640 A. E. Verrill — Turbellaria, Nemertina, and 



Q^rs. and Gr, is the young (14^ lines long) of the same species. 

 L. conqlomerans (Ehlers) is a fully adult, large form, perhaps the 

 same. Perhaps X. liamata (Schmarda) is also the same species. 



It is distinguished by having the first simple branchiae arising on 

 the 23d to 27th segment, and bifid and trifid ones back of about the 

 45th to 50th segment ; the largest branchiae have usuall}'- 4 or 5 cirri^ 

 rarely 6 ; simple branchiae extend to very near the end of the body. 

 The antennae are nearly smooth or feebly articulated, according to the 

 state of preservation, and the enlarged distal part of the stem of the 

 compound setae is denticulated on one side. The segments are very 

 short and numerous (over 300 in examples 250'"'^ long), and usually 

 finely specked with white on the back. 



Leodice binominata (Quatr.) = E, punctata (Ers. and Gr. 



This is a smaller (150™'" long) and much rarer species, not before 

 recorded from Bermuda. Its antennae and cirri are long and deli- 

 cately beaded, and it has branchiae only on about 30 segments, begin- 

 ning on the 4th or 5th. The larger ones are gracefully pectinate 

 with about 10-12 cirri and they meet over the back. In life it is 

 usually jDale green, but reddish anteriorl}^, and finely specked with 

 white dorsally, and with a median row of white spots, one to a seg- 

 ment ; the cirriferous buccal ring is also white. The row of Avhite 

 spots persists a long time in formalin. L. rubra (CE. & G.) is much 

 like this, but has branchiae on nearly all the segments. 



Leodice elegans, sp. nov. 



Head deeply bilobed, narrow. Body slender, with about 155 seg- 

 ments, flattened posteriorly. Notable for the anterior position of 

 the branched gills. 



Antennae long and very slender, scarcely tapered, well articulated j 

 about 10 distal annuli, most distinct on the longer ones, and mostly 

 elliptical ; the inner paired antennae reach back to the 3d body seg- 

 ment; outer ones about equal to the long buccal segment (median is 

 broken in the type). Eyes large, black, with a lens. Tentacular 

 cirri slender, tapered, rather longer than the buccal segment, with 

 about 8 short annuli. Parapodia prominent; dorsal cirrus rather 

 long, tapered, acuminate distally, and annulated, with about three 

 divisions. 



Branchiae are mostly gracefully pectinate ; they begin with 2 slen- 

 der branches on the 2d setigerous segment ; they have 3 branches on 

 the 3d, and become pectinate, with 4 or 5 branches, on the 4th ; a 

 little farther back they become 9-branched, with the branches slen- 



