THE ANNALS AND MAGAZINE OF NATURAL HISTORY, [FOURTH SERIES.} No. 76. APRIL 1874, XXXIV. — On the Annelida of the Oulf of St. Lawrence^ Canada. By W! C. M'Int08H. Family 1. Euphrosynid^, to Family 6. SigalionidjE. [Plates IX. & X.] The following remarks are due to collections made by Mr. J. F. Whiteaves of Montreal dming three dredg-ing-expeditions (1871, 1872*, and 1873) in the Gulf of St. Lam-ence ; and I am much indebted to him for his courtesy in forwarding the specimens for examination. No example of the first two families, viz. the Euphrosynidse and Amphinomidaj, occurs. The Aphroditida3 are represented by several young examples of Aphrodita aculeata^ L., whicli are of a somewhat ferruginous hue, like some Zetlandic spe-cimens. The ventral bristles of these young forms resemble those of A. alta, Kinberg. One or two examples of Lcetniomce fiUcorms, Kbg., a species very abundant in certain parts of the British seas, are also present f. The Polynoidae are more numerous, and the majority of comparatively large size. Lepidonotus sqxiamatns^ L., is abundant; and the same may * Vide Ann, Nat. Hist. 4th ser. vol. x. p. 341, 1872. Also ' Report on a second Deep-sea Dredoring,' &c., by J. F. Whiteaves, Montreal, 14th January, 1873, pp. 22. t Prof. Verrill mentions " Hermione hystrLv (?)" from the coast of New England, but not this form. .Vmoric. .louru. Sci. it Arts, vol. v. Feb. 1873. Ann. d' Mag. N. Hist. Ser. 4. Vol. xiii. 19
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