WORMS. MOLLUSCA. 19. 20. 133 



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



Damp places. Barbut /. 3./. 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 *nes 

 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. S.f. 1-4. 

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



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

 end, surrounded with a membranaceous border: feel- 

 ers none. 



Pall. Spicil. Zool. 13. £. 10. tab. 1./. 11. 



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 in 

 an angle near the back. 



19. APLYSIA. 



71 . A. depitans. Of aw uniform leaden or purple colour. 



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

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

 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. 7./*, 1. 



Body formed in front like -a common Li max, 'grafs green, with a 

 few f mall 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* 

 f mall black eye : shield not visible. 



20. DORIS. Sea 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. f. 22. Barbut t. \.f. 4. 



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

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

 elegantly ramified fulphur fringe dotted with black : feelerr^, white 

 dotted with red at the tips. 



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

 on the back with numerous vermicular appendages. 



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



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

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

 roundish taper fcrft 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 the head. Re- 

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

 not clavate», and they are longer and more flexible ; and it has 4 

 feelers. 



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

 upper-side. 



Sea coasts. Br. Zool. t. i\.f. 23. Barbut t. 4./. 1. 

 Body oblong, nearly cylindrical, convex and rounded at the extre- 

 M 



