66 WORMS. INTESTINA. 18. Planaria. 
Lineariss Long, roundifh, and very pale yellow. 
Mull, Zool. Dan. 3. p. 42. tab. 106. fig, 2. 
Inhabits wet hollows of woods ; about a line and a half long and 
ten times as narrow: the margin pellucid and white, 
Terrefris. Linear; above convex cinereous, beneath white. 
Mull. Hift. Verm. 2. p. 68. n. 196. 
Inhabits about moift clumps among mofs : contracts and expands 
itfelf like a leech, and moves like a fnail; body opake and 
vifcous. 
Tetragona. Pale yellow with 4 quadrangular lamellz. 
Mull. Zool. Dan. 3. p. 42. tab. 106, fig. 1—5. 
Inhabits clear ftagnant waters: the /amillz are fubmembrana- 
ceous, pellucid, often times 8 fided, rarely 2-fided, 
Capitata, Oblong, cinereous with a diftin& head. 
Mull. Hifl. Verm. 2. p. 70. 
Inhabits the Baltic: body vifcid, obtuíe before and pointed 
behind, above gibbous blackifh with ícattered white dots, 
beneath flat and white; near the region of each fide above 
is a white fpot, in the outer angle of which is the eye. 
Caudata. Body rounded before and tapering into a tail behind. 
Mull. Zool. Dan. 2. tab, 68. fig. 33—15. 
Inhabits fhores of Greez/and, among fea-wrack: is very vivac.- 
cious, 2 lines long, fubconvex and yellowifh rufous. 
Auriculata. Oblong, truncate and emarginate before and acute behind. 
Mull. Zool. Dan. 2. tab. 68. fig. 16, 17. 
Inhabits Norway, in fea-water: is hardly vifible to the naked 
eye, gelatinous, pellucid, with an oblong opake {pot in the 
middle ; and contracts itíelf into a fphzrical or ovate form, 
Filaris, Linear with a filiform contractile tail. 
Mull. Zool. Dan. 2. tab, 68. fig. 138—29. 
Found on the Madrepora prolifera; about an inch long anda 
line broad: body flefhy and reddifh fulvous, obtufe before and | 
marked behind with a reddith fpot ; the fore-part befet with a 
very fhort fhining fringe. 
Lingua, ^ Pellucid, brown-cinereous, and very obtufe at both ends. 
Mull. Zool. Dan. 3. p. 40. tab. 105. fig. 7. 
Found in fith-ponds in the Au:umn, 
D. With 5 eyes. 
ae 
