ARGENTINA, ASfclDlA. i55 



4 4. ARGENTINA. Spec 4. 



Carolina, (argentine,) anal fin with fifteen rays. 

 See MS. P. 



9 4. ARGUNANTA. Spec. 5. 

 ergo, (ancient nautilus,) keel or ridge of the shell 

 slightly toothed each side. 

 See MS. P. 



11 J. ASCAIUS. Spec. 78. 



lumbricoides) (human lumbricus, bowel- worm,) bo- 

 dy long, smooth, cylindrical, tapering to both 

 ends, with three protuberances at the fore end, 

 and a depressed band around the body. Infests 

 the human intestines ; most frequently in young 

 persons. From four to ten inches in length. 



vermicularis, (thread-worm,) body filiform ; fore 

 end with three papillae or vesicles ; whole ru- 

 gose, pellucid, annular ; tail commences at an 

 aperture, and is two-thirds of the whole length. 

 The whole worm is about half an inch in length. 

 They originate in the lower part of the alimen- 

 tary canal ; but often extend up to the stomach 

 and penetrate all parts adjoining the intestines. 

 A person may have several thousands of them, 

 and still remain for a season in tolerable health. 

 Remarks Animal oil mixed with spirits of 

 turpentine, administered in small quantities, ac- 

 companied with tonics, is the French practice 

 in removing both species. 

 See MS. P. 



9 1. ASCIDIA. Spec. 34. 

 rustica, (spirting jelly,) oblong, brownish with 

 flesh-coloured apertures ; extremities rougb ; 

 middle smooth. 

 Sec MS. P. 



