WGRIvfe MOLLUSCA. 42. Lobaria. 43. Triton. 44. Lernasa. 113 



42. LOBARIA. Body above donvex, beneath 



flat, lobate. 



9uadr.loba Tail with 4 lobes. 



MulL Zool. Dan. 3. p. 30. /*£. too, fig. i--$. 

 Afcanius Act. Stockb. 1772, 4, 5. /tf£. IO,/£. A, B. 

 Inhabits Northern Seas. 



43. TRITON- Body oblong: mouth with aft 



involute fpiral probofcis: tentacula of 

 arms 12, 6 on each fide, divided nearty 

 to the bale, the hind-ones cheliferous, 



*LitUfreus. TkifON.' 



Barbufs Worrrn, ^.65, fcifo / . /£. 2, • 



Pbilof. TranfqcL $0>-p. 874, te£. 34, /%• A. 



Inhabits 7^/y, in cavities of fubmarine rock?, and may be feeii 

 in various fpecies of Lepas, particularly the anatafera. 



Bodyovd\> the lower extremity rounded, larger, and divided into 

 lobes at the fides: head oblong, rounded, not com pre fled, ter- 

 minated by a tough membrane which connects all the arms at 

 their bafe : probofcis long, tapering to a point, and cartilagi- 

 nous : 'mouth placed at the bafe of the tentacula : arms 6 pair, 

 the 3 lower-pair cheliferous; all jointed, involute and ciliate 

 on the inner margin, 



44. LERNiEA. Body oblong, fomewhat cy- 

 lindrical, naked s tentacula or arms 2 or 

 3 each fide and round, by which it af- 

 fixes itfelf: ovaries 2, projecting like 

 tails from the lower extremity. 



Thefe are without eyes, and are very tronblefome to flm, ad- 

 hering very firmly principally to the gills and fins. 



Body round, flexuous i mouth lateral and feated between 3 



{Tightly branched horns. 

 Mull Zool. Dan. 3. /. 65. tab. 1 1 8, fig. 4*. 



Strxm. Sond. I> p. 209. tab lyfg- I& 

 Inhabits the North Seas, on the gills of Cod^fifh, and is eaten hf 



the: Greenlanders ; about 2 inches long. 



VOL. XVo^-P Modi 



