POLYNOE NESIOTES. 73 



they appear to have ended in an abruptly more slender terminal filament. The 

 palpi end in slender tips. The prostomial appendages in the type are deformed 

 from shrinkage and so cannot be more fully described. 



The parapodia of the peristomium bear two or more setae above. The cirri 

 are thick and cyUndrical like the tentacles and similarly have a reduced tip. 



The metastomial somites are distinctly separated. They are of nearly 

 uniform length excepting at the caudal end of the body where they are reduced. 

 The pygidimn is a small short process bearing distally two anal cirri of the general 

 form of the parapodial cu-ri and each with a subapical dark annulus. 



The parapodia are moderately short and stout, distally conically narrowed 

 and compressed cephalocaudally; the ventral surface is less slanting than the 

 dorsal. The notopodium appears as a small but distinct tubercle on the dorsal 

 surface of the neiu-opodium near the middle; its setae, much finer and paler 

 than the neuropodials, do not reach the end of the neuropodium. The ventral 

 cirrus is attached proximad of the middle of the parapodium; it is short and 

 acuminate, ending in a slender tip and falUng much short of attaining the end of 

 the neuropodium; the ventral cirri of the parapodia of the second somite, how- 

 ever, are, as usual, much longer, each being stout, terete, and uniformly acuminate 

 to a slender acute tip which surpasses the setae. The dorsal cirrus of a typical 

 parapodimn has a stout, subconical cirrophore; the style is terete and distally 

 subulate, narromng gradually to a slender, acutely pointed tip; distally there is 

 a broad, black annulus and some of the cirri, at least, also appear darker towards 

 the cirrophore; the cirrus extends beyond the distal end of the parapodium. 



A single stout aciculum in each ramus, that of the neuropodium emerging 

 toward the dorsal side of the end. The notopodial setae are much finer and 

 shorter than the nem'opodials. They form a small but conspicuous white fascia, 

 the setae of which do not attain the distal end of the neuropodiimi. Each noto- 

 podial is thickest proximally and narrows distally regularly to a slender and very 

 acute tip ; excepting for a smooth slender tip and the proximal end, there is along 

 the entire length a series of transverse scales or plates in which divisions are 

 indicated by longitudinal lines, but the teeth non-divergent, closely appressed; 

 the plates are close set and overlap much; they afe evident all along one 

 side but usually are e\'ident only more distally on the other or in some in certain 

 views may not project on the opposite side at all. The medulla is finely fibrillar 

 as usual. There is a tendency for much foreign material to adhere to the noto- 

 podials. The neuropodials greatly exceed the notopodials in thickness and 

 length. Each neuropodial has a smooth shaft, which is slightly curved between 



