WORMS. MOLLUSCA. 19. 20. 133 



68. L. maximus. Cinereous, with or without spots. 



Damp places. Barbut t. $./. 3. 



Body 4 or 5 inches long, reticulate on the head with black, fome- 

 times With 3 longitudinal pale lines down theback, and 4 dusky one? 

 fpotted with black. 



69. L. agrestis. Whitish, with blackish feelers. 



2. Whitish with a yellowish shield. 

 Gardens and groves. Linn. Trans, iv. p. 85. t. 8./. 1-4, 

 Body 2-9 lines long, varying a little in colour. 



10. L. lanceolatus. Linear-lanceolate, very sharp at each 

 end, surrounded with a meinbranaceous border : feel- 

 ers none. 



Pall. Spicil. Zool. 13. p. 19. tab. \.f.\\. 



On the Cornish coast, of a very uncertain Genus. 



Body 2-lobed and grooved on the margin beneath, marked on the 

 sides with obfolete ftriae oblique on the forepart, and recurved ia 

 an angle near the back. 



19. APLYSIA. 



71. A. depilans. Of an uniform leaden or purple colour. 



The ocean. Sow, Misc. t. 53. Br. Zool. t. 21. /. 21. Barb. t. 3./. 5. 6. 

 Body 2 or 3 inches long, apparently a mif-shapen mafs enveloped in 

 aloofe skin which folds over and nearlymeets on the back, tapering 

 towards each end: shield pale, nearly in the middle of the back, oval : 

 eyes placed behind the longer and hindmost pair of feelers. 



72. A. viridis. Green, beneath pale : below the head a 

 dilated wing-like membrane each side. 



Montague Linn. Trans. 7. p. 76. tab. j.f. i. 



Body formed in front like a common Limax,"grafs green, with a 

 few frnall azure fpots on the upper part of the fins, and more nume- 

 rous-ones beneath, depressed, with 2 membranous fins gradually de- 

 creasing in size : front bifid : lips with a black margin ; feelers 2, 

 flat, behind each of which is a whitish mark in which is placed a 

 fnaall black eye : shield not visible. 



20. DORIS. Sm lemon. 



7j. D. Argo. Pale red, oval, smooth, with 2 small feel- 

 ers at the mouth : vent surrounded by a ramified 

 fringe. 



Sea coasts. Br. Zool. t. 22. /. 22. Barbut t. \.f. 4. 

 Body 3 or 4 inches long, rounded at each end, convex in the middle, 

 11 marked with fulphur fpots and black dots : vent furrounded by an 

 elegantly ramified fulpbur fringe dotted with black : feelers 4, white 

 dotted with red at the tips. 



T4. D. vermigera. Oblong-oval; reddish-grey, covered 

 on the back with numerous vermicular appendages. 



Taken on the Mumble rocks, by the Author, April 24, 1807. 



Body an inch and half long, oblong-oval, white and flat under- 

 neath ; reddish-grey and hemispherical on the back, clothed with 

 roundish taper foft flexile appendages about 3 lines long, variegated 

 grey and purplish-brown : feelers 4, 2 taper white-ones below the 

 mouth, and 2 short conic brown ones on the top of thq head. Re- 

 fembles D, clavigera of Muller Zool. Dan. but the pedicels are 

 wot clavate, and they are longer and more flexible ; aad it has 4 

 feelers. 



75. D. verrucosa. Body covered with tubercles qn the 

 upper-side. 



Sa coasts. Br. Zool. t. 21. /. 23. Barbut t. \.f. i. 

 Sody oblong, nearly cylindrical, convex and rounded at thc^cxtrer 

 H 



