579 



tuso roseo, capite medio constricto, oculorum 6 duobus posticis 

 ab 4 anticis valde remotis. 

 SSeb flutfen. 



Nemertes maculata Orsd. 



Corpore 2" longo 1"' lato utrinque aequaliter obtuso 

 lacteo cum maculis numerosis nigris sparsis, oculis? fissuris 

 respiratoriis maximis. 



93eb £cflefrcef yaa Seerfrunfc. 



Zii benne <3tcegt aiffe folgenbe %xkx rtmettgtnto frltoe at 

 ^cnferc: Nemertes oclooculata Johnsl., Nemertes purpurea Johnst, 

 Planaria lateritia Rathke, PI. sangvinea Rathke, Notespermus 

 drepanensis Huschke, Tubulanus elegaus Renieri, Ophiocepha- 

 lus viridis Quoy & Gaimard, Ophiocephalus murenoides Del. 

 Chiaj., Tubulanus polymorphus Del. Chiaj., Bonellia viridis 

 Rolando, Micrura fasciculata Ehrb., Polia coerulescens Del. 

 Chiaje, Polia geniculata Del. Chiaje, Polia delineata Del. Chiaje, 

 Meckelia annulata Grube. 



Gen. Polystemma (Ehrb.~) Orsd. 

 Polyslemma, Ommatoplea & Amphiporns Ehrb. 

 Corpus lineare subdepressum, ocellorum plurimorum acervi 

 2 — 4, flssurae respiratoriae indistinct*, antice maculis duabus 

 rubris (cordibus translucentibus) 



Polystemma roseum Orsd. 



Fasciola rosea Mull. Hist. Verm. p. 58. 



Planaria rosea Zool. Dan. Tab. 64. 



Nemertes lactiflora Johnston loc. cit. PI. 17 fig. 2. 



Corpore 2" 4'" longo 2"' lato roseo vel lacteo -rube- 

 scente anteriorem partem versus angustiore postice obtuso, 

 capite subcordato. 



fcemmelig atmmbeltg i (Sunbct. 



37* 



