338 Dr Escliricht's Inquiries concernin(j 



was little attended to. In Germany, the first report alone was 

 published (in Frorieps Notizen, vol. xxxvi. p. 122), and the 

 well-known Stron^ijlus inflexus was introduced with the very 

 equivocal appellation of *' Flakenwurm,"*^ which is very easily 

 confounded with Hamularia. 



The delineations, supplied by Dr Craigie. of the posterior 

 extremity of the female are excellent. We add, that the same 

 extremity of the male has a very complicated structure. Two 

 dark bodies, having the form of a Roman S, constitute the 

 horny penis, which were, in every instance I noticed, retracted 

 within the body. The nature of the two round bodies which 

 resembled eyes, I could not discover. These two horns are 

 intended, I suppose, to grasp the female during copulation ; 

 their shape reminds us of the legs of some old-fashioned arm- 

 chairs : they are included in transparent membranes like 

 wings, and similar membranes invest the whole of this part 

 of the body. These female worms, when in a fresh state, pre- 

 sent a very beautiful appearance, as the white colour of the 

 horns of the uterus, formed like the beads of a rosary, con- 

 trast very strikingly with the adjacent black stomach and in- 

 testine.* From the ovaries very narrow oviducts lead into 

 these horns of the uterus. The internal construction of these 

 female organs is precisely the same as that in the Ascaris 

 lumbricoideSy but with this attending difference, that the young 

 are developed in the ova during their passage through the 

 oviducts and uterus. A small puncture in different parts will 

 allow the ova to escape, with young ones in different stages. 



Sect. 4. Example from the Boihriocej)haliis latus and punc- 

 tatus. — In the Bothriocephalus latus the female organs are 

 formed in the following manner, as is more minutely described 

 in my treatise formerly mentioned. In each joint is found a 

 uterus, commonly called an ovary. It maybe unrolled in one 

 cylindrical tube, wider towards the head, and very narrow at 

 the other extremity. It is composed of two tunics, an exterior 

 hard one, and an interior one, very thin. On the exterior are 

 situate white corpuscula, which seem to be glands for the 



* This black colour docs not proceed from their contents, but from the 

 liver, which is situate between the coals of the intestinal tube, throughout 

 its whole length. 



