Über eine naturgemässe Vertheilung der Cephalocotyleen. 1)7 1 



In piscium fluviatilium, praeprimis Cyprinorum, cavo abdomi- 

 nis primitive; in avium piscivorarum ingluvie vel intestinis cum illis 

 postmodum translata et in vario gfadu evolutionis detenta. 



1. Lignla monogramma CREPLIX. 



Corpus continuum hinc inde transverse rugosum , in uon evolu- 

 tis sulco longitudinali simplici exaratum. Ovariorum series in evolutis 

 solitaria continua vel alternatim interrupta. Longit. l / z — 5'; ladt. 

 3'"— 1". 



Status i n e v o 1 u t u s : 

 Ligula simplicissima Blanchard in : Annal. des sc. nat. 3. Ser. XI. 134—136 



(cum anatom.) 

 Ligula digramma stat. inevol. — Syst. Helm. I. 580. Nr. 2 (cum synon.). 

 Ligula monogramma Creplin: in Wiegmann's Arch. 1851, 272. 



H a b i t a c u 1 u m. Leuciscus vulgaris (Pallas), L. rutilus (Hübner) , 

 L. erythrophtbalmus (Bremser), L. Idus (Blanchard), Abramis Blicca 

 (Gueze), A. Brama (Budolpbi et Bremser), Aspius alburnus (Bremser), 

 Gobio vulgaris et Carassius Gibelio (Budolpbi). Amocoetes brancbia- 

 lis (Schrank), Acanthopsis Taenia (Frisch et Blocb), Salmo Salveli- 

 nus et Coregonus Wartmanni (Schrank), Silurus Glanis, Esox Lucius, 

 Perca fluviatilis et Lucioperca Sandra: in cavo abdominis, vario anni 

 tempore ML C. V. 



Status evolutus. 

 Ligula sparsa Iiellingham: in Ann. of nat. hist. XIV, 165. — Creplin: in 



Wiegmann's Arch. 1849. I, 69. 

 Ligula monogramma stat. evolut. — Syst. Helm. I. 579. Nr. 1 (cum 

 synon.). — Creplin: in Wiegmann's Arch. 1851. 272. 



Habita culum. Falco chrysactos (Braun), F. Albicilla (Brem- 

 ser), Ciconia alba (Hildebrandt) et in Hibernia (Bcllingbam), Ardea 

 Nycticorax et alba, Totanus Glottis, Sterna Hirundo et nigra, Colym- 

 bus septentrionalis et arcticus M. C. V. — Podiceps arcticus (Schil- 

 ling) , P. cristatus et rubricollis, Anas Boscbas fera M. C. V. — 

 Carbo Cormoranus (Creplin): cum piscibus depastis in intestina trans- 

 lata, vario anni tempore M. C. V. 

 2. Ligula digramma CREPLIN. 



Corpus continuum passim transverse rugosum, in non evolutis 

 sulcis longitudinalibus duobus parallelis exaratum. Ovariorum series : 

 in evolutis duae alternantes v. interrupte oppositae. Longit. 1 — i x / % " 

 et ultra; latit 3 — 6'". 



