Botany and Zoology. 270 
animal life is more strange than the history of the tapeworm, and as the 
facts have not been in this Journal, we cite a few paragraphs on the 
subject, - 
“Every butcher is acquainted with the disease in the muscles of the 
hame of Hydatids. For example, they are very often met with in the 
liver of rats and mice; in the mesentery of the hare; and even, though 
own in science under the generic name of Cysticercus. ’ 
Again, other hydatids, varying from the size of a pea to a-diameter of 
ra 
? 
; q ined, years 
*g0, to be caused by another sort of hydatid, appearing as a bladder, 
® inside of the bladder by inversion like the finger of a _— This 
But we now know that all of 
and that the whole order of 
important discovery was made as follows. Ephraim Gétze, a 
n clergyman and naturalist of the last century, had noticed a sin- 
= Similarity between the heads of some Cysticerci and those of some 
tapeworms, He had particularly noticed this similarity between the 
qbevorm of the cat (Lenia crassicollis,) and the Cysticereus — 4 
Yon es the liver of the rat and mouse ( Cysticerous Sapte oh a the 
Same lebold, the most noted prmeomer eae living, had observ 6 
these, ing and in 1848 had already alluded to the at 
Ih his otica might be nothing but undeveloped or : asia 
of. Haute however, he still recognized the Cie as a distinct order 
inths, a 
