NO. i;^OG. JAPANESE BERYCOID FISHES— JORDAN AND FOWLER. 



17 



forked, the lobes produced; rudiinentary caudal rays as 4 graduated 

 spines above and ])elow. Lateral line inclined to the base of the caudal; 

 caudal peduncle compressed, about 1\ in the ej^e. 



Color red in life, in alcohol brown, the sides with 11 white longi- 

 tudinal ))ands following the course^ of the scales; spinous dorsal with 

 a narrow white longitudinal l)and running not far from the base of 

 the tin, above which in front is a broad 1)hu'kish band, distinct between 

 th(^ first 3 spines only. 



Total length 1] | inches. Here described from a specimen from 

 Okinawa, Riukiu. 



Fk;. 4. — HOLOCENTRUS ITTODAI. 



Of this species we have a single example from Nafa, in Okinawa. 

 It is apparently nearest to Ilolocentrus diadema, but it is markedly 

 different in color. 



{ittodai, numl)er one Tai or Porg}'; Itto, meaning number one among 

 many, (pro))ably for its beauty.) 



Family IV. POLYMIXIID.E. 

 BARBUDOS. 



Body rathei" elongated and compressed; scales not serrated; lateral 

 line continuous with back; head compressed, and with a decurved pro- 

 tile; preoperculum serrated; mouth with a lateral and nearly horizon- 

 tal cleft; teeth villiform, on both jaws and on palate; branchiostegal 

 apertures large, the gill-mem])ranes separate, free from the isthmus; 

 branch iostegals 4; dorsal moderately elongated, with several spines, 

 increasing backward; anal opposite the posterior portion of dorsal, 

 armed with ?> or I spines; pectorals with liranched rays; ventral tins 

 thoracic, each with a spine and or 7 rays. Vertebrae in increased 

 Proc. N. M. vol. xxvi— 02 2 



