24 NEPHTHYS CILIATA. 



twenty-two distal rows of slender, elongated papilla? — five to seven in number in each. 

 A median cirrus in front of the rows in the mid-dorsal line. Body 90 — 135 segments, of 

 medium size and generally typical in outline. Foot with the dorsal lamella rounded, its 

 greatest vertical diameter being median, and its axis directed upward. At its outer edge 

 is a smaller rounded lamella. Dorsal cirrus slender and long. Branchial process of 

 moderate length coiled outward. Inferior lobe sinuous below the small terminal lamella, 

 with a small papilla at the inner border of the latter superiorly. Ventral cirrus large and 

 conical. Bristles brownish, comparatively short, the serrated forms having a distinct 

 curvature of the dilated region beyond the shaft, and a serrated edge. The barred forms 

 are finely tapered. 



Synonyms. 



1789. Nereis ciliata, 0. F. Miiller. Zool. Danica, iii, p. 14, Tab. lxxxix, figs. 1 — 4. 



1791. „ „ Gmelnr's Linnaeus Syst. Nat., ed. 13, I, pt. 6, p. 3120. 



1806. „ „ Turton's Gmelin, iv, p. 90. 



1843. Nephthys longisetosa, CErsted. Gronl. Dorsib., Tab. vi, fig. 78. 



„ „ borealis, idem. Annul. Danic. Consp., p. 32, fig. 4. 



„ „ ciliata, H. Kathke. Beitr. Fauna Norweg., p. 170. 



1851. „ „ Grube. Fam. Annel., p. 53, 128. 



1853. „ „ (borealis GErsted), Stimpson. Mar. Invert, of G-r. Manan, p. 33. 



1865. „ borealis, De Quatrefages. Annel. i, p. 428. 



„ „ ciliata, idem. Ibid., p. 429. 



„ Diplobranchus ciliatus, idem. Ibid, p. 434. 



„ Nephthys ciliata, Malmgren. Nord. Hafs-Ann., p. 104, Tab. xii, fig. 17. 



1867. „ „ idem. Annel. Polych., p. 17. 



1868. „ „ Ehlers. Die Borst., ii, p. 629, Taf. 23, f. 36. 



1872. „ „ G. O. Sars. Bid. Kundskab Christ. Fauna, iii, p. 23. 



1873. „ „ Kupffer. Exped. Ostsee " Pommerania," p. 150. 



„ „ „ Yerrill. Ajner. Journ. Sc. and A., vi, p. 411, pi. iv, f. 4. 



„ „ „ Mobius. Jaliresb. Com. deutsch Meere, p. 113. 



,, „ ,, Kupffer. Ibid., p. 150. 



„ „ „ Yerrill. Invert. Yinyard Sound, U.S. Comm. F. and F., p. 583. 



1874. „ „ Smith and Harger. Tr. Conn. Acad., iii, p. 16, pi. v, f . 1. 



„ „ „ Malm. Kongl. Yet. o. Yitt. Samh. i Goteborg Handl., xiv, p. 76. 



„ „ „ Yerrill. Proc. Amer. Assoc, etc., for 1873, pp. 351, 367, pi. v, f. 7. 



1875. „ cseca, Mobius. Jahresb. Comm. w. Untersuch., etc., p. 166. 



1878. „ ciliata, Leuz. Jaliresb. Comm. w. Untersuch. deutsch, 1874 — 75, p. 13. 



1879. „ „ Yerrill. C. List, U.S. Comm. F. and F. (sep. cop.), p. 7. 

 „ „ „ Mcintosh. Trans. Linn. Soc, 2 ser., vol. i, p. 501. 



„ „ „ Hansen. Nyt. Mag. f. Naturvid., xxiv (Annel. Norske Nordhav. Exped.), 



p. 268. 

 „ „ „ Theel. Acad. Handl. Stockholme, Bd. xvi (Annel. JSTouv. Zemb.), p. 24. 



1881. „ „ Horst. Mederland. Archiv f. Zool., Suppl. Bd., 5, p. 7. 



1883. „ „ Levinsen. Yidensk. Meddel. Foren. Kjoben., p. 217 (Syst-geogr. Overs. 



Nord. Annel., p. 60). 



