54 EOLIDIDJE. 



36. E. picta, Alder and Hancock. 



E. pallida, A. & H. in Ann. N. H. 1st ser. ix. p. 35. E. picta, Brit. Nud. 

 Moll. fam. 3, pi. 33. 



Body rather stout, yellowish-white, more or less spotted and 

 blotched with rich orange-brown : dorsal tentacles long, slightly 

 tapering, white, with a central band of orange-brown : oral 

 tentacles shorter than the dorsal pair, also with a brown band : 

 branchial processes much inflated, ovate, tapering to a fine 

 point above, spotted with orange-brown and opaque white, 

 and frequently having a minute ring of orange near the tip ; 

 the central gland is yellowish ; the papillae are set in 7 or 8 

 rows, large on the back and small towards the sides : foot with 

 the anterior angles rounded. L. 0*5. 



Habitat : On most of our coasts, but not common. A pale 

 variety occurs, which was described under the name of pallida ; 

 the normal form, however, is generally brightly coloured. 



37. E. tricolor, Forbes. 



Eubranckvs tricolor, Forb. Mai. Mon. p. 5. Eolis tricolor, A. & H. Brit. 

 Nud. MoU. fam. 3, pi. 34. 



Body ovate-oblong, rather broad, of a pale buffish yellow, 

 inclining to fawncolour on the head and back : dorsal tentacles 

 moderately long, stoutish, fawncoloured : oral tentacles about 

 half the length of the dorsal pair, and rather paler in colour : 

 branchial processes large, stout, ovate, abruptly tapering to a 

 point above, where they are encircled with a ring of bright 

 golden yellow; they are transparent white, with a linear 

 central gland of a violetcolour, fading to yellowish-brown 

 below ; set in 13 or 14 rows : foot rather broad, with the 

 anterior angles rounded. L. 1. 



Habitat: Ballaugh, in the Isle of Man, and Anglesea 

 (Forbes) ; Belfast Lough (Thompson) ; Cullercoats and Fal- 

 mouth (Alder) ; Burghead, common (Murray). [W. Sweden 

 (Loven). " Bolls itself up into a ball, when teased," Gordon.] 



This beautiful species is the E. purpurea of Alder and Han- 

 cock in the ' Annals of Natural History ; ' and probably their 

 El, amethystiw may prove to be a variety of the same* 



