^S THE FRIBS. 



are fcarcely vifible : The other takes its rife immediately 

 behind it, furrounds the tail, and terminates in the mid? 

 die fpace, between the tail and the anus *. 



Willuughhy defcribes two other fpecies of the lamprey ; 

 the mucu peculiar to the marlhes and lakes of Bra%il ; 

 and the blind lamprey, a fmail round fifli, no larger than 

 May worms : The laft marked round the body with 84 

 tranfverfe lines, or annuli, reiembling thofe upon th^ 

 terreftrial worm f . 



* Willough. page 105. I Fide Icthyol. loco citato* 



