PLATYHELMINTHES TURBELLARIA 



VORTICIDAE 



fidiultzia. 



Provortex balticus M. Sch. Generally distributed. 



P. affinis Jen., P. rubrobacillus Gamb. Plymouth. 

 Vortex truncatus Ehrbg. Abundant in fresa water. 



V. armiger 0. Sch. Millport ffresh water). V. 

 schmidtii Grff., V. millportianu* Grif. Millport. 

 V. viridis M. Sch. Generally distributed. 

 Jensenia. 

 Opistoma. 



Derostoma unipunctatum Oe. Edinburgh. 

 Graffilla. 

 Anoplodium. 

 Fecampia erythrocephala Giard. Plymouth, Port Erin. 



SOLENOPHARYNGIDAE . Solenophanjnx. 



PLAOIOSTOMATIDAE 



BOTHRIOPLAMD 

 MONOTIDAE . 



ALLOEOCOELA. 



Acmostoma. 



Plagiostoma dioicum Metsch., P. dongatum Gamb., P. 

 pseudomaculatum Gamb., P. sagitta Ulj., P. cauda- 

 tum Lev., P. siphonophorumQ. Sch., P. ochroleucum 

 Grtf. All at Plymouth. 



P. siilphureum Grlf. Port Erin. P. vittatum F. and 



Leuck. Millport, Plymouth, Port Erin. P. koreni 



Jen. Plymouth, Millport. P. girardi 0. Sch. 



Plymouth, Port Erin, Valencia. 



Vorticeros auriculatum 0. F. M. (Fig. 19, C). Port 



Erin, Plymouth. V. luteum Grff. Plymouth. 

 Enterostoma austriacum Grff. Plymouth, Port Erin. 

 E. fingalianum Clap. Skye, Plymouth. E. coecum 



Grff. Millport. 



Allostoma pallidum van Ben. Millport. 

 Cylindrostoma i-oculatum Leuck. Skye, Millport, Ply- 



mouth. 



C. incrme Hall, C. dongatum Lev. Plymouth 

 Monoophorum striatum Grff. Plymouth. 



Bothrioplana. 



Bothrioplana sp. ? Manchester. 

 Otoplana. 



Monotus lineatusO.F. M., M. fuscus Oe. (Fig. 19, D). 



Both common littoral forms. 

 M. albus Lev. Plymouth. 

 Automolos unipunctatus Oe. Skye, St. Andrews, 



Plymouth. 



A. horridus Gamb., A. ophiocepJtalus 0. Sch. Ply- 

 mouth. 



