. Discovery reports. Discovery (Ship); Scientific expeditions. STOMIATIDAE 311 Leptostomias macropogon, 35°oi'oo"S, io°i8'oo"E. i m. tow-net, horizontal, 55 m.: i specimen, 65 mm. Depth of body about 16 in the length, length of head 10. Diameter of eye ^^ in length of head. Maxillary with oblique teeth, the first 2 or 3 larger and nearly erect. Barbel nearly f length of fish; proximal part of stem black, distal part with white spots and patches, which become larger nearer the bulb and finally unite to cover the black part completely; no filaments or appendages
. Discovery reports. Discovery (Ship); Scientific expeditions. STOMIATIDAE 311 Leptostomias macropogon, 35°oi'oo"S, io°i8'oo"E. i m. tow-net, horizontal, 55 m.: i specimen, 65 mm. Depth of body about 16 in the length, length of head 10. Diameter of eye ^^ in length of head. Maxillary with oblique teeth, the first 2 or 3 larger and nearly erect. Barbel nearly f length of fish; proximal part of stem black, distal part with white spots and patches, which become larger nearer the bulb and finally unite to cover the black part completely; no filaments or appendages, except just proximal to bulb; bulb about f length of head, slightly curved, narrow at tip; a series of 4 very small filaments on distal part of stem and proximal half of convex side of bulb; two pairs of similar fila- ments on distal part of bulb, and between these another filament, to which is attached a minute bulb at the end of a very fine stem. Dorsal 20. Anal 25. Pectoral 10. Pelvic 7. Photophores—in ventral series I-P 10; P-V 47; V-A 22; A-C 11: in lateral series 0-V 45; V-A Fig. 20. Leptostomias macropogon. Holotype. (x |.) [Barbel x 3.] Described from a single specimen, 165 mm. in length; holotype of the species. Hab. South Atlantic. This species may eventually prove to be identical with , Regan and Trewavas, described from four specimens, 70 to 75 mm. in length, but appears to diflFer in the length of the barbel and the structure of the bulb. In a related species, L. ramostis, the length of the barbel is less than ^ that of the fish in an example 56 mm. in length, and nearly | in one of 180 mm. In L. leptobolus it is f in a specimen of 65 mm. and nearly I in one of 95 mm. In Flagellostomias boureei the length of the barbel varies from \ to I that of the fish in specimens measuring from 39 to 322 mm. in length. Assuming that the barbel grows at much the same rate in all these species, one would expect it to be about \ the length of the fish in a spe
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificexpedition
