246 J. H, ASHWORTH. 



general colour of the body was vermilion red, the parapodia 

 being light yellow, and the gills blood-red. Eathke's speci- 

 mens were greenish grey or dirty greenish yellow in colour. 

 My spirit specimens are a pale yellowish brown, due to the 

 large number of yellowish granules in the epidermal cells. 



5. Paeapodia (PI. 13). 



Each of the parapodia throughout the body is clearly 

 divided into a notopodium and a neuropodium, which closely 

 resemble each other in shape and size. In the anterior four- 

 teen or fifteen segments the parapodia consist simply of two 

 blunt conical raammillce, each bearing a bundle of sette. 

 Those of the first five cheetigerous segments are situated upon 

 lai'ge elevations, each of which is borne chiefly by the chasti- 

 gerous annulus, but also partly by the annulus before and 

 the one behind it. There are also elevations supporting the 

 parapodia of the next nine or ten segments, but they are 

 smaller than those just described (fig. 1). The parapodia of 

 the anterior portion of the body (as far back as the fourteenth 

 or fifteenth segment) are comparatively small, and the setal 

 prominences, which are bluntly conical, project only a little 

 way from the body-wall. In the succeeding segments the 

 parapodia gradually increase in size, and each is supported 

 upon a flattened base, the two rami of the parapodium and 

 the basal outgrowth forming a large lamella, projecting at 

 right angles to the body (fig. 8). 



The notopodium of the sixteenth segment of most speci- 

 mens bears a small cirrus {Cirr. D, fig. 1), and in one or two 

 examples a small dorsal cirrus is also present above the noto- 

 podium of the fifteenth segment. The parapodia of the fully 

 developed segments behind this bear both dorsal and ventral 

 cirri. The cirri of the middle part of the body are short, 

 blunt conical outgrowths, but further back they become 

 lamelliform or digitiform structures. 



Near the posterior end of the animal the parapodia and 

 cirri are small^ and on the last three or four segments, which 



