26 TEANSACTIONS LIVEEPOOL BIOLOGICAL SOCIETY. 



l?YCTXO<3rOmT>A.:—Nymphon rubrum, Hodge, Turbot Hole, 



Puffin Island. 

 Mollusca : — Mytilus phaseolinus, Phil., Isle of Man, S. 



Lecla minuta, Miill., var. brevirostris, Jeff., Port Erin. 



Mactra solida, var. truncata, Mont., Puffin Island. 



Mactra subtruncata, var. striata, Brown, Soutbport. 

 ,, var. incequalis, Jeff., Southport. 



Saxicava rugosa, var. arctica, L., Isle of Man South. 



Panopea plicata, Mont., Southport. 



Teredo megotara, Han., and var. mionota, Southport. 



T. norvegica, Speng., var. divaricata, Desh., South- 

 port. 



Siphonodentalium lofotense, Sars, off Peel, I. of Man. 



Troclius zizyphinus, var. liumilior, Jeff., Port Erin. 



Emargimila fissura, var. elata, Jeff., central area. 



Bissoa stria tula, Mont., Waterloo. 



B. zetlandica, Mont., Isle of Man, South. 



B. striata, var. arctica., Lov., Puffin Island, Port 

 Erin, and Port St. Mary. 

 ,, var. distorta, Mar., Puffin Island. 



Hydrobia ventrosa, Mont., Colwyn Bay and South- 

 port. 



Odostomia minima, Jeff., Isle of Man South; and 

 Puffin Island. 



0. clavula, Lov., Southport. 



0. rissoides, var. glabrata, off Port Erin. 



0. albella, Lov., Port St. Mary. 



,, var. subcylindrica, Marsh., Port Erin. 



0. insculpta, Mont., Puffin Island, Southport and 

 Isle of Man South. 



0. turrita, var. nana, Jeff., Port Erin. 



0. interstincta, var. suturalis, Phil., Southport, Puffin 

 Island, and Isle of Man. 



Cerithiinn perversnm, L., Isle of Man South, 



