GASTEROPODES. 301 



3. EOLIS MINOR. Plate XLIV. Figs. 6, 7. 



Length seven lines ; breadth a line and a half. Head rounded in 

 front, with two obtuse tentacula, shorter than the cornicula. At the 

 external base of each of the latter, a black eye, very distinct. Back bare, 

 bordered by several bunches of branchiag ; about four being on the shoulder 

 bunches : lower down the branchite are single, cylindrical, and obtuse, 

 with a dark circle near the summit. They curve over the back. Colour 

 universally mottled grey or dingy white ; on the skin are scanty white 

 specks. 



Only a single specimen occurred, near the Isle of May ; probably 

 young. It seemed full of ova, but died in a day or two. 



PLATE XLIV. 



FIG. 6. Eolis minor. 



7. Anterior portion of the same, enlarged. 



4. EOLIS DEAURATA The Gilded Doris. Plate XLIV. Figs. 8, 9, 10. 



Length above six lines ; breadth above one. Body lanceolate, slen- 

 der ; front of it semicircular : shoulders broadening into two processes, 

 somewhat obtuse. Tentacula and cornicula curving outwards. Two very 

 black specks on the neck. Nine rows of ellipsoidal branchial papillae cross 

 the back, which is otherwise bare ; they decrease in length and in number 

 as approaching the posterior extremity, so that only a stump is next to it. 

 The body is green, the papillae purple, tipped with golden yellow. 

 This is a beautiful animal, abounding in vivid colours, agreeably 

 contrasted. 



Specimens have spawned in October and November. The spawn 

 green, and consisting of two elliptical volutes, of confused form, is com- 

 posed of pale green ova, amidst albuminous matter. 



PLATE XLIV. 



FIG. 8. Eolis deaurata The Gilded Eolis back, enlarged. 

 9. Belly, enlarged. 

 10. Spawn, enlarged. 



