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Show 1877.] ANTHOBRANCHIATE NUDIBRANCHIATE MOLLUSCA. 213 2. KENTRODORIS GIGAS, Bgh. 1. c. p. 419, T. 50. f. 9-23, T. 51. f. 1-5. Pfab. Philippine sea. 3. K. ANNULIGERA, Bgh. I. c. p. 423, T. 41, f. 1, T. 52. f. 3-16. Hab. Philippine sea. Genus CHROMODORIS, Aid. & Hanc. 1855. Doriprismatica, O'Orbigny, 1837 (part of). Goniodoris, Gray, 1850 (part of). Goniobranchus, Pease, 1866. Hemidoris\ Stimpson, 1855. Body elongate, subquadrate ; mantle narrow, covering the head, but not the extremity of the foot; generally smooth, and marked with bright colours in stripes or spots ; oral tentacles conical or tubercular. Branchiae linear, usually pinnate, retractile in a common cavity. Odontophore broad, with numerous transverse rows of many close-set plates, each bearing two large spines, one in front of the other, the posterior one bearing denticulations ; no central plate ; a buccal collar, formed of two broad plates, bearing close minute bifid spines. List of Species2. 1. C. ZEBRINA, Aid. & Hanc. Trans. Zool. Soc. v. p. 123, pl. 29. f. 7 (1861). Hab. Coast of Madras. 2. C. ELISABETHINA, Bergh, Journ. des Mus. Godeff. Heft viii. p. 73 (1875), and in Semper's Riese im Arch. phil. Bd. ii. Heft x. T. 21. f. 6-15, & T . 53. f. 58. Hab. Philippine seas. 3. C. ANN,E, Bgh. 1. c. p. 73; fig. Semper, I. c. T. 51. f. 22, 23. Hab. Philippine seas. 4. C. STRIATELLA, id. 1. c. p. 73; fig. Semper, l.c.T. 51. f. 24, 25. Hab. Philippine seas. 5. C. GLORIOSA, id. /. c. Heft vi. T. 1. f. 6-9 (1874). Hab. Tahiti. 6. C SCURRA, id. /. c. Heft vi. T. 1. f. 10-13; fig. Semper, /. c, T. 51. f. 26-31. Hab. Tahiti. 7. C. HISTRIO, id. I. c. Heft viii. p. 73. Hab. Pacific Ocean. 8. C LUXURIOSA, id. I. c. p. 73. Hab. Pacific Ocean. 1 The only diameters given are " mantle actuate behind; I he rcsl as in Doris." The description of the typical species, H. cccrulcata, would apply to a Chromo, r°^ln a recent list by M. Bergii, 73 forms are included. |