532 D i e s i n g. 



ocelli marginales frontales pauci mfnuti. Os in medlo fere corporis. 

 Longit. IVa". latit. 1". 



Pachyplana lactea Stimpson: Prodi". I. 4 et 10. 



Hab ita cul 11 m. Siiblittoralis in loeis lapillosis et algosis sub 

 lapidibus magnis ad oras insulae Ousima (Stimpson). 



cj Ocellorum acervi tres; ocelli marginales nulli. 



27. leptoplaoa pellucida GRUBE. — Dies. Syst. Heim. I. 196. 

 Habitac iilum. Panormi (Grube). 



dj Ocellorum acervi quatiior; ocelli primarii et secundarii (Stimps.); 



ocelli marginales nulli. 



28. Leptoplana hyalina hempRICH et EHRENBERG. — Dies. Syst. 

 Helm. I. 197 adde: 



Stimpson: Prodr. I. 3. 

 Habitaeulum. Inter Corallia ad Tor in mare rubro (Hem- 

 pricb et Ehrenberg). 



29. Leptoplana atomata OERSTED. — Dies. Syst. Helm. l. 197 adde: 

 Stimpson: Prodr. I. 3. — Lenckart: in Troschel's Arch. 1859, II. 183. 

 Planaria maculata Dahjell: Powers of the Creator II. lOS, 1Ü6. Tab. XIV. 



27—33. 

 Habitaeulum. In sinu Droebachiensi (Müller); — sinn 

 Codano ad algas tlorideas (Oersted); Helgolandiae (Frey et 

 Lenckart) ad littus Britanniae (Fleming); Scotiae (l)alyell). 

 — Neapoli? (Delle Chiaje?) 



30. Leptoplaoa tremeUaris OERSTED. — Dies. Syst. Helm. I. 

 197. adde: 



Stimpson: Prodr. I. 3. 



Planaria? tremellaris Ehrenberg: Acaleph. d. roth. Meeres 67. 

 Habitaeulum. In sinu Christianensi, Augusto (Müller); — 

 portu Hafniensi, Decembri (Müller et Oersted); in Gallia (l)ii- 

 ges); Panormi (Grube); in Britannia (Thompson). 



31. Leptoplana nigropunctata OERSTED. — Dies. Syst. Helm. 1. 198. 

 Habitaeulum. In sinu Codano ad Kulien (Oersted). 



32. Leptoplana laevigata DIESING. — Syst. Helm. I. 198. adde: 

 Stimpson: Prodr. I. 3. — 0. Schmidt: in Zeitschr. f. wissensch. Zool. 



XI. (1860), 10 et 31. Tab. I. 3, 4, S. 

 Polycelis laevigata Quatref. Beneden: Faune litt, de Belgique (18G0), 

 42. Tal). VII. 10. — Grube: Ausflug nach Triest u. dem Quarnero 

 1801. 23 et 130. 



