Worms. 



Curious observations upon Worms Reproductive 

 power of the JTa'is Sabularia Terebella Lum- 

 bricus (Planaria Helminthes, or Entozoa The 

 common Earth-worm, Lumbricus terrestris The 

 Leech, Hirudo medicinalis The Horse-leech, H. 

 sang-uisug-a Hirudi culture, or Leech breeding- Its 

 cruelties Extent to which it is carried on in France 

 Barometers of Leeches and Frog's Worms for 

 the Aquarium. 



