Revision der Turhellarien. 503 



corporis parte ab apice remoti, pigmento semicirculari ad latus 

 internum globulorum ovalium. Longit. ultra 2'", latit. ultra 1/3'". 

 Fovia trilobata Stimpson: Prodr. I- 6 et 12. 



Habitaculum. In sinu Avatscha Kamtschafkae, littoralis, iuter 

 lapides (Sti mpson). 



VIIF. RHYNCHODEMUS LEIDY. 



Planariae spec. Auetor., Geoplanae spec. Schnitze. 



Corpus subcylindi'icum vel depressum. Caput corpore con- 

 tinuum proboscidiforme reflexile. Tentacüla nulla. Ocelli duo. Os 

 ventrale infra medium corporis situm, oesophago doliiformi. Aper- 

 iura genitalis unica retro os. — Terrestres ; zonae temperatae 

 Europae et Americae, tarn borealis quam meridionalis, incolae. 



1. Rhjnchodemns terrestris LEIDY. 



Fasciola terrestris Müller: Vermes terrestr. et fluviat. bist. I. 2. 68. 



Pianaria terrestris Gmeliu: Hist. nat. 3092. — Dies.: Syst. Helm. I. 206. 



Planaria terrestris Dnges: in Annal. des sc. nat. XXI. 82. Tab. II. 18. — 



Ehrenberg: Acalepb. d. rothen Meeres 67. — Oersted: in Kroyer's 



Naturhist. Tidssk. IV. Sö2 in nota; ej. Entw. einer syst. Eintb. 



der Plaltw. 55 in nota. — Schmarda: Neue wirbell. Tb. I. 1. XIII. 



Rbyncbodemus? terrestris Leidy : in Proeeed. Aead. Philad. V. (18ol)^ 



289. — Stimpson: Prodr. I. 7. 

 Geoplana terrestris M. Schnitze: in Hall. Abhandl. IV. (1856), 22 et 32. 



Habitaculo adde: Sub lapidibus prope Gryphiam raro 



(Freder. Müller). 



2. Rhynchodemas sylvaticns LEIDY. 



Corpus elongatum crassiusculum antrorsum sublineare, retror- 

 sum dilatatum, postice acutum, supra convexiusculum, griseum striis 

 longitudinalibus duabus fuliginosis et maciila fuliginosa transversali 

 mediana, subtus planum albidum. Caput brunneum. OcelH prominuli 

 circulares capiti impositi. Longit. 2 — 7'", hit. capitis y^'"» corp. </:^"'. 



Planaria sylvatica Leidy: in Proeeed. Aead. Pbilad. V. 1851, 241. 

 Rbyncbodemus sylvaticus Leidy: ibid. 289 et 1858, 171. — Stimpson: 



Prodr. I. 7. 

 Geoplana sylvatiea M. Schnitze: in Hall. Abband!. IV. (1856),, 32. 



Habitaculum. In hortis et sylvis sub la[)idibus et lignis putri- 

 dis nee non corticibus, in America septentrioiiali (Leidy). 



Limaeis more incedit, mucum copio-sum excernens. — Aniinaluiila nocti- 

 vaga, insectivora. 



34* 



