O uadran- 
gularis. 
Bicorais. 
Grifea. 
F. ulvas 
Viridatae 
Glauca. 
Lineata. 
WORMS. INTESTINA. 18. Planatia. 63 
Body pale ovate, very fharp pointed before, and winged 
with fmall curled longitudinal membranes. 
Pall. Spicil Zool. 10. p. 20. tab: 1. fig. 12. a—e. 
Found in ditches among Duck-weed ; very foft, pellucid, of a 
changeable form, and moves like a flug; leaving a flime on the 
bodies it paffes over; when it meets another animal it draws 
itfelf in likea fnail. 
Body oval lanceolate, obtufe at each end, grey cinereous 
. dotted with black, with 2 very fhort divergent tubes 
on the fore-part. 
Pall. Spicil. Zool. 10. p. 23. tab. 1. fg. 14. a, b. 
Inhabits Belgium, in waters coverered with Duck-weed, and 
when hurt or irritated fixes itfelf to other bodies like the 
leech by means of its tubes: dody beneath whitifh with 
brownifh veins, 
Body grey dilated, elongated and pointed on the fore-part, 
the hind-part abbreviated and pointed. 
Mull. Zool. Dan. 3. p. 28. tab. 105. fig. 1. 
Inhabits waters of lakes among Confervz. 
Depreffed, broadifh, and pointed at each end, with a long 
black fpot down the middle. 
Inhabits——— Muw//, Zool, Dan. 3. p. 39. tab, 105. fig. 2. 
Oblong, round, green, and fomewhat pointed at each end. 
Mull. Zool. Dan, 3. p. 39. tab. 105. fig. 4. 
Inhabits wet meadows in Autumn. 
B. With a fingle eye. 
A little elongated, cinereous, with a white iris, 
Mal] Hifl. Verm. 1, 2. p. 60, 2, 184. 
Inhabits waters«and is about a line long, pointed before and 
broadifh behind, with fometimes a double black line in the 
middle of the back and meeting at the ends. 
Body long, above convex and cinereous with a longitudinal 
pale line. VOS 
Mull, Hift, Verm. 1, 2. p. 60. 
Inhabits the fhores of the Baltic; about a line and a half long: 
beneath pale with a brown patch in the middle, tapering 
before and dilated behind, 
