458 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 39. 



Diacope calveti Temminck and Schlegel, Fauna Japonica, Poiss., 1843, p. 14 



(Nagasaki, not of Quoy and Gaimard). 

 Mesoprion gaimardi Bleeker, Act. Soc. Sci. Ind. Neerl., vol. 6, 1859, p. 23 



(Waigiou). 

 Diacope xanihopus Cuvier and Valenciennes, Hist. Nat. Poiss., vol. 3, 1829 



p. 495 (Trinquemali) . 

 Diacope axillaris Cuvier and Valenciennes, Hist. Nat. Poiss., vol. 6, 1830, 



p. 532 (Indian Seas). 

 Mesoprion kagoshimx Doderlein Ms. in Steindachner and Doderlein, Fische 



Japans, 1883, p. 28 (Kagoshima). 



Habitat. — East Indian Seas, north to Kagosliima in southern Japan. 



Description. — Of a specimen 14 mm. in total length, from Okinawa, 

 Riu Kin Islands, with numerous specimens from Apia, Samoa, and 

 one from Keerun, Formosa. 



Head 2^ to 2| in body to last vertebra, 3| to 4 in total, depth 2^ to 

 2f in body; maxillary 2 J to 2§ in head; longitudinal diameter of eye 



Fig. 4. — LUTLVNUS vaigiensis. 



3^ to 4; interorbital space (bone) 5 or 6; width of preorbitals 5 to 5J; 

 snout 2^ to 2 J (IJ eye) ; D. X, 13 or 14; A. Ill, 8 or 9; scales above 

 lateral line 58 to 65 ; below 49 or 50 ; in transverse series from inser- 

 tion of dorsal to anal 8/15 or 16; pyloric caeca 7 (Kner). 



Head somewhat conical ; its dorsal profile straight or slightly con- 

 vex. Jaws equal; maxillary ending below anterior half of eye or 

 below pupil; tip of premaxillary below level of lower border of orbit. 

 Teeth in both jaws larger externally, a small canine on either side of 

 premaxillary, inner teeth in villiform bands, present anteriorly only in 

 lower jaw. Vomerine teeth in a //\-shaped patch; palatine bands 

 narrow; tongue without teeth; notch on preopercle moderately deep, 

 with correspondingly strong laiob on interopercle. Margin of pre- 

 opercle finely serrated above, more coarsely and stronger below and 

 on angle. 



Dorsal spines strong, fourth longest, and contained 2J to 2f in head; 

 base of spinous dorsal 3J in body length, soft dorsal base 4^ or 5. 



