EOLis. 593 



longer, and ranged in four ranks, all pink, spotted with 

 white. 



South coast of Devon (Montagu). No animal exactly 

 agreeing with it has heen found of late years. 



6. E. Drummondi, Thompson. 



Eolis Drummondi, Thompson, Rep. Brit. Assoc, for 1843, p. 250; and, pre- 

 viously, cas Eolidia rufibranchktlis in Ann. Nat. Plist. vol. v. 

 p. 89. — Alder and Hancock, Monog. part iv. fam. 3, 

 plate 13. 



(vAR.) Eolis tenuibranchialis, Aldkr and Hancock, Ann. Nat. Hist. vol. xvi. 

 p. 315. 



(vAR.) Eolis curia, Alder and Hancock, Ann. Nat. Hist. vol. xii. p. 234. 



Body (an inch or more in length) ovato-lanceolate, 

 •whitish, tinged with red. Tentacula (dorsal) long, cylin- 

 drical, ringed ; oral tentacles very long, slender, simple. 

 Branchise of various shades of reddish brown, ringed with 

 white near their tips, long, linear, set in from four to 

 six lateral clusters, each of several rows of six or fewer 

 papilloe. Angles of foot much produced. 



This species appears to occur in localities at intervals 

 all round our shores, and inhabits the littoral and lanii- 

 narian zones. 



7. E. RUFIBRANCHIALIS, JollUSton. 



Eolidia ruJihnmcliiaUs, Johnston, Loudon's Mag. Nat. Hist. vol. v. p. 428. — 

 Ann. Nat. Hist. vol. i. p. 121. — (Eolis), Alder and 

 Hancock, Monog. part 4, fam. 3, pi. 1 4. 

 „ Emhletoni, Johnston, Loudon's Mag. Nat. Hist. vol. viii. p. 121. 



Body (an inch long) linear, tapering, yellowish-white. 

 Dorsal tentacula rather long, subulate, transversely wrin- 

 kled ; oral tentacles as long, simple. Brauchia3 bright-red 

 or brown, with a white ring near the tips, rather short, 

 linear, in six or seven rather irregular clusters on each 



VOL. III. 4 G 



