82 Bulletin Vanderbilt Marine Museum, Vol. VII 



laps the second pair of elytra. The entire dorsal surface of the 

 first pair of elytra and the dorsally exposed portions of the remain- 

 ing pairs are ornamented by many, large, rounded, bead-like 

 tubercles, which are especially numerous on the circumf eral mar- 

 gin. Each tubercle consists of a berry-like formation of rounded 

 granules. The first, second, third and anterior half of the fourth 

 pair of elytra entirely conceal the dorsal surface of the somites, 

 whereas the posterior half of the fourth pair and the entire 

 fifth pair of elytra have the somites exposed medially, showing 

 the brown medial spots of the three somites beneath, with this 

 exposed surface of the somites widening posteriorly. The impress 

 remaining of those additional pairs of elytra now broken off indi- 

 cates that this partial exposure of the medial area of the somites 

 existed on somites twelve to twenty-four inclusive also. 



The colour pattern, which is undoubtedly affected by death and 

 preservative fluids, shows at present a distinctive, orange tinged 

 cream body colour, with golden setae on the parapodia, the setae- 

 tips being translucent honey-colour, irregularly maculated with 

 brown, as though originally banded. The elytra are patterned 

 with deep to light blackish-brown mottling interspersed with the 

 orange-cream ground colour. Each somite, including those under 

 the elytra, bears medially a small, irregular brown spot, in shape 

 s;omewhat like the dorsal profile of a bumble-bee with wings ex- 

 panded. These spots decrease in size posteriorly in ratio to the 

 decreasing size of the somites. On the posterior three segments 

 there is a striking colour design, consisting of irregular markings 

 approximately longitudinal and radiating of blackish-brown alter- 

 nating with the cream body colour. This pattern, as a whole, curi- 

 ously reproduces the colour pattern of the head and anterior elytra 

 and somites, so that the annelid appears to have a pseudo-head 

 posteriorly. 



A parapodium is figured (plate 26, figure b), showing the 

 tentacle-like notocirrus, which, extended, consists of a wide noto- 

 phore, supporting about twelve fairly stout annuli and a slenderer 

 distal finger-like portion, composed of eight annuli ; the twenty 

 annuli, when extended, having a combined length about equal to 

 that of the dorsal cluster of setae. This dorsal cluster of setae is 

 composed of a dense, circular tuft of setae, encircled proximally 

 by a ring of short, thick, distally acuminate simple setae, the inner 

 setae being much longer and forming (in death) a conical brush, 



