oftheGulfofSt.Laivrence. 267 



exist between the posterior border of the last scale and the 

 tail. 



The superior branch of the foot has a series of pellucid 

 bristles, somewhat stouter on the whole than in N. canadensis, 

 and with bolder characters (PI. X. fig. 9). They are finely- 

 serrated towards the tip, a feature which attains much more 

 development in the shorter and stouter forms than in iV. cana- 

 densis. The superior ventral bristles have long tips with 

 somewhat less prominent rows than in N. canadensis ; and the 

 end is less capillary, though it is finely pointed (PI. X. fig. 10). 

 The larger size of the bristles also in the specimens brings out 

 th^ smooth portion at the tip more distinctly. The tips in the 

 succeeding forms are stout and sharply pointed, and the spined 

 portion shorter and less prominent (PL X. fig. 11). The 

 sabre-shaped tips of the latter are prominent features. This 

 and the foregoing agree in certain respects both with Enipo 

 and Xemidia, Malmgren. In regard to length of body they 

 approach the latter, which, however, he describes as eyeless. 

 The dorsal cirri, again, in Enipo are smooth. In British spe- 

 cimens which I have referred to the latter there are a few 

 peculiarly bifid bristles besides the forms mentioned by Malm- 

 gren in the ventral group. In the foregoing Canadian examples 

 the tips of all the bristles are simple. 



Polynoe gaspeensis, n. sp. 



Dredged in 100 to 212 fathoms off Anticosti and in various 

 parts in 1872. A long and highly characteristic form, with 

 fifteen pairs of smooth scales, the first pair only touching 

 each other in the median line, the others being separated by a 

 considerable bare portion of the dorsum ; they are translucent, 

 and slightly tinged of a brownish colour in spirit towards the 

 inner border. The first pair are larger, and have their pigment 

 more diffused though not more dense. In shape the first pair 

 are ovoid ; and the rest maintain a similar outline, but gradually 

 diminish in size. The fifteen scales occupy thirty-one bristled 

 segments, the last occurring on the thirty-first. In a large 

 specimen there are thirty-seven segments behind the last 

 scale, each bearing a dorsal cirrus as in the case of those in 

 front without scales. 



The head is furnished with two eyes placed some distance 

 in front of the posterior border, and two (as usual, somewhat 

 larger and wider apart) at the anterior border. Tentacle long, 

 brownish, tiie colour being deepest just below the tapering tip, 

 which is pale ; a very few slender papilla? occur on this organ. 

 Palpi also brownish, with pale tips, densely covered with 

 short clavate papilla^. Antenna? short, brownish, with pale 



