568 DORIDID.E. 



Doris verrucosa. Pennant, Brit. Zool. vol. iv. p. 82, pi. 23, fig. 2. — Fleming, 

 Brit. Ann. p. 282. 



Body (an inch or more in length) grey, clouded and 

 speckled with brown, sometimes white, oval, depressed. 

 Cloak not ample, rough, with nearly equal small tubercles. 

 Dorsal tentacula conical, not very large. Branchial plumes 

 twelve or more, simply pinnate, rather short, retractile 

 within a single cavity. 



Common on many parts of both east and west coast ; 

 especially abundant at low water in the Frith of Forth. 

 Doris affinis of Thomson is jirobably a variety. 



11. Doris oblonga. Alder and Hancock. 



Annals of Nat. Hist. vol. xvi. p. 314, and Monograph, part 5, fam. 1, pi. Ifi, 



figs. 4, .5. 



Body oblongovate, tapering behind, convex. Cloak 

 straw-coloured, freckled with brown, densely spiculose, 

 covered with pointed papilloe. Dorsal tentacles yellowish, 

 without sheaths, rather thick. Oral veil semicircular. 

 Branchial plumes seven, pinnate, non-retractile, yellowish- 

 white. 



Half an inch in length. 



In deepest water off Berry Head, Torquay (Alder). 



12. Doris depressa, Alder and Hancock. 



Doris depressa. Alder and Hancock, Ann. Nat. Hist. vol. ix. p. 32. 

 „ „ Monograph, part 5, fam. 1, pi. 12, figs. 1-8. 



Body thin, transparent, very much depressed, elliptical. 

 Cloak yellowish, speckled with reddish or brown, covered 

 with soft, linear, loosely set papilke, and stiffened with large 

 spicula, symmetrically arranged. Dorsal tentacles linear. 



