278 



MARINE ZOOLOGY OF ARRAN. 



Littorina rudis, 

 *Lucina flexuosa, 



* -- spinifera, . 

 *Lucinopsis undata, 

 *Lmtraria elliptica, . 



Lyonsia Norvegica, 

 Mactra elliptica, 



- solida, 



- stultorum, . 



- subtruncata, 

 Mangelia costata, . 



- Leufroyi, 



* - linearis, . 



* - nebula, . 



* - septangularis, 

 -- teres, 



* - turricula, 

 Modiola modiolus, . 



* -- phaseolina, 



*Montacuta bidentata, 



- substriata, 

 *Mya areuaria, 



* - truncata, 



Mytilus edulis, 



Nassa incrassata, .. 

 - reticulata, . 

 *Natica alderi, 

 -- monilifera, . 

 - Montagui, . 

 *Nucula nitida, 

 -- nuaeus, 



- radiata, 

 Odostomia conoidea, 



-- cylindrica, 



- decussata, 



- excavata, 



- interstincta, 

 -- plicata, . 

 -- rissoides, 



- spiralis, 

 -- unidentata, 



In the sands, low water, 

 Lamlash. 



In deep water between Clach- 

 land Point and Holy Island. 



M. rufa was dredged between 

 Fullarton'sRock and King's 

 Cross Point. 



( Attached to the spines of 

 ( SpaAangus purpureus. 



Immature specimens every- 

 where. 



