MARINE MOLLUSCA OF THE UNITED STATES. 113 



1. D. coronata, Graelin. Fig. 231. 



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

 Melibtea coronata, John*ston, Ann. Nat. Hist., i. 117, t. 3, f. 5-8. 



Animal yellowish, clotted 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. 



JSfew England. (Eur.) 



Family MOIAVVDM. 



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. iEoms, 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. Tergipes, Cuvier. 

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

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



Calliop^ea, D'Orbigny. 



Genus 2E0LIS, Cuvier. 

 Tabl. Elem. 1798. 



1. M. papillosa, Linnaeus. Fig. 232. 



(Limax.) Syst, Nat., edit. xii. 1082. 1707. 

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



Animal ovate-oblong, depressed, dusk}' or orange-colored, dotted 

 with brown, ochreous, or white; branchire 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. 



Neic England; Northern Europe. 



2. M. salmonacea, Couthoivy. 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 



