Annelida of the Bermudas. 605 



1:1.45), the front edge usually slightly and broadly three-lobed, 

 sometimes rounded ; sides evenly rounded ; posterior strongly emar- 

 ginate. Eyes rather small, the pairs far apart, those of each side 

 close together, the anterior larger and more lateVal, with lens. Palpi 

 large and long, divergent, lanceolate, somewhat falcate, with a broad 

 base, blunt end and incurved inner margin ; the free part usually 

 projects ^ more than the length of the head. Tentacle tapered, mod- 

 erately long, nearly three times as long as head, about ^ of its length 

 projects beyond the palpi, strongly and elegantly beaded, with 20-22 

 annuli, these are 2 to 2^ times as broad as long distally, each with 

 pigmented cells. Antennte similar, with the same beading, ^ to ^ 

 shorter and smaller, projecting only a little beyond the extended 

 palpi. Dorsal tentacular cirri similar to tentacle but about ^ longer, 

 with 28-30 annuli; lower ones about ^ as long. First dorsal cirri 

 still longer, about i|^ times as long as the tentacle, with 30 or more 

 annuli. Several others on the anterior segments are nearly as long, 

 but alternate irregularly with much shorter ones, |^ to f as long, all 

 becoming rather shorter posteriorly ; the longer ones are about twice 

 as long as the diameter of the body. Caudal cirri long and slender, 

 beaded like the dorsal cirri and equally long, but more slender. 

 Setfe slender, the upper ones with nearly straight, narrow lanceolate 

 blades, 4 or 5 times as long as wide, with slightly bidentate incurved 

 tips, sometimes entire ; the ventral and most posterior setae have the 

 blades much shorter. Acicula usually 2-4, spiniform. 



(Esophagus rather long and slender, occupying 10-12 segments, in 

 extension 1^ times the length of the stomach, but it is sometimes 

 made shorter and wrinkled in contracted specimens, so that it may 

 be scarcely longer than the stomach. When protruded from the 

 mouth the aperture is flaring with the margin even, entire, and often 

 revolute ; the tooth is small, acute, near the edge and sometimes 

 projects beyond it when everted. The soft membranous proboscis 

 when everted shows about 10 rather broad obtuse denticles or lobes, 

 the 6 dorsal ones larger. Stomach long, cylindrical, usually occupying 

 6 to 8 segments, usually shorter than the oesophagus and distinctly 

 larger, covered with close rows of rounded glandules. Color, in for- 

 malin, yellowish white, each segment anteriorly marked dorsally with 

 two curved transverse lines of brown, which converge and blend into 

 a spot on the middle of each segment, and also unite at the sides, so 

 as to enclose, on each side, an elliptical pale spot, and leave a similar 

 spot between the segments along the middle of the back ; thus there 

 are three alternating roAvs of pale spots along the back, but these 



