95 WORMS. INTESTINA. 2o. Hirudo, 
Body deep grafs-green with a tranfparent border all round : eyes 
2, deep biack: eggs 5 or 6, oval and deep brown. 
*Herro. Body dilated, pellucid, yellow, with an entire margin. 
elyta. Trembley bik. Poly. tab. 7, fig. 7. 
Found in ftreams among aquatic plants: 7 lines long ; and often 
fixes itfelf on the inhabitant of the Helix planorbis, and fucks 
its juices. 
Body flattifh, pointed before and broadifh behind ; marked above 
with numerous fine longitudinal firiz of black fpecks, and 
remote tranverfe brownifh ones, the fartheft of which are 
black with fulvous fpecks: head white: eyes 4—6 : eggs nu- 
merous, fphzrical, green, furrounded with a pellucid ring : 
the young ones that efcape firft are yellow, the latter ones 
green. 
Elongated, yellowifh-green with a row of white fpots. 
Pennant Brit. Zool. iv. p. 38, tab. 20, f.13. 
Barbut Gen, of Worms, p 20, fab. 25 fes 
Roef. Inf 3, pr 199, tad. 32. f. 1--4. 
Frifch Inf. 6, 5.25, tab. 11. 
Ledermuller microfcop. tab. 84, f. a--i. 
Inhabits frefh waters, and fixes itfelí on the bodies of Trout and 
other fith after the fpawhing feafon : 8 lines long: moves as 
if meafuring like a compafs. 
Body tapering before and very broad at the tail-end: eyes 4: 
colour varying. p 
8 Geometra 
Veffslata. Cinereous with a teffelate margin: eyes 8, in a double lon- 
"T gitudinal row. 
Mull. Hift. Verm. 2, p. 45, n. 173. 
Inhabits rivulets; about 18 lines long. 
Body dilated and covered every where with black fpecks ; above 
with orange or white fpots, or partly grey partly orange ; bee 
neath grey with 2 rounded white fpots in the middle, 
AMarginata Dilated, brown with a teffelate margin: eyes 4. 
Mull. Hift. Verm. 1. 2. f. 46, n.174 
Inhabits rivers, and refembles the laft ; 10 lines long. 
Head obtufe before and narrowed behind, white, pellucid and 
marked with 2 tranfverfe brown bands: abdomen reddifh- 
brown, with very minute ftriz meeting beneath in doubled 
brown lines: ack with 5 rows of whitifh dots, the lateral 
margin white, with a double brown line divided into Íquare 
patches: ¢azl orbicular, pale with brown fpots on the margin, 
Dilated, yellowi(h, and divided on the fore-part. 
Mull. Zecl. Dan. 1, p. 69, n, 27, tabs 21, f. 3-75. 
Y en?" 
Grofa, 
Found 
d 
