76 NOTES TO THE 



a part so essential as the head; this is repugnant 

 to good sense. 



Vogcl notwithstanding regarded tins privation 

 of the head as the distinct and specific character of 

 the taenia vulgaris. 



The existence of the liead was on the contrary, 

 according to liira, the characteristic mark of the 

 hroad taenia. 



For this reason, Jloederer felt himself compel- 

 led very puhlicly to remark, that the taenia soli- 

 nm had a head. Certainly Vogel was not a fool ; 

 hut sometijies the errors of great men seem to rise 

 in proportion to their celebrity ! 



(57) See § VI. 



(58) Plater, Andry, and Bonnet v/ere assured- 

 ly not deceived in admitting but two species of in- 

 testinal taenae. 



As to the taenia, called common by Linnaeus^ 

 gray by Pallas, and membranous by Goeze, vve 

 must agree with Werner, p. 49 of the work cited, 

 that it is also a variety of the flat taenia, or a taenia 

 described from subjects badly preserved. The fol- 

 lowing reflections of this distinguished observer are 

 worthy of notice; I here use his own words: 

 ''Quae enim illi (taeniae vulgari) optimi Auctores 

 diiplicia in alterutra superficiei orificia tribuunt, ex 

 quodam errore hue convenisse videntur, si quidem 

 ego gemina tubercula quidem, ad latera posita, nun- 

 quam vero in superficie, deprehendi. Qnamvis ego 

 autem is nullo modo sim, qui meas observationes 

 borum optimorum virorum auctoritati opponere au- 



