Annelida of the Bermudas. 651 



The compound setae have very long, straight, minutely bidentate 

 blades. Segments, 44 + ; length, IG"''". 



Lumbrinereis nasuta, sp. nov. 



A long, brilliantly iridescent species. Head (cephalic lobe), in life, 

 much elongated and subacute in extension, the length about twice 

 the breadth, considerably flattened, changeable in shape, sometimes 

 subacute ; no eyes. Buccal segment about half as long as the head. 

 Parapodia small, setigei'ous lobe swollen ; cirrus small, blunt, papil- 

 liform. Setfe of middle and anterior segments are 3 or 4 long 

 uncinate ones, with 2 spiniform acicula that do not project. The 

 uncini bend back distally, at the narrowed neck, with an enlarged 

 truncate head, terminated by two small strongly incurved apical 

 hooks, and with a large, stout, blunt ventral hook. The neck 

 and head have a curious miniature resemblance to those of a horse. 



Color, in life, bright light red or purplish and highly iridescent ; 

 parapodia paler or whitish. In formalin, purplish-brown. Poste- 

 riorly there is often a single, somewhat bent, acutely acuminate and 

 limbate capillary seta. 



Length, in life, 150 to 200'"™ (about 6 to 8 inches) ; diameter 1 to 

 1.5"""^ 



Flatts Inlet, in shell-sand at low-tide. 



Arabella maculosa, sp. nov. 



In life, very long and slender, only slightly iridescent. Head, in 

 extension, long-conic, somewhat blunt ; ocelli 4, outer ones larger 

 and slightly farther forward. Buccal segment elongated. Para- 

 podia small, with a papilliform lobe. 



Body, in life, pale orange-yellow. Most of the segments have 8 

 to 10 small, transverse, dark olive-green dorsal spots; 2 of these 

 are median, near the proximal and distal margins ; 2 others may 

 occur on each side proximally ; a row of 4 smaller ones crosses the 

 middle; a pair of small white spots occurs near the distal edge. 

 Parapodia pale. Posteriorly these markings disappear gradually. 

 Length, in life, 150 to 200"'"' ; diameter about l"^-". 



Flatts Inlet, low-tide, in shell-sand. 



Aricia setosa, sp. nov. 



Body widest and considerably flattened near the anterior end, 

 gradually becoming smaller and narrowed posteriorly, with the under 



Trans. Conn. Acad., Vol. X. December, 1900. 



43 



