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XVII. Owstonia totomiensis Tanaka. (Opisthognathidz. ) 
Fite Vill: fies 26: 
Soko-amadai (Bottom jaw-fish). 
wstonia totomiensts Tanaka, Journ. Coll. Sci. Tokyo, XXIII, Art 7, March 15, 
1908, p. 47, pl. III, fig. 1 ; Totomi. 
Habitat.— Off coast of Prov. Totomi. 
Head 35, height of body at insertion of ventral 34 in total length without caudal. 
Eye 23, interorbital 6, snout 43, maxillary 12 in head. B. CD lite 1 Ae ene 
19 or 21; V. I, 5; C. 17; number of scales ina longitudinal series to base of caudal 55 
to 60 ; in a transverse series counted downward and backward 24. 
Body elongate, compressed ; caudal peduncle also compressed. Head moderate 
in size; eye large, high, lateral ; interorbital rather narrow, convex ; snout short, the 
profile curved. Mouth directed obliquely upward ; jaws with slender, inwardly curved, 
incisor or canine teeth in one row, placed at rather wide intervals ; a slightly elevated 
knob on lower jaw armed with two rows of teeth, and fitting into a corresponding 
depression of upper jaw; no teeth on vomer or palatines. Posterior part of maxillary 

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