Revision der Tiirbellarieii. dl5 



polyhopla 297, polyophthalma 303, purpurea 299, pusilla 

 298, pusilla 260, Quatrefagei 304, rosea 294, rufi» 298, 

 sanguinea 305, Somatotomus 276, spectabilis 299, striata 

 303, supera 305, vermiculus 290, viridis 305. 



Nemertites Murchison: Olivantii 307. 



Notospermus )\ns,c\i\iQ: drepanensis Z02, Gesserensls 299, viri- 

 dis 305. 



Oerstedia Quatrefages: armata 263, Baculus 263, maculata 263, 

 pulchella 263, tubicoia 263. 



Ommatoplea Hempr. et Ehre nb.: alba 257, albicans 255, armata 

 257, balmea 255, bembix 256, berea 257, glauca 257, sp. 18 

 et 20, gracilis 255, Grubei 256, heterophthahiia 255, mutabilis 

 257, opbiocephala 256, pellucida 257, peronea 255, Polii 255, 

 pulchra 257, punctata 255, rosea 256, rubra 257, Stimpsoni 

 256, taeniata 256, violacea 257. 



Ophiocephalus Delle Chiaje: auripunetatus 287, hilineatus 2Ti, 

 heterorrhochmiis 288, miirenoides 287. 



Opistomum 0. Schmidt: pallidum 209, sp. 1 et 2. 



Orthostomum Hempr. etEhrenb.: pellucidum 234, siphonopha- 

 rum 218. 



Otocelis Diesing: rubropunctata 208. 



Phaenocora Ehrenb : megalops 309, notops 217. 



Pilidium Müller: auriculatum 259, gyrans 259. 



Plagiostomutti 0. Schmidt: boreale 241. 



Planaria Müller: acuminata 309, biocidata 301, cuneus 2^Q, 

 Edinensis 309, emarginata 309, filaris 260, flustrae 233, 

 fodinae 216, graminea 224, grossula 309, limacina 309, 

 mutabilis 228, nigricans 309, operculata 309, ptisio 309, 

 stagni 224, teiragona 220, variegata 229, vittata 399. 



Polia Delle Chiaje: canescens 262, capitata 292, coronata 295, 

 Dagesii 270, farinosa 293, fumosa 290, geniculata 301, gra- 

 cilis 300, grisea 265, humilis 290, involuta 254, obscura 

 291, 295 et 300, oculata 255, rhomboidalis 265, satigviru- 

 bra 290, vermiculus 290. 



Polina Stimpson: cerviealis 265, grisea 265, rhomboidalis 

 265. 



Polyhopla Diesing: Nemertes 297. 



