. Cumacea (Sympoda). Cumacea. Cumacea: 24. Nannastacidae, 3. Nannastacus 171 4. N. minor Calm. 1911 N. m., Caiman ia: Tr. zool. Soc. London, tJ. 18iv p. 341, 357 t. 34 f. 1—3 | 1912 N. m., T. Stebbing in: Ann. S. Afr. v. lOv p. 164. Like Paranannastaciis reptans (p. 167), but dorsal surface of carapace less arched, and branchial regions less inflated, antenna 1 with 3*^ segment shorter than 2°^ peraeopods 1, 2, with well developed exopods, 2n<i pair with 2'^'^ joint inflated, L. 9 1-3 mm. d unknown. Gulf of Siam, depth 2 m. 5. N. agnatus Calm. 1911 N. a., Caiman in: Tr. zool. Soc. Lon
. Cumacea (Sympoda). Cumacea. Cumacea: 24. Nannastacidae, 3. Nannastacus 171 4. N. minor Calm. 1911 N. m., Caiman ia: Tr. zool. Soc. London, tJ. 18iv p. 341, 357 t. 34 f. 1—3 | 1912 N. m., T. Stebbing in: Ann. S. Afr. v. lOv p. 164. Like Paranannastaciis reptans (p. 167), but dorsal surface of carapace less arched, and branchial regions less inflated, antenna 1 with 3*^ segment shorter than 2°^ peraeopods 1, 2, with well developed exopods, 2n<i pair with 2'^'^ joint inflated, L. 9 1-3 mm. d unknown. Gulf of Siam, depth 2 m. 5. N. agnatus Calm. 1911 N. a., Caiman in: Tr. zool. Soc. London, u 18iv p. 341, 360 f. 12, 13 j 1912 N. a., T. Stebbing in: Ann. S. Afr. Mus., u lOv p. 164. Like Paranannastams tanhis (p. 168), but telsonic segment shorter, peraeopods 1, 2, with well developed exopods, 2"*^ joint of P* pair a little shorter. 2''^ joint of 2''^ pair a little longer, hinder pairs slightly stouter and shorter. L. Q 1-3 mm. d unknown. Gulf of Siam, depths between 9 and 28 m. 6. N. lepturus Calm. 1911 N. l, Caiman in: Tr. zool. Soc. London, ». 18iv p. 341, 352 t. 33 f. 1—3. Pseudorostral lobes short, truncate, antero- lateral margin shallowly concave, lower corner rounded. Carapace slightly compressed, dorsal line a little convex. Pedigerous segment 1 distinct, side-plates of the following segments little expanded laterally. Pleon segments each with well marked lateral "groove, 5^^ twice as long as the truncate telsonic segment. Antenna 1, 2'i*^ joint with sub- distal process not reaching beyond the apex, each flagellum 2-jointed, accessory a little shorter than pt joint of principal. Peduncle of uropods about twice as long as the endopod, which has 7 spines on the medial margin; exopod about four-fifths as long as endopod, but with a much longer apical spine. L. d 2 mm. g unknown. Suez. 7. N. longirostris 0. Sars 1879 iV. /., G. 0. Sars in: Arch. Naturv. Kristian., vA p. 119 t. 58, 59 | 1905 N. i. Caiman in: Siboga-Exp., nr. 36 p. 15 |
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherberli, bookyear1913
