. Cumacea (Sympoda). Cumacea. 102 Cuniacea: 11. Diastylidae, 1. Diastylis 23. D. scorpioides (Lepech.) 1780 Oniscus s., Lepechin in: Acta Ac. Petrop , 1778 p. 248 t. 8 f. 2 I 1841 Cuma edioardsii, Kroyer in: Naturh. Tidsskr., , 531 t. 5 f. 1 —IH I 1846 C. e. -\- C. brevirostris (5. Kroyer in: Naturh. Tidsskr., ser. 2 v. 2ii p. 128. 207 t. 1 f. 1, 3, 5, 9—14; p. 174, 208 t. 2 f. 6 | 1849 C. e. + C. b., Kroyer in: Voy. Nord Crust., ; t. 5A f. a—t | 1871 Diastylis e., G. 0. Sars iu: Svenska Ak. Hand)., n. ser. nr. 13 p. 5 i 1879 D. e., A. M. Norman in: Ann. nat. Hist., ser.
. Cumacea (Sympoda). Cumacea. 102 Cuniacea: 11. Diastylidae, 1. Diastylis 23. D. scorpioides (Lepech.) 1780 Oniscus s., Lepechin in: Acta Ac. Petrop , 1778 p. 248 t. 8 f. 2 I 1841 Cuma edioardsii, Kroyer in: Naturh. Tidsskr., , 531 t. 5 f. 1 —IH I 1846 C. e. -\- C. brevirostris (5. Kroyer in: Naturh. Tidsskr., ser. 2 v. 2ii p. 128. 207 t. 1 f. 1, 3, 5, 9—14; p. 174, 208 t. 2 f. 6 | 1849 C. e. + C. b., Kroyer in: Voy. Nord Crust., ; t. 5A f. a—t | 1871 Diastylis e., G. 0. Sars iu: Svenska Ak. Hand)., n. ser. nr. 13 p. 5 i 1879 D. e., A. M. Norman in: Ann. nat. Hist., ser. 5 v.^ p. 61 | 1880 D. scorpioides, Stuxberg iu: Bih. Svenska v. 5 nr. 22 p. 21, 22, 52 | 1900 D. s., (Jr. 0. Sars, Crust. Norway, p. 58 t. 44 | 1900 D. s., Zimmer in: Fauna arctica, p. 424 (with synonymy), 433 | 1901 D. edtvardsii, Ohlin in: Bih. Svenska Ak., nr. 12 | 1911 D. scorpioides, Stappers in: Camp. arct. Orleans, Crust. Malac. p. 112 f. 2—6, 11, 12 I 1912 D. s., Caiman in: P. U. S. Mus., u4l p. 605, 634. Pseudorostral lobes not greatly produced, conical, horizontal, shorter and more obtuse in d than in Q, antero-lateral corners faintly marked: carapace sculp- tured with 5 pairs of crenulate oblique transverse pleats or ridges, and the hind margin also raised and cre- nulate, pedigerous segments with front margin more or less distinctly raised and crenulate, postero-lateral corners of 5^^! obtuse in Q, somewhat acutely pro- duced in d. The non-ovigerous 9 having medio- ventral processes (hyposphenes of Gilson) on segments 2—4, and a dorsal tooth on the 5*'^ (Stappers), pleon segments 1—6 unarmed, telson shorter than peduncle of uropods, with about 8 pairs of lateral spinules. Eye distinct. Antenna 1, P* joint subequal to 2"'^ and 3*^ combined. Antenna 2 of c?, flagellum much shorter than usual in this genus. Peraeopod 1, 2"^^ joint shorter than rest of limb, plumose, distally spinulose, 7**^ joint shorter than 5^'' or Gth
Size: 817px × 3060px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherberli, bookyear1913
