Pacific /Spfct^s o/* Hipiioglossoltle.?. 307 



I£ we try now to summarize the facts given above, we shall 

 Ijuve the following scheme : — 



Genus HiPPOGLOSSOlDES, Gottsche, 1835. 



[=Citharus, Reinhard, 1838, = Brepanopsetta, Gill, 18Ql, = Po}nato- 

 psetta, Gill, \8Qi:, = Cynopsetta (Schmidt jwYtV^.)) J<^i'dau & Starks, 

 1906.] 



I. Branchiostegal rays 8. Lateral line single, 



nearly straight. The contours of the 

 dorsal and anal fins iu the posterior half 

 convex. (Atlantic Ocean.) H. platessoides, Fabr. 



II. Branchiostegal rays 7. Lateral line single, 



slightly rising anteriorly or forming a very 

 low arch. The contours of the dorsal and 

 anal fius in the posterior half concave. [Gilb. 



(Pacific Ocean.) H. elassodon, Jord. & 



a. The prominent teeth in the anterior part 



of the upper and lower jaws large, [(Schmidt). 



canine-like H. elassodon dubius 



h. The prominent teeth in the anterior part 

 of the upper and lower jaws not very 

 large. 

 «. The number of ravs in dorsal fin 76-86, 



mostly 81-83 ; in anal 60-69, mostly [(Jord. & Gilb.). 



63-07 H. elassodon elassodon 



B. The number of rays in dorsal fin 67-75, 



mostly 71-74; in anal 51-59, mostly [(Gill & Towns.). 



64-55 U. elassodon rohustus 



The synonymy of the three subspecies of Hijjpoglossoides 

 elassodouj Jordan & Gilbert, will be as follows: — 



1. Hippoglossoides elassodon dubius (Schmidt). 



Cynopsetta duhia, Schmidt (m litt.), 1902. 

 Hippoglossoides dubius, Schmidt, 1904. 

 Cynopsetta dubia, Schm. ; Jordan & Starks, 1906. 

 Uipjioglossoides dubius, Schm. ; Snyder, 1912. 

 Cynopjsetta dubia, Schm. ; Jordan, Tauaka, & Snyder, 1913. 



2. Hippoglossoides elassodon elassodon (Jord. & Gilb.). 



Hippoglossoides elassodon, Jordan & Gilbert, 1880, 



„ „ Bean, 1881. 



„ „ Jordan & Gilbert, 1883. 



„ „ Jordan &; Goss, 1886. 



,, ,, Jordan & Eveimann, 1898. 



„ „ Jordan & Gilbert, 1899. 



„ „ Schmidt, 1902, 1904. 



„ „ Jordan & Starks, 1906. 



„ . „ Gilbert & Burke, 1910. 



Hippoglossoides katakurce, Snyder, 1911, 1912. 

 Jlippoyhssoides elassodon, Jordan. Tanaka, & Snyder, 1013. 

 Jiipjioglossoides katahurer, Sn. ; Jordan, Tanaka, & Snyder, 1913. 



