206 



TKICHOBRANCHUS' GLAOTALIS. 



branchiae, the posterior nearer each other than the anterior. Body enlarged anteriorly, 

 tapered posteriorly, sometimes spindle-shaped, the anus having two cirri. Length J to 1 

 inch and with sixty-five to seventy segments. General colour blood-red, darker anteriorly, 

 paler posteriorly. The lip is rich red, lateral flaps translucent. Three pairs of filiform 

 branchiae on segments 2, 3 and 4, often contorted and spiral. Setigerous processes fifteen, 

 commencing on the sixth segment. Bristles simple, of moderate length, and with 

 narrow wings on the tapering curved tips. The same segments bear hooks with 

 elongated and curved shafts. Uncinigerous processes only are present behind the 

 bristled region. They are flattened and slightly enlarged at the tip. Avicular hooks of 

 this region minute, with short bases, a moderate main fang and four to five large teeth 

 above it. Posterior segments forty to fifty. Nephridia in third, fourth, fifth, sixth and 

 seventh segments. Tube fragile, delicate, formed of minute grains of sand. 



Synonyms. 



1866. 

 1867. 

 1869. 



1874. 

 1875. 

 1878. 

 1879. 



1881. 



1883. 

 1884. 



•>■> 

 1887. 



j> 

 1893. 

 1894. 

 1896. 

 1897. 

 1898. 

 1899. 

 1900. 

 1901. 

 1909. 

 1912. 

 1913. 

 1914. 

 1915. 

 1917. 



Trichobranchus glac 



alis, Malmgren. Nord. Hafs.-Annuk, p. 395, Tab. xxiv, fig. 65. 

 idem. Annul. Polych., p. 112. 



Mcintosh. Trans. Roy. Soc. Edin., vol. xxv, p. 425, pi. xvi, figs. 6 — 8. 

 Malm. Annul. Goteb., p. 99. 

 Marion. Eev. Sc. nat., t. iv, p. 309. 

 Mcintosh. Trans. Linn. Soc, ser. 2, Zool., p. 508. 

 Tauber. Annul. Danica, p. 135. 

 Verrill. Proc U.S. Nat. Mus., vol. ii, p. 181. 

 Theeh Kgk Svensk. Yet.-Akad. Hand]., Bd. xvi, p. 64. 

 Langerhans. Canarische An net, p. 117. 

 Levinsen. Vidensk. Meddel. for 1883, p. 176. 

 Webster and Benedict. Rep. U.S. Com. F. & F., p. 735. 

 Langerhans. Zeitschr. f. wiss. Zool., Bd. xl, p. 262. 

 Meyer. Mitth. Zool. Stat. Neap., Bd. vii, pp. 634, 636. 

 Webster. Chart. Eastport, Maine, U.S. Com. F. & F., p. 750. 

 Lo Bianco. Atti K. Accad. Sc. Nap., vol. v, No. 11, p. 58. 

 De St. Joseph. Ann. Sc. mit., 7 e ser., xvii, p. 244, pi. x, figs. 275—278. 

 Appellor*. Bergens Mas. Aarb., p. 12. 

 Michaelsen. Polych. deutsch. Meere., p. 174. 

 idem. Gronland. Anne!., p. 130. 



Ssolowiew. Ann. Mus. St. Petersb., t. iv, p. 192, Tab. x, fig. 4. 

 Ehlers. Schwed. Magell. Annek, p. 16. 

 idem. Polych. Magell. u. Chik, p. 214. 

 Fauvel. Bull. Inst. Ocean ogr., cxlii, p. 40. 



Wollebaek. Skrift. Yid.-selsk. Krist., No. 18, p. 79, pi. xix, figs. 1—8. 

 Ehlers. Deut. Sudpok Exped., p. 566. 



Southern. Proc. Roy. Irish Acad., vol. xxxi, No. 47, p. 129. 

 Mcintosh. Ann. Nat. Hist., ser. 8, vol. xv, p. 39. 

 Hessle. Zool. Bidr. Uppsala, Bd. v, p. 131. 



Habitat. — Dredged on a muddy bottom in 9 fathoms, Lochmaddy, and also procured 

 under a stone amongst sandy mud at extreme low water of a spring- tide. Its occurrence 



