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Show 228 MR. P. S. ABRAHAM ON T H E [Mar. 6, 22. LAMELLIDORIS ? EUBALIA. D. eubalia, Fischer, Journ. de Conch, xx. p. 10 (1872). Hab. French coast (Gironde). 23. L. "?n. sp."1 Morch, /. c. p. 24. Hab. Danish Seas. Gen. ACANTHODORIS, Gray (1850). Body convex; mantle moderate in size, covered with soft papillae. Oral tentacles united in a veil, with free flattened lateral ends. Branchiae united at the base, non-retractile. Odontophore narrow, with 2 large spines and several rudimentary ones in each transverse row, none central ; usually a spinous buccal collar and rudimentary under jaw. 1. A. PILOSA, Gray. Dorispilosa, Miiller, Zool. Dan. iii. p. 7, t. 65. f. 5-8 (1789). "Het eegeltze of de Zeeslak met eene ster ob de stint," Bomme. D. stellata, Gmelin ; D. Icevis, Cuv.; D. nigricans, Fleming; D. flemingii, Forbes ; D. subleevis, Thompson; D. similis, A & H.; D. fusca, Loven; D. tomentosa, Lov. ; 1 D. rocinella, Leach. Hab. European coasts; Eastern North America. 2. A. MOLLICELLA, sp. nov. (Plate XXX. figs. 1-4.) Pfab. Lord Auckland's Islands. 3. A. GLOBOSA, sp. nov. (Plate XXX. figs. 5-9.) Hab. New Zealand. 4. A. SUBQUADRATA, Aid. & Hanc. D. subquadrata, id. Ann. & Mag. Nat. Hist. xvi. p. 313 (1845), and fig. in Mon. Br. Nud. pl. 16. f. 1-3. D. quadrangulata, Alder. Pfab. British coasts. Fam. II. POLYCERID.E, A. & II. 1855. Les Dorisprismatiques, Cuv. 1804 (part of). Subfam. Polycerince, A. & H. 1845. Mantle small or obsolete, generally with marginal appendages, integument usually spiculose. Rhinophores various, often laminated. Messrs. Alder and Hancock divide the Polyceridse into two sections, according as the rhinophores are retractile or non-retractile. This gives a convenient arrangement. § A. Rhinoj)hores retractile within sheaths ; the odontophore broad. (EURYGLOSS^E.) Gen. MIAMIRA, Bergh, 1874. Mantle (nothseum) anteriorly produced into a frontal veil, and 1 This may be a Doris allied to D. verrucosa. |