MARINE MOLLUSGA OF THE UNITED STATES. 113 



1. D. CORONATA, Gmelin. Fig. 231. 



(.Doris.) Syst. Nat. i. 3105. 1790. 

 Melibaa coronata, Johnston, Ann. Nat. Hist., i. 117, t. 3, f. 5-8. 



Animal yellowish, dotted with red ; veil square in front ; 

 branchiae five to seven on each side, ovate club-shaped, bearing 

 several circles of papillae with dark red tips. 

 Length half an inch. 



New England. (Eur.) 



Family 



Synopsis of Genera. 



Body broad ; tentacles four, smooth, elongate, subulate ; labial feelers 

 elongate ; gills papillose, arranged in longitudinal rows, not. clustered, 

 numerous, depressed, and imbricated. JEoLis, Cuvier. 



Tentacles subulate, annulate, or perfoliate ; labial feelers subulate ; gills 

 clustered, or arranged in separate tufts along the back. 



FLABELLINA, Cuvier. 

 Body linear : tentacles subulate, smooth, simple ; labial feelers short ; gills 



in a single row on each side ; foot square in front. TE^GIPES, Cuvier. 

 Head without tentacles ; labial feelers very long and tapering ; gills pyri- 

 form, placed in longitudinal lines ; front of foot angular. 



CALLIOP^JA, D'Orbigny. 



Genus JEOLIS, Cuvier. 

 Tabl. Elem. 1798. 



1. M. PAPILLOSA, Linnseus. Fig. 232. 



(Limax.y Syst. Nat., edit. xii. 1082. 1767. 

 Eolis farinacea, Fould, Stimpson, Invert. Grand Manan, 25. 1853. l 



Animal ovate-oblong, depressed, dusky or orange-colored, dotted 

 with brown, ochreous, or white; branchiae numerous, somewhat 

 compressed, crowded and imbricated, eighteen to twenty-four 

 oblique ranges; dorsal tentacles short, smooth, conical, labial 

 tentacles short and simple; angles of foot slightly prolonged. 

 Length two to three inches, breadth one-third the length. 



New England; Northern Europe. 



2. M. SALMONAOEA, Couthouy. Fig. 233. 



(Eolis.) Bost. Journ. Nat. Hist., ii. 68, t. 1, f. 2. 1838. 

 Eolis Bodoensis, Moll. Moll. Green. 1842. 



Body nearly diaphanous ; back with a conspicuous elevation in 

 the middle ; head large, with four tentacula ; the superior minutely 



1 There are about a dozen additional synonymic names by British authors. 

 8 



