126 JOURXAL OF THE NEW JERSEY 



prolonged into small tentacular appendages. Color yellowish - 

 white. L. 40; W. 20.— Mass. 



2. ^EOLIDIA. CuV. 



Dorsal tentacles simple ; gills compressed, in transverse, rather 

 distant rows ; front angles of the foot almost rounded. 



1. jEolidia pida, A. and H. Oral tentacles short and stout; 

 dorsal ones twice as long, simple, with an amber ring at the outer 

 third ; gills inflated like an olive jar, arranged along the sides in 

 6-8 series, the front one being somewhat clustered and the rest 

 set upon oblique ridges; foot narrow, with the front angles 

 rounded. Animal yellowish- white, sparsely dotted with brown- 

 ish blotches and white dots; gills with a darkish pith, a white 

 tip, and a yellowish ring below the tip. L. 12-20; W. 3-5. — 

 Mass. 



2. ^fJolidia diversa, Cout. Body lanceolate, gradually tapering 

 to a tine point; oral tentacles long and slender; dorsal ones 

 shorter, smooth ; gills somewhat fusiform, quite slender at base, 

 arranged in a Crowded, rather irregular manner, along the sides 

 in transverse series of three or four ; front angles of foot neither 

 rounded nor tentaculate. Pale straw-color, tinted reddish by 

 the viscera within ; gills, outside, wdthout color, inside, deep 

 orange. L. 30 ; W. 8. — New Eng. 



3. ^Eolidia pilata, Gld. (Fig. 27). Tentacles about equal ; 

 dorsal ones smooth ; gills rather stout, fusiform, arranged in five 

 or more remote groups along each side ; each group composed 

 of two approximate ranges ; the first with about 8 in each range, 

 the next two, about 6, and the next 5 ; angles of foot triangular. 

 Pale drab color, edged above with light fawn color ; along the 

 back there is an interrupted, elongated stripe of carmine mar- 

 gined with silvery dots; gills with a white ring, a clear ring, 

 and a white tip. L. 38 ; W. 6.— Mass. 



3. Flabellina, Cuv. 



Body slender; dorsal tentacles perfoliate; oral tentacles elon- 

 gated ; gills on compressed stalks ; foot angularly produced in 

 front. 



1. Flabellina Bostoniensls, Cout. Body lanceolate, rounded 

 above ; gills cimeter-shaped, arranged in five or more distinct 

 groups on each side ; the front group has 16 arranged in cubic 



