196 DR. BAIRD ON THE APHRODTTACEAJST ANISTELIDES. 



Sp. 13. Harmothob unicolor, sp. uov. 



Animal elongate-elliptical, narrow, about 1 inch in length, and 

 about 3 lines in breadth, nearly uniform in breadth throughout. 

 Head-lobe broad. Tentacle long, of a dark-brown colour for two- 

 thirds of its length ; incrassated near the extremity, which is 

 quite white ; and terminating in a long, delicate, white, setaceous 

 point. Antennae much shorter than the tentacle, but longer than 

 head-lobe, slender, and terminating, like the tentacle, in a long, 

 slender, delicate, white point. Palpi stout, setaceous, not ringed 

 with black and white, and of nearly the same length as the ten- 

 tacle. Elytra 14 pairs, of a uniform olive-colour, covering the 

 whole of the back, with the exception of five or six of the last 

 articulations, which are naked and spotted with black. The 

 upper elytra are nearly round and small, the others becoming 

 oval and larger as they descend down the back toward the lower 

 extremity. They are sparsely fringed with a few setae on outer 

 edge, and covered all over with minute spots, which iinder the 

 microscope appear as very short, blunt setae, set upon a round 

 pedicle, and having the appearance of the stopper of a wine-de- 

 canter. Feet biramous, the bristles of the two branches differing 

 in structure. The ventral bristles are shorter and stouter than 

 the dorsal, scimitar-shaped, slightly uncinate at the point, and 

 strongly serrated on the convex edge for some distance along 

 the upper half. Dorsal bristles rather slender, toothed at the 

 point, and strongly denticulate along both edges for some distance, 

 and somewhat enlarged near the point where the denticulatious 

 commence. The dorsal cirri resemble the tentacle and antennae 

 in structure. 



This species strongly resembles the H. cirrata, except in the 

 number of elytra (which apparently do not exceed 14 in number), 

 and in their uniform colour. 



Hah. Esquimalt Harbour, Vancouver Island, J. K. Lord. 



G-enus V. Hermadiok, Kinberg, I. c. 386. 



Antennae with their bases attached to the cephalic lobe under 

 the tentacle, which occupies the notch in front ; elytra 15 pairs, 

 not meeting on the back, and leaving the middle of the dorsal 

 region and the posterior segments uncovered j ventral setae ser- 

 rated below the apex ; body elongated. 



Sp. 1. Hermadion LOiSTGiciRRATTiM, Kinherg, I. c, and Fregatt. 

 Eugen. Besa, p. 22, tab. 6. figs. 33, 33 a-38 h. 

 Hob. Straits of Magellan, Kiiiberg. 



