MARINE BIOLOGICAL STATION AT PORT ERIN. 



275 



Mollusca. — Continued. 



Patella vulgata 

 Helcion pellucidum 

 Trochus zizyphinus 

 Littorina ... 

 Natica 



Aporrhais pes pelicani 

 Purpura lapillus . . . 

 Buccinum undatum 

 Fusus gracilis 

 Aplysia punctata... 



i 



four 6d. 



four 6d. 



three 6d. 



per dozen 8d. 



three 1/- 



,. i/- 



per dozen 8d. 

 each 4d., or 

 three lOd. 



each 6d., three 1/3 



NlJDIBRANCHIATA. 



Archidoris tuberculata 6d. to 9d., three 1/3 to 2/- 

 Dendronotus arborescens 

 Doto fragilis 

 Eolis papillosa 

 Eolis coronata 



each 1/-, three 2/6 

 9d., „ 2/- 

 9d., „ 2/- 

 9d., „ 2/- 



j> 



j> 



Cephalopoda. 



Eledone cirrosa .. 

 Sepiola atlantica .. 



each 2/- 



TUNICATA. 



Oikopleura nabellum (Appendicularia) per tube 8d. 

 Botryllus \ per colony 



Amaroucium 1/- to 2/-, 



Leptoclinum j according to 



Diplosonia J size and species. 



