2*4r WORMS. INFUSORIA. 83. Trichoda. 



In salt water : body larger on the hind -part. 



SOS./L'r.Jimbnata. Obovate, hairy at the tip, obliquely 

 tnvacate and serrate on tlie hind-part. 



Adams Micr. p. 520. tab. 27. /. 2. 



Body pellucid, tilled with small molecules. 



809. Tr. Rattus* Oblong, .carinate, hairy on the fore- 

 part, with a very long; bristle behind. 



Adams Micr. p. 521. ta6. c ^.f 4* 

 In stagnant waters; the intestines visible in a gibbosity on the back.. 



810/ Tr. innata. Sheathed in a cylindrical hag, with a 

 small pedicel projectile beyond it. 



Adams Micr. p. 526. tub, 27. f. \\. 



In salt water ; funnel-torn:, contractile. 



811. Tr. Cydidium. Oval, gaping at the tip, hairy at 

 the base. 



Adams Micr. p. 527. tab. ay./. .i. 



In vegetable infusions ; pellucid, filled with globules on the hind- 

 part. 



812. Tr. Pulex. Oval, with an incision on the fore- 

 part, hairy on the front and base. 



Adams Micr. p. 51?.. tab. 27. /. 12. 



In fresh water ; erect, a little convex, pellucid, filled with dark 

 molecules, obtufe in front with a few fcattered hairs. 



813. Tr. Lynceus. Nearly square, with a hooked beak 

 and hairy mouth. 



Adams Micr. p. 528. tab. 27. /. 16. 



In water which has been kept- some time, mcrnbranaceous, 

 comprefsed, with the intestines eminently visible. 



814. Tr. Charon. Boat-shaped, grooved, hairy at both, 

 ends. 



Adams Micr. f>. 529. tab. ay./, >7 18.- 



In sea water ; oval, hollowed on the upper-part, convex and 

 furrowed beneath. 



815. Tr. Cimex. Oval, with a lucid margin, hairy be- 

 fore and behind. 



Jdams Micr.p. 529. tab. ay./. 19. 



In vegetable infusions; convex on the back, flat beneath, with 

 an incision on the margin in front. 



81.6. Tr. Pocillum Oblong, truncate and hairy before, . 

 -with a jointed tail divided into 2 bristles. 



Donov. Ins. tab. \\. Adams Micr. t. 17. / 5. 6. 



in marshes ; cylindrical, margined : mouth wheoi closed appearing 

 terminated by 2 spines: tail With 2 pair of bristles, one on the second 

 joint, the other on, the last. 



817. Tr. Musculu*. Oval, hairy on the fore-part, with a 

 projecting tail beneath on the hind-part. 



Adams Micr. p. 523, tab. 2y,/. 7. 



In old infusions of hay ; smooth, with a double margin or line 

 beneath, narrow and furnished with short hairs before, and a small > 

 pointed tail beneath on the hind-part. 



818. Tr. Delphinus. Oblong, hairy on the fore-part, end- 

 ing behind in a reflected truncate tail. . 



Adams Micr. p. 526. tab. 27. /. 8. 

 In infusions of hay ; smooth, pellucid, egg-shaped. . 



19. Tr. Pincis. Oblong, hairy before, ending behind 

 a very fine slender tail. 



