. Discovery reports. Discovery (Ship); Scientific expeditions. Fig. 23. Eustomias {Nominostomias) trewavasae. Holotype. (x 2.) [Barbel x 6.] Haplostomias tentaculatus, Regan and Trewavas. Regan and Trewavas, 1930, p. 109, pi. xi, fig. i, text-figs. St. loi. 15. X. 26. 33° 50' to 34° 13' Sj 16° 04' to 15° 49' E. 4|- m. net, horizontal, 850-950 m.: I specimen, 204 mm. Depth of body equal to length of head, which is 8 in length of fish. Diameter of eye 5I in length of head, about as long as postocular luminous organ. Barbel twice as long as head, with black stem and white ovate bulb; axis of


. Discovery reports. Discovery (Ship); Scientific expeditions. Fig. 23. Eustomias {Nominostomias) trewavasae. Holotype. (x 2.) [Barbel x 6.] Haplostomias tentaculatus, Regan and Trewavas. Regan and Trewavas, 1930, p. 109, pi. xi, fig. i, text-figs. St. loi. 15. X. 26. 33° 50' to 34° 13' Sj 16° 04' to 15° 49' E. 4|- m. net, horizontal, 850-950 m.: I specimen, 204 mm. Depth of body equal to length of head, which is 8 in length of fish. Diameter of eye 5I in length of head, about as long as postocular luminous organ. Barbel twice as long as head, with black stem and white ovate bulb; axis of stem prolonged along edge of bulb, distally becoming free and forming a tentacle-like appendage. Dorsal 16. Anal 19. Pectoral 5. Pelvic 7. Photophores—in ventral series I-P 8 + 2; P-V 27; V-A 15; A-C 9 or 10: in lateral series 0-V 25; V-A ^^-"-'-'"^ Fig. 24. Haplostomias tentaculatus. (x i.) Described from a single specimen, 204 mm. in length. The largest specimen studied by Regan and Trewavas was 100 mm. in length, and the accompanying figure illustrates the difference in the form of the body in the two fishes. Echiostoma tanneri (Gill, 1883). Regan , p. 117, fig. 113. St. loi. 15. X. 26. 33° 50' to 34° 13' S, 16° 04' to 15° 49' E. ^\ m. net, horizontal, 850-950 m.: 2 specimens, 170-200 mm. Hab. Atlantic; Gulf of Mexico; Caribbean Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography; Great Britain. Colonial Office. "Discovery" Committee. London, New York, Cambridge University Press


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificexpedition