124 JOUKXAL OF THE 2sE\V JERSEY 



surfaces; the two tentacles slender, with larnellated ends, re- 

 tractile into long sheaths. 



1. Scyllsea Eawardsii, Ver. The four gill lobes, spatulate in 

 shape, extend upward from the back, and have, on their inner 

 surftice, small, tufted, branching gills that project beyond their 

 edges ; similar gills are also found on the back, and on the tail, 

 which form an upwardly turned lobe; foot very narrow. Color 

 rich brownish-yellow or orange, irregularly spotted w'ith orange 

 brown blotches and white specks and streaks ; along each side- 

 there is a row of 6 or 7 iridescent, bluish spots. L. 75; \V. 12. 



2. Dendronotus, A1. and H. 



Animal elongated ; tentacles laminated : front of the head 

 with branched appendages ; gills arborescent, in a single row 

 on each side of the back ; foot narrow. 



1. Dendronotus arborescens^ !Mu. (Fig. 29). Body elongated, 

 tapering, rounded above, as high as broad, surface somewhat 

 wart}^ ; head blunt, with a crown of a^bout six antler-like ap- 

 pendages directed forward ; gills in six or more pairs beautifully 

 tree-like, in two rows along the sides of the back, the hind one& 

 smaller. Color very variable, reddish, marbled with brown and 

 opaque w^iite ; pale rose color or white and dark brown; gills 

 transparent. L. 50-80. — New Eng. On sea- weed. 



3. DoTO, Oken. 



Animal long, slender ; tentacles linear, retractile into trumpet- 

 shaped sheaths ; gills ovate, muricated, in a single series on each 

 side of the back ; foot very narrow. 



1. Doto coronata, Gml. Body slender, gradually pointed be- 

 hind, convex above ; tentacles slender ; gills ovate-club-shaped, 

 attached by a slender base, arranged in a line of 5-8 on each 

 side. Color variable from colorless to deep brown, the gills 

 covered wdth dark red dots arranged in circles. L. 12. — New 

 England. 



Family 46. /EOLID/E. 



Animal with papillose gills arranged along the sides of the 

 body ; tentacles subulate, sheathless, non-retractile ; branches ox 

 the stomach and liver extend into the gills upon the back ; skin 

 smooth, without spicula^ ; no distinct mantle. 



