WORMS. INFUSORIA. 86-89, 321 



830. L. cornuta. Inversely conic, green, opakc. 



Adams Microfcoptp 506. tab. 25. /. 42. 43. 



In marshy grounds; broad and truncate in front, with a small 

 spine each side, pellucid and pointed behind : sometimes it ap- 

 pears oval or kidney-shaped, and when the water which contains 

 it evaporates, it breaks- into molecular vesicles. 



810. L. /leteroctita. Cylindrical, obtuse in front, furnish- 

 ed behind with a double crested exsertile organ. 



Adams Mia. p. 506. tab. 25.7. 44. 45. 



To the naked eye appearing as a white point ; intestines 

 visible. 



86. mJUSARlA. 



841. B. Hinmdinetta. Oval, pointed at-each end, with 

 a sharp iin each side. 



Donovan Ins. t. $.f. 2. Adams Micr. t. 25. /. 19. 



In ditch and marsh water: a pellucid hollow membrane, mov- 

 ing forwards like a bird in flight. 



$42. B. duplelta. Elliptic, with the edges folded over, 

 leaving a narrow longitudinal hollow, 



Adams Microfcope p. 492. t. 25. f. 18. 



Among Duck-weed, without visible intestines. 



87. GONIUM. 



84j G. pectorals. Quadrangular, pellucid, with 1 6 spoor 

 rical molecules. 



Adams Miciofcope p. 489. t. ?./. 17. 



In pure water : molecules oval, nearly equal in size, fet in a quad- 

 rangular membrane like diamonds in a ring, the lower-ones a 

 little krger than the rest. 



88. COLPODA. 



$44. C. Meleagris. Changeable, with the fore-part hook- 

 ked, the hind- part folded up. 



Donov. fns. t. 32. /. 2. Adams Micr. t. 25. /. 22. 



In water impregnated with vegetables: membrane dilated, 

 finely folded, variously bent every moment; the fore-part clear 

 and bright, the hind-part variously plaited and full of moleculcs-j 

 the margin sinuate. 



845. 'C. Cucullns. Oval, inflated, with an incision be- 

 neath 'he tip. 



Adams micr. p. 487. tab. $.$./. 23. 



In various vegetable infusions: pellucid, with an irregular 

 margin, filled with bright molecules; generally oval, with the 

 top bent into a kind of beak, sometimes oblong but usually obtuse, 

 with 824 bright molecules 



$46. C. Pi/rum. Convex, oval, produced in front into a 

 beak 



Adams Micr. p. 4^89, tab.2$.f. 20. 21. 



Body uniform, transparent, pale, filled with molecules ; the 

 neck rather long and a little bent. 



89. PARAMECIUM. 



847. P. Aurelia. Compressed, longitudinally platted 

 towards the fore- part, acute behind. 



Kill Aain. i.t. 3. Herman. Naturf. 20. r. 3./. 41. a. 

 In ditch-water and infusions ; raeinbranateous, 4 times as long 



