38 Canthigaster. 
lateral, situated posteriorly ; interorbital rather narrow, nearly flat ; snout long ; nostril 
one on each side, at the tip of a very small tube. Mouth terminal, lower jaw slightly 
projecting. Teeth scarcely pointed anteriorly, cutting edges nearly straight, suture 
without a deep groove ; no vertical ridges on either side of groove. Insertion of dorsal 
equidistant from tip of pectoral and base of caudal ; anal inserted behind dorsal ; both 
fins elevated at base. Pectoral slightly emarginate when folded, but broadly rounded 
when expanded, Caudal broadly rounded. Ventral madian elevation runs from the 
throat to near a point vertical from insertion of dorsal. Skin smooth. 
Color in formalin olivaceous, pale beneath; A violet tint perceptible in lower 
parts. Numerous pale narrow lines in front of and around eye ; two longitudinal lines 
above level of pectoral, of which the upper one is very distinct ; numerous round spots 
surrounded with circles of darker tint on lower and under parts. Ventral median 
elevation dark. Bases of dorsal and anal very dark ; both fins with several longitudinal 
rows of darker spots; pectoral pale, with dark tint at base ; caudal dusky, without 
markings. 
Described and figured (plate VJ, fig. 21) from a specimen 16 cm. long as 
measured to tip of caudal], obtained at Nagasaki Market by Mr. Kaneko, No. 2334, 
Science College Museum, Tokyo. 

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