50 



CLASS VI. 



VERMES. 

 WORMS. 



Div. I. INTESTINA L. 



GENUS I. ASCARIS. 

 Body slender, filiform, attenuated at each end, 



1. Vprmicu- Ascaris. Lin. Syst. IO76. Gm. Lin. 302Q. 



LARIS. 



Asc. with faint annular rugce; thicker at one 

 end than the other ; mouth transverse. 



Inhabits, according to Linnceus, boggy places, 

 and under the roots of decayed plants ; found 

 in the rectum of children and horses; often 

 observed in the dung of the last; emaciates 

 children greatly ; is sometimes vomited up. 



2. Marina. Gm. Lin. 3035. Gordius marinus. Lin. Syst. 1075. 



Marine. 



Asc. filiform, twisted spirally and lying flat. 



