66 WORMS. INTESTINA. 18. Planaria. 



Linearis*. Long, roundifh, and very pale yellow. 

 Mull, Zool. Dan 3. p. 42, tab. 106. jig* 2. 

 Inhabits wet hollows of woods ; about a line and a half long and 

 ten times as narrow : the margin pellucid and white. 



Terreftris. Linear j 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 : fyody opake and 

 vifcous. 



Tetragona. Pale yellow with 4 quadrangular lamella?. 

 Mull. Zool. Dan. 3. p. 42. tab. 106. fig. 1 — 5. 

 Inhabits clear ftagnant waters : the lamilla are fubmembiana- 

 ceous, pellucid, often times 8 fided, rarely 2-fided. 



Capitata, Oblong, cinereous with a diflinct head. 



Mull. Hift. Verm. 2. p. 70. 



Inhabits the Baltic: body vifcid, obtufe before and pointed 

 behind, above gibbous blackifh with fcattered 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. 



Cttudata, Body rounded before and tapering into a tail behind. 

 Mull. Zool. Dan. 2. tab, b%.fig. 13 — 15. 



Inhabits fhores of Greenland, 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. Jig. 16, 17. 



Inhabits Norway, in fea-water; is hardly vifible to the naked 

 eye, gelatinous, pellucid, with an oblong opake fpot in the 

 middle ; and contracts itfelf into a fphaerical ©r ovate form, 



Filaris, Linear with a filiform contractile tail. 

 Mull. Zool. Dan. 2. tab, 6$. Jig. 18 — 29. 



Found on the Madrepora prolijera; about an inch long and a 

 line broad : body flefhy and reddifti fulvous, obtufe before and 

 • marked behind with a reddifh fpot; the fore-part befet with a 

 very fhort mining fringe. 



Lingua* Pellucid, brown-cinereous, and very obtufe at both ends* 

 Mull. Zool. Dan. 3. p. 40. tab. 105. Jig. 7. 

 Found in fifn-ponds in the Autumn, 



D. With 3 eyes. 



Cef. 



