FIRST LECTURE^. 75 



(5S) Systema nat,,j). 33S1, " Articuli Imic spe- 

 ceiei brevissimi sextuplo;-' Amoen. acad. vol. ii. 

 J). 81, tab. 1, fig. iii. 



{5S) Elenchus Zoophjtor,, etc. The three first 

 species are the same as those described by Linnae- 

 us ; his fourth species is the taenia tenella ; the 

 fifth and sixth species by no means belong to the 

 genus taenia. 



(54) Versuchiner JS^aturgeschiche der Einge- 

 weidewiirmer. Tiie taeniae constitute the tenth 

 genus of the worms of the viscera. The species of 

 human taeniae, which he has admitted are four; 



1. Taenia ciicurhitina ; 



2. Taenia vulgaris, grysea Auctorum ; 



3. T. lata ; and -i. T. tenella, F alias. 



(55) Goeze, the work cited, p. 303, tlms ex- 

 presses himself: '"The taenia tenella, which Fal- 

 las saw discharged from several sick persons at 

 Petersburgh, has great resemblance to the fiat tae- 

 nia, except that it is more slender, and in some 

 of its parts more transparent ; I therefore regard it 

 as a variety of the broad taenia, or as a small flat 

 taenia, not yet fully developed, or arrived at its 

 natural size and growth.'' 



(56) Other writers, for example, consider the 

 long rings as characteristic of the broad taenia. 

 Vogel admits them in the taenia solium. No nat- 

 uralist has yet found the head of the taenia vulga-^ 

 ris. We cannot think with those who have believ- 

 ed that provident nature has refused to this taenia 



