596 EOLIDIDiK. 



clusters, of seven or fewer papillae on each side. Angles 

 of foot much produced. 



Littoral zone, at Cullercoats, Northumberland (A. 

 and H.). 



13. E. PELLUCiDA, Alder and Hancock. 



Ann. Nat. Hist. vol. xii. p. 234, and Monog. part 3, fam. 3, pi. 19. 



Body (nearly an inch long) white, linear lanceolate. 

 Dorsal tentacles long, subulate, white-tipped, annularly 

 wrinkled ; oral ones as long, simple. Branchiae long, 

 linear sub-conical, bright carmine, with white tips, ranged 

 in five or six clusters on each side, of seventeen and fewer 

 papilla3. Foot much produced at the anterior angles. 



On a Tubularia from the fishing-boats, Cullercoats 

 (A. and H.). 



The Eolis Guvieri of Johnston probably falls under 

 this species. On it, Mr. Alder remarks in a letter, 

 " Quere, if our pellucida ? Certainly not the Cumeri of 

 French authors, nor the one figured by Cuvier." 



14. E. LANDSRURGi, Aider and Hancock. 



Ann. Nat. Hist. vol. xviii. p. 2.04, and Monog. part 4, fam. 3, pi. 20. 



Body (three-tenths of an inch long) linear-lanceolate, of 

 a beautiful violet colour. Dorsal tentacles rather long, 

 linear, violet, tipped with white, as also are the longer oral 

 ones. Branchia; rather short and stout, linear, slightly 

 clavate, orange, with a white apical ring, ranged in five or 

 six clusters on each side, of twelve and fewer papillae. 

 Anterior angles of foot slightly produced. 



Discovered at Saltcoats by Mr. David Landsborough, 

 Jun. 



