 

 northern Mindanao. In 182 fathoms. August 9, 1909. Length 202 

 mm. 



