(hi ncio J>ij>anese Marine Malliiscti. 33 



Pomadasidae. 

 8. Pumadasys bay anus, Jord. & Everm. 



Mugilidae. 

 9. Agonostoinus nasutus, Gunth. 



GoMidrB. 

 10. Sicydium coiidutense, sp. n. 



Depth of body 6h in the length, length of head 4|-. 

 Diameter of eye 4 in length of head, interorbital width 5. 

 Teeth of upper jaw hi- or tricuspid ; horizontal teeth of 

 lower jaw concealed. Head naked; nape, an ai'ea behind 

 pelvic fins, and a vertical strip connecting these just behind 

 base of pectorals naked ; scales ciliated, GO in a longitudinal 

 series, 16 or 17 between origins of second dorsal and anal. 

 Dorsal VI, I 10. Anal I 10. Second dorsal and anal 

 highest anteriorly ; last rays, when laid back, not nearly 

 reaching caudal. Pectoral as long as head. Caudal sub- 

 truncate. Greenish, with dark cross-bars and an indistinct 

 lateral band ; caudal with two dark cross-bars ; soft dorsal 

 with series of small dark spots on the rays ; anal with a dark 

 intramarginal line. 



A single specimeu, GO mm. in total length. 



Soleidae. 

 11. Achinis panamensis, Steind. 



V. — Descfiptiuns of Fifteen neio Japanese Marine Mollasca. 

 By G. B. SOWERBY, F.L.S. 



[Plate II.J 



Turbo {Callopoma) excellens, sp. n. (PL II. fig. 1.) 



Testa globoso-turbinata, imperforata, crassa, pallide carnea, vivide 

 rutb-fiisco picta ; spira conica, elatuiscula ; anfractus 5, convexi, 

 sutura an^uste canaliculata sejuncti, spiraliter lirati, minute 

 plicato-nodulosi ; peuultimus triliratus ; anfractus ultimas iu- 



Ann. & Mag. X. Hist. Ser. 8. Vol. xiv. 3 



