WORMS. INTESTINA. 6. Taenia. I2T 



cious of life : about an inch long, half as broad, and a fourth thick : 

 head furnished with obtuse hooks. 



B. Mouth armed : body without the terminal vesicle. 



19. T. Solium. Articulations long and narrower, with 

 marginal mouths, one on each joint and generally 

 alternate : ovaries arborescent. 



Linn. Trans. 2. t. 25./. t — 8. Mem Lond. Med. Soc. v. t. 4. 



In the intestines of mankind, folitary or in considerable numbers. 

 Body from 3 to 50 or 60 feet long, -consisting of a number of distinct 

 joints appearing as if sheathed' in one another, each joint with a 

 lateral marginal pore by which it attaches itself to the intestines : 

 head with a terminal mouth surrounded with a rows of radiate 

 hooks or holdcrs,-and a little beneath on the flattened fur face 2 tuber- 

 cled orrfiee6 or sockes each side : tail ending; in a femicircular 

 joint without aperture. 



20. T. vulgaiis. Articulations short and broader, with a. 

 mouth in the centre of each,: ovaries stellate round 

 the mouth. 



Mem. Lond. Med. Soc. v. tab. 5. Nat MifceL 7. t. 241.- 



In the human intestines. Body from 1 to 5 yards long, oftenfound ; 

 3 or 4 together, broader in the middle and tapering to both ends ; 

 joints much shorter and broader than the last, finely striate longitu- 

 dinally and wrinkled tranfverfely at the sides : head narrower and 

 fmal lex than the last : tail ending in a rounded joint : ovaries stel- 

 late or coral-like, placed round the mouths of the joints. 



21. T. catenrformis. Articulations oblong-eJlirjtic, with 



single marginal mouths. 



1. canina. Radii of the head not reaching to the margin. 

 In the intestines of the Dog. Linn* Trans. 2. U 2,5./. 9* 

 2. Felis. In the Cat. Linn. Trans. 2» *. 25./. ik 



RefemblesT. Solium, but the joints are of a more elliptic form, 

 and the mouths mostly opposite. 



22. T. cerebralis. Minute,- numerous, aggregate, united 

 by their base to a large common vesicle distributed 

 about the surface. 



Batch. Bandw.p. 84./. 34 — 36. Goeze Eingew. t. zo.a.f. 1 — 5. 



In the brain, or fpinal marrow immediately beneath the brain of 

 sheep, occasioning the difeafe known by the name of the Dunt or 

 Rickets. Body not larger than a grain of fand, attached by 2 liga- 

 ments, armed on the head with 32—36 hooks by which they affix 

 themselves to the brain or its coats. 



C. Mouth unarmed, 



23. T. lata. White* with very short and broad joints 

 knotty in the middle, with a single central mouth in 

 each. 



In the human intestines. Linn. Trans. 2. t. 25.7*. 12—14. 



Body j 8— 120 feet long, more opake thicker and broader than T. 

 vulgaris : joints often half an inch broad, and not more than a line 

 and a half long, very finely stirate tranfverfely : oswTej-difpofed in 

 in a rofe-lik e form. 



24. T. ovina. Articulations very short and narrow, roun- 

 ded at the ends: lateral vessels pellucid, distinct, 

 with double marginal opposite mouths. 



s. In the intestines of the Ox. Linn. Trans. 2. t. 25./. 15. 16. 



Body very long , capillary on the fore-part : mouths one on each 

 edge of each joint : ovaries radiate, and running tranfverfely over 

 «ach joint, 



