lievisioi) der My/.lielminthen. o5;f 



I. Amphiptyches Irna GBUBE et WAGENER. 



Corpus subellipticiim pliinum, retrorsum attenuatum, transparens 

 albidum, supra aculeis brevissiinis cuti immersis exasperatum, subtus 

 subinerme. statu contracto deiise transverse rugosum. Os aniplum, 

 apertiira circiihiri. Acetabulum cainpaimlatuin, limbo undulato-cris- 

 l»ato. Longit. 6vV"— 1" 10'"; latit. V3— -6%'". 



Anipliiptyclies ürna Grube et Wagener: in Miiller's Aroli. 1852. S43 — 

 534. Tab. XIV et XV (cum anatom.). — Grube: \n Wiegmann's Arch. 

 18SÖ. I. 137. 

 Gyroeotyle amphiptyches Wagener: in literis mihi allatis d. d. 27. Dec. 

 1857. 

 Habitaculum. Chimaera monstrosa: in intestini valvula 

 penultima et ad brancbias, Julio — Decembri, Niceae (Grube et 

 Wage ner). 



XIII. DIPLODISCUS DIESING. Charaet. emendat. 



Pianaria Goeze. — Fasciola Schrank. — • Distoma Zeder. — Hiriido Bratin. 



Amphistoma Rndolphi. 



Corpus obovale v. conicum depressiuseulum, margine postico 

 circulari elevato. Caput corpore contiiiuum. Os terminale acetabu- 

 liforme. Acetabulum basilare centrale, apertura centrali. Andro- 

 gyna; aperturae genitab'um approximatae antrorsum sitae. Porus 

 excretorius .... Tractus intestinalis bicruris, coeeus. — Ovipara, 

 ovulis operculatis, — Animalcula metagenesi subjecta. — Batrachio- 

 rum endoparasita. 



Apertura centralis in acetabulo cl. Zeder: apertura genitalis fcminea, cl. 

 Pagensiccher : \)or\is excretorius; de poris excretoriis caudaelarvae confer 

 infra obs. cl. Wagener. 

 Slatvs larvac : Corpus oho\A\Q v. conieum depressiuscuiuni, margine postico 

 snbcireulari elevato; ocellis in anteriore corporis parte duobus nigres- 

 centibus subcutaneis mobiiibus subconicis, basibus suis trianguJariter 

 excisis apicibus retrorsum convergentibus. Os terminale acetabuliforme. 

 Acetabulum basilare centrale, apertura centrali. Cauda filiformis retror- 

 sum altenuata margini corporis basilari inscrta, decidua. Puri cxcre- 

 torii in iitroque caudae latere. — Tractus intestinalis bicruris, coccus. 

 Organa genitalia nulla aut niere rudimentaria. — Larvarum ortus in spo- 

 rotheriis. — Mclluscormn endo- v. ectoparasita. 



I. Dlplodiscns snbclayatns DIESING. 



Corpus conicum, versatile. Longit. 1/0 — 1%'"; crassit. antrors. 

 Vs — Vt'"; retrors. ultra i'". 



Diplodiseus subclavatus Diesing. — Syst. Helm. I. 318. — Leidy : in 

 Proceed. Aead. Pliilad. VIII. (1856). 45. — Wagener: in Naluurk. 



