LIST OF .lAI'ANESE FISHES— JORDAN AND SNYDKIL 749 



23. CARANGUS EQUULA (Schlegel). 



Yokohama. 



Generally coininon. It is proba])le that (lill and Bleeker are right 

 in regarding' C'<//-(//hr sj^cciosus, tha only s])('cies known to Coninicrson, 

 as the type of the genus Caran.v accepted by Lacepcdc from C'ommer- 

 son\s mairiscripts. ■' W/v//^r/^/.y Griffith shoukl l)t' preferred to 7\'!cr(>j>- 

 fmix Katines(|ue of earlier date, because under Tricrouterw no species 

 were mentioned Ijy its author. 



Family APOGONID.E. 



24. APOGON UNICOLOR Doderlein Ms., new species. 

 (Plate XXXI J I.) 



AjxH/oii laiicol'^/'is here described from thetypeNo. J:t>T08, U.S.N. M., 

 a specimen 75 millimeters long, in a poor state of preservation. Col- 

 lected at Yokohama, Japan, by P. L. Jouy. 



Head, 2f in length; depth, 2f ; depth of caudal peduncle, i'>^; diameter 

 of eye, 3i in head; snout, 3|; maxillary. If. D. YI-I + \)\ A. 11 + S; 

 P. 13. Scales in lateral line 24; between lateral line and spinous 

 dorsal 2; betw^een lateral line and anal 13. 



Depth of l)od3' a little less than length of head; the caudal peduncle 

 long and comparatively slender, narrowest near the middle. Inter- 

 orbital space convex. Snout bluntly pointed. 



Eye large; the diameter greater than length of snout. Ylouth 

 ol)li(iU(;: jaws equal; maxillary reaching almost to posterior edge of 

 orbit; its upper edge covered for. nearly the entire length ])y the 

 suborbital. Teeth villiform; in bands on jaws, palatines, and vomer; 

 the toothed area of the palatines very small. Gill-rakers on first arch, 

 5-f-13; those near the center of the arch very slender; near the ends 

 the}^ are reduced to minute knobs. 



Opercles and preopercles with large, weakly ctenoid scales: other 

 parts of head naked, the skin 'thin and transparent; opercle with a 

 small, sharp spine on its posterior edge. Body with large, ctenoid 

 scales; those on posterior end of caudal peduncle small, encroaching 

 on base of caudal tin. Lateral Ibie complete; similar in shape to 

 contour of back. 



First spine of dorsal sTiiall, little longer than the sixth; the second 

 strongest and highest; the others successively shorter and weaker; 

 the fin Avhere depressed reaching just past insertion of second dorsal. 

 Spine of soft dorsal slender and straight; equal in height to vertical 

 diameter of eye; the rays about one and two-third times as long as 

 the spine. Anal inserted directly below middle of second dorsal; the 

 first spine minute; the second as long as the spine of soft dorsal; the 

 depressed rays reaching posteriorly about as far as those of the dorsal, 



