Fam. 3, Plate 10. 



Figs. 1 to 4. 

 EOLIS PEACHII, Alder and Hancock. 



E. oblonga, sub-depressa, lutescens vel carnea; branchiis numerosis, sub-clavatis, obtusis, luteo- 

 fuscis, apicibus albis, in seriebus 20 digestis; tentaculis dorsalibus longiusculis, lasvibus; tentaculis 

 labialibus brevioribus ; capite lunato, lateribus productis; angulis anterioribus pedis obtusis. 



Eolis Peachii, Aid. and Hanc, in Ann. Nat. Hist., 2d Ser. v. 1, p. 191. 

 For. and Hani., Brit. Moll., v. 3, p. 591. 



Hab. Fowey Harbour, Cornwall, C. W. Peach and /. A. Cullercoats, J. A. 



Body about three quarters of an inch long, broadish in front, and tapering gradually to a 

 point behind ; buff-coloured, deepening to a rosy flesh-colour on the back, from the ovary 

 appearing through. Dorsal tentacles rather long, linear, smooth, approximating. Oral 

 tentacles about two thirds the length of the dorsal pair, set rather wide apart on the head. 

 They originate from the margin of the lip, but a ridge passes from them upwards on the 

 external side, giving them the appearance as if cemented to the upper surface of the lip. 

 Both pairs are buff-coloured. Head very broad, as wide as the foot, semicircular or lunate, 

 produced at the sides, and terminating posteriorly in a blunt point on each side. Branchial 

 very numerous, slightly clavate, obtuse at the apex ; the central gland yellowish brown or 

 fawn-coloured, a little uneven in outline, and granulated ; apices white. The papilla? are set 

 in upwards of twenty very dense rows, extending close to the tail behind, and running along 

 the sides of the head in front, so as nearly to surround the dorsal tentacles : the rows contain 

 about eight or nine papillae each. Foot pale buff, of a rosy appearance in the centre when the 

 animal is filled with spawn : it is rather broad in front, tapering gradually to a blunt point 

 behind. 



This well-marked species was first met with in Fowey Harbour, Cornwall, where it was 

 dredged by Mr. Peach, and subsequently by ourselves. We afterwards got a single specimen 

 at Cullercoats, from a zoophyte brought in by the fishing-boats. 



The Fowey specimens, which were taken at the end of May, were filled with mature 

 spawn. 



The peculiar form of the head in E. Peachii, similar to what is found in F. nana, but 

 more strongly marked, and the agreement of these two species in most of their other 

 characters, including the tongue, induce us to think they ought to form a distinct section of 

 the genus, intermediate, in some respects, between our first and third sections. 



Figs. 1, 2, 3. Eolis Peachii, different views. 



4. Three of the branchial papillse, much enlarged. 



