Ituvision der Turbellarien. Z,\i 



14. Ommatoplca alba DIE SING: Syst. Helm. I. 252. 

 Habitaculum. Littora Angliae ad Carrickfergus (Hyndman). 



•"* Ocelli plurimi in acervum unum vel plures consociati. 



15. Ommatoplca pulclira DIESING: Syst. Helm. 1. 252. 

 Habitaculum. Littus Berwickcense , inter Corallineas et in 



testaceis vacuis , frequens (.1 o li n s t o n). 



16. Ommatoplea berea DIESING: Syst. Helm. I. 252. 

 Habitaculum. Ad insulam Brehat inter lapides (Quatre- 



fages). 



17. Ommatoplca mutabilis DIESING: Syst. Helm. I. 252. 

 H a bita c ul u m. Prope St. Vaast (Q u a t r e f a g e s). 



18. Ommatoplca glauca DIESING: Syst. Helm. I. 253. 

 Habitaculum. Prope St. Vaast, rarius (Quatr efages). 



19. Ommatoplca violacea DIESING: Syst. Helm. I. 253. 

 Habitaculum. Prope St. Vaast, raro (Quatrefages). 



**** Ocelli in series plurcs angulum retrorsum patentem formantes dispositi. 



20. Ommatoplea glauca DIESING. 



Corpus depressum, supra glaucum, subtus album. Caput cor- 

 pore continuum. Proboscis vaginata. Occlli numerosi in series plures 

 dispositi, angulum retrorsum patentem formantes. Lougit. 1". 



Nemertes glancus Kölliker: in Verhandl. d. Schweiz, naturf. Gesellseh. 

 zu Chur im Juli 1844. Chur 1845. 89. — Siebold: in Troschel's 

 Arch. 1850. II. 382. 



Habitaculum. Neapoli (Kolli ker). 



Species inquirendae: 



21. Ommatoplea pellacida DIESING: Syst. Helm. I. 253 adde: 



Polystemma pellucidum Oersted: De region. marin. 80. 

 H a 1) i t a c ii I ii m. In regione argillacea s. Buccinoideorum 

 aestate, prope Hellebaek in fretu Öicsund (Oersted). 



22. Ommatoplca rubra DIESING I. c. 253. 



23. Ommatoplca armata DIESING I. c. 253. adde: 



Prostoma? Ommatoplea? Ehrenberg: Akalepli. des rothen Meeres 66. 

 Sitzb. d mathem.-iiatui'w. Cl. XLV. Bd. t. Abt Ii. 18 



