104 Hetero.cymiuu ¢ 
Two dorsals without spine in front ; first dorsal inserted nearer to origin of pectoral than 
to that of ventral, with emarginate dorsal margin and scarcely produced at posterior 
elge ; second dorsal inserted behind base of ventral, smaller than first dorsal, its dorsal 
margin nearly straight and posterior margin produced ; no anal. Pectoral moderate 
in size, its posterior margin slightly emarginate ; ventral rather small, slightly 
emarginate posteriorly ; caudal somewhat lunate, notch between upper and lower lobes 
being rather indistinct. Scales minute, finely shagreened ; no larger scales on back 
of caudal peduncle or elsewhere ; lateral line distinct ; short and rather indistinct ridge 
below lateral line on caudal peduncle ; back and under surface of caudal peduncle at 
base of caudal flat, without pit, 
Color in formalin blackish brown ; edges of all the fins darker. 
Described and figured from a female specimen 136 cm. long as measured to tip of 
caudal, taken at Tokyo Market, No. 3204, Science College Museum, Tokyo. 
Fleteroscymnus proposed here with Jongus as type is defined as follows : 
Snout depressed ; nostrils at the extremity of the snout ; mouth but little arched, 
with a deep groove running backward from its angle; upper teeth erect, pointed, numer- 
ous, irregularly arranged ; lower much larger, triangular, directed obliquely outward, 

THe RSC, PRIEST SHA ERI DSEDLOEMSKBCLT, = 
WEVA. RPA MO, SSRI 2b Ae AAD, SRC HERI, He 
AIAG FS OBA Mb kb SLT Le ae BS ERB HET), BRL 
(CAERAMAIL OT, A MGE LS D RBA DD, Hee eae aqener 
DL bsg Htc, IROWRILE bE Be Wide 13 ABE ILO AN GBAN oP 
Rt, ZIRKTCKIT SIAH—MBILIZ OT, OBESE ee en 
Hb, AEM (ke AAT, i -Aeaieowic > cameo eee 
S > LARAMIBI OT. BRAK SERC ST, BIH oRweEL te 
Fji\kis >, BH SO SNE OT, BRAT AME SEL, BEER 
b, ae ems, NGG SPOR S12 OT, RHIC MELAS, ERO 
(OC, BRI MES 6, JER TAPP AIRE EC, ARIE PEE ORO RE 
HP AMETS b, BRODIT, MBS SGWLE RS, BWO® WHE thay 
OWE SRILA OBES (, MWS PAMEID CT. EAD MWD PI; (LYS ARAN 
1S BFA WNED 5, EMOIEME IS 2 AAO BAW ROI P IRB CL Te 
Ait > 
RMS IYI SCHEMAS, PMI T, LOD MOSM HHS 
i C 
