systematische Stellung einiger Binnenwiiriner. 43 



Habi taculum. Arion empi rico riini , var. rufiis: ad parie- 

 tes cavi respiratorii, rarins in rene, ad tractum cibarium: sporotheca 

 subglobosa Ve'" dlametri, utraque extremitate, diametraliter opposita, 

 scrobiculo solitario notata inelusus; aestate, prope Fryburgum in 

 Brisgavia (Siebold). 



4. Scolex (Oiichoscolex) decipiens Die sing. 

 Corpus contraetiiin subglobosum. Caput bothriis nunc ellipticis 

 nunc suborbicnlaribiis, septo transversali nullo. Rostellum pyriforme, 

 apice uncinulorum 28 — 32 Corona simpliei. Longit ad ^/\J" . 

 Stadia evolutionis: 



in stadio primo: Spoia s. nucleus cellulari s (embryo 

 Stein) disciformis suborbicularis vel subtriangularis 

 homogena, sporotbeca undique stricte adnata. uncinis 

 sex per paria dispositis uniarticulatis armata inclusa. 

 Diametr. Vag'". 

 in stadio secundo : Spora s. nucleus cellularis (embryo 

 Stein) disciformis suborbicularis vel subtriangularis 

 bomogena , sporotbeca lenticulari undique a nucleo 

 distante. uncinis sex irregulariter dispositis uniarticulatis 

 armata inclusa. Diametr. Va* '• 

 in stadio tertio: Vermiculus supra descriptus sporotheca 

 lenticulari ovali v. subtriangiilari inermi, uno margine in 

 pedicelluni (solidum?) spatbulaeformem dimidio v. duplo 

 longiorem, uncinis sex irregulariter dispositis uniarticu- 

 latis armatum, producta inelusus. Diametr. sporothecae 

 circa V,„"'. 



Nota. De siinili evolutione confer Tet r ab o th r i oi'hy n chum inigra- 

 torium et literaturam in Syst. Helmintb. I, 573. 



. . . R. Leuckart: in Morphologie und Vei'wandtsch. Verh. d. wirbell. 



Thiere 69. 

 Bandwürmer Stein: in Zeitschr. für wissensch. Zool. IV, (1852) 205 — 

 214, Tab. X, Fig. 12-20 (de evolut). 



Habi taculum. Ten ebrio mo litor, larva et imago: stadio 

 primo in ventriculo libere, stadio secundo et tertio extus ventriculo 

 adhaerens, Niemegk (Stein). 



