50 



PLATYHELMINTHES TURBELLARIA 



CHAP. I 



VORTICIDAE . 



SOLENOPHARYNGIDAE 



Schultzid, 



Provortex balticus M. Sell. Generally distributed. 



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

 Vortex truncatus Ehrbg. Abundant in fresh water. 



V. armiger 0. Sch. Millport (fresh water). V. 

 schmidtii Grff., V. millportianus Grff. Millport. 

 V. viridis M. Sch. Generally distributed. 

 Jensenia. 

 Opistoma. 



Derostoma unipimctatum Oe. Edinburgh. 

 Graffilla. 

 Anoplodium. 

 Fecampia erythrocephala Giard. Plymouth, Port Erin. 



Solenopharynx. 



ALLOEOCOELA. 



Plagiostomatidae . Acmostoma. 



Plagiostoma dioicum Metsch., P. elongatum Gamb., P. 

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

 tum Lev. , P. sipJionophorum 0. Sch. , P. ochroleucum 

 Grff. All at Plymouth. 

 P. sulphureum Grff. 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. jingalianum Clap. Skye, Plymouth. E. coccum 

 Grff. Millport. 

 Allostoma pallidum van Ben. Millport. 

 Cylindro stoma ^-oculatum Leuck. Skye, Millport, Ply- 

 mouth. 

 C. inerme Hall, C. elongatum Lev. Plymouth. 

 Monoophorum striatum Grff. Plymouth. 



BoTHMOPLANlDAE . Bothrioplana. 



Bothrioplana sp. ? Manchester. 

 Otoplana. 



Monotidae . . . Monotus lineatus 0. 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. ophiocephalus 0. Sch. Ply- 

 mouth. 



