$8 WORMS. INTESTINA. 20. Hirudo. 



Body conic and broader on the fore-part: mouth much flepderer 

 than the body, and armed with flclhy 3-pointed papillae: 

 aperture near the upper-extremity, 



Saccatus, 1 Body covered with a loofe (kin, and rounded at the lower 

 end. 

 Martin or Marine Worms, I, p. 6," tab, I. fig, 3? 

 Barbut Gen. of Worms, p. 17, tab. 2, Jig. 4. 

 dmoen. Acad. 4, p. 454, tab. 3, _/%-. c. 

 2. />*//. SpiciLZool. 10, />. 12, ta£. 1, _/£. 8. 



Inhabits the American and Indian Seas : is fhaped like the former, 

 except in being inclofed as it were in a loofc bag, and in not 

 having the lower-end globular, 



20 HIRUDO. Body oblong, truncate at 

 both ends, unarmed, cartilagenous, and 

 moves by dilating the head and tail, arxl 

 contracting itfclf into an arch. Leech. 



Indica. Body deprefTed, brown, with a hundred trarifverfe muricate 

 ftria?. 

 Inhabits maritime parts of India. 



*M,dicina- Elongated, olive- black, with 6 yellow-ferruginous line§ 

 '"• above, aqd fpotted with yellow beneath. 



Medicinal Leech. 



Nafur, Mi/cell vi tab. 218.. Brit. Zool. iv.p.36. 



Barbut Gen. of Worms, p, 19, tab 2, fig. 5. 



Acl Stcckb. 1757^ p. 308, n 4, tab. 6, fig. 1,2. 



Found in ftagn^nt pond.s and ditches, and is the fpecies ufed 

 wi'h fuch fuccefs as a phlebctomift in the practice of Phyfic : 

 is viviparous. 



Body above compofed of numerous annular winkles, which it can 

 coutract or expand at plea fare, and marked with variegated 

 lines : mouth firuller than the tail, and armed with 3 cartila- 

 ginous teeth, with which it draws blood : tail compofed of 

 an annular mufcJe, by which it has the power of fattening its • 

 body firmly to any object. 



* Sanguifu- Elongated^ olive-brown, with an ochrc-yellow marginal 

 ga. band'.' Horfc-teech, 



Xaturaiilfs Mij cell any t vi. tab. 218. 

 - . Barbut Genera tf Worms t p. 20- tab* 2, fig. 6, 



Peti-j. Gazbph.' tab, I 30, fig, 7. 



Act. Stockb, 1757, n. 4>< tab, 6, fig. 3, 4. 



found 



