EOLIS. 45 



P. Branchial processes in close-set rows : odontopJiore with a 

 central spine and lateral denticulations. (Cuthona, A. <f* H.) 



17. E. PEA'CHII, Alder and Hancock. 



E. Peachii, A. & H. in Ann. N. H. 2nd ser. i. p. 19 ; Brit. Nud. Moll, 

 fain. 3, pi. 10. 



BODY broadly oblong, tapering behind, yellowish or flesh- 

 coloured : dorsal tentacles long, linear, smooth : oral tentacles 

 one-third shorter, and set rather wide apart on the head, 

 which is broad and semicircular or lunate in outline : bran- 

 chial -processes numerous, subclavate, rather obtuse, yellowish- 

 brown, or fawncoloured, with white tips arranged in about 

 20 close-set rows, commencing on the sides of the head and 

 extending nearly to the tail: foot broadish in front, and 

 tapering to a blunt point behind ; the anterior angles obtuse. 

 L. 0-75. 



HABITAT : In deepish water, Fowey Harbour (Peach), Nor- 

 thumberland Coast (Alder). [Cumbrae (Robertson).] 



18. E. NANA, Alder and Hancock. 



E. nana, A. & H. in Ann. N. H. 1st ser. ix. p. 36 ; Brit. Nud. Moll, fam 3, 

 pi. 25. 



BODY rather broad, ovate oblong, yellowish-white : dorsal 

 tentacles rather long, smooth, white : oral tentacles a little 

 shorter than the dorsal pair, set rather far on the head, which 

 is broad and shows a semicircular margin beyond them : bran- 

 chial processes subclavate, rosecoloured, with white tips ; set 

 in 8 or 10 rather close rows, extending nearly to the tail, 

 which is short and rather blunt : foot broad, transparent white, 

 with the anterior angles rounded. L. 0*4. 



HABITAT : Under stones between tide-marks : Cullercoats 

 and Whitley, Northumberland (A. & H.); Burghead (Murray). 

 [W. Sweden (Loven).] 



This species comes very near to the last in some of its cha- 

 racters, especially in the broad form of the head, and in the 

 obtuse angles of the foot. It is nevertheless very distinct. 



