DOTO. 61 



a line of tubercles with black tips runs along each side of the 

 body : foot narrow, a little arched in front, with the lateral 

 angles rounded. L. 0*4. 



Habitat: Devonshire (Montagu) ; Guernsey (Alder); rare. 



3. D. corona'ta, Gmelin. 



Doris coronata, Gm. ed. Linn. S. N. p. 3105. Doto coronafa, A. & H. 

 Brit. Nud. Moll. fam. 3, pi. 6. 



Body rather slender, linear, yellowish -white, sj)otted with 

 rosecolour or purple on the back and sides : tentacles mode- 

 rately long, issuing from longish trumpet-shaped sheaths : 

 head with a slight veil, straight in front and produced at the 

 sides: branchial processes elliptical, pedunculated, with 4 or 5 

 irregular rows of tubercles and a terminal one, each Avith a 

 purple spot at the tip ; the papillae are transparent, with a 

 pinkish centre inclining to brownish or yellowish ; there are 

 from 5 to 7 papilla3 on each side : foot linear, white, without 

 anterior angles. L. 0-5. 



Habitat : On small zoophytes from low-water mark to deep 

 water ; common on most parts of the British coast. [I ob- 

 served it feeding on the polyparies of Tuhularia indivisa, 

 J. G. J.] It is also found on the Scandinavian, Dutch, and 

 French coasts. [Nice (Yerany).] 



This pretty and well-known species has been referred to 

 many genera by different authors. Included first in Doris, it 

 was transferred to Tritonia by Lamarck, to Tergipes by D'Or- 

 bigny, to Scyllwa by Bouchard-Chantereaux, and to Melihoia 

 by Johnston. 



4. D. cuspida'ta_, Alder and Hancock. 



D. cuspidata, A. & H. in Ann. N. H. 3rd ser. x. p. 264. 



Body slender, white or yellowish, spotted with pink or 

 purple : head with an arched veil, produced into recurved 

 points at the sides: tentacles slender, tapering a little upwards; 

 the sheaths trumpet-shaped, with scalloped margins : branchial 

 processes ovate- conical, with four rows of strongly pointed 



