Gymrothorax: Paraceratias. 
30 
Described and figured from the type 39 cm. long as measured to tip of caudal, 
taken at Keelung, Taihoku, Formosa, by Mr. Oshima, No, 2165, Science College 
Museum, Tokyo. 
XVI. Paraceratias mitsukurii (Tanaka). (Ceratiidz. ) 
Plate VIII, fig. 25. 
Mitsukuri-2naga-chochinr-anko. 
Ceratias (Paraceratias) mitsukurti Tanaka, Journ. Coll. Sci. Tokyo, XXIII, Art. 
13, July 28, 1908, p. 18, pl. II, fig. 3 ; Yodomi, Sagami Bay, type No. 21251, 
Alan Owston’s Collection. 
Habitat.—Deep water; Sagami Bay. 
Head 24, height of body at base of pectoral 2} in total length without caudal. 
Eye 254, snout 24, maxillary 24, width of gill-opening 43, length of cephalic tentacle 
externally visible (with subterminal knob but without terminal fringes of the cephalic 
organ) 1}, dorsal tentacle (terminal portion mutilated) 24 in head. D. I-I-4; A. 4; P. 
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