564 dokididyE. 



above, white towards their bases. Branchial phimes eight, 

 large, tripinnate, bluish, with white and yellow spots, sur- 

 rounding the prominent tubular vent. 



Common on the east coast of Scotland and the north- 

 east of England ; not so frequent on the west, living 

 between tide-marks. It ranges throughout the British 

 seas, from Devon to Zetland. 



Doris mera of Alder and Hancock is now considered by 

 its describers to be a variety of this species. 



2, D. FLAMMEA, Alder and Hancock. 



Doris flammea. Alder and Hancock, Monog. part 1, fain. 1, pi. 4. — Ann. Nat. 

 Hist. vol. xiv. p. 3.30. 

 „ argus, FoiiBES, Ann. Nat. Hist. vol. v. p. 10,5. 



Body of a bright orange scarlet, occasionally blotched 

 with purple, ovate, rounded at both ends, rather depressed. 

 Cloak ample, covered with smallish unequal tubercles. 

 Dorsal tentacles, large, tapering, orange. Branchial plumes 

 nine, tripinnate, scarlet, not much spreading, retractile 

 wuthiu a single cavity. 



Length one inch, breadth half an inch. 



On Pecten opercularis in shallow water, Rothsay Bay 

 (Alder). In twenty-five fathoms off Ballaugh, Isle of 

 Man (E. F.). 



3. D. JoHNSTONi, Alder and Hancock, 



Doris Johnstoni, Aldek and Hancock, Monog. part 1, fam. 1, pi. 5. 

 „ cbvelata, Johnston, Annals Nat. Hist. vol. i. p. 52. (Not of MliUer.) 



Body ovate, convex dorsally, depressed towards the 

 sides, yellowish white or buff coloured. Cloak ample, 

 closely covered with very minute equal tubercles, blotched 

 with pale brown. Dorsal tentacles short and broad, 



