510 Mr. R. MacAndrew on the Mollusca of Vigo Bay, 



commissioned several people to procure them for me at a low 

 spring tide, but without success : length 3^ to 3f inches ; breadth 

 2\ inches. 



Scrobicularia piperata : valves on shore. 

 *Borni(i corhuloides ? sand and nullipore. 

 *Kellia suborbicularis : in dead shells of Pullastra virginea. 



Lepton squamosum : valves in sand. 

 *Montacuta bidentata : mud. 

 *Corbula nucleus : mud. 



Nceara cusjndata ; valves : mud. 



Pandora rostrata : sand. 

 *Thracia phaseoUna : sand. 



^Saxicava arctica : the minute mud variety first noticed by Hanley. 

 *Syndosmya alba : mud (Boysii). 



* tenuis : mud (Prismatica) . 



*Psammobia vespertina : sand : one live specimen from low water. 



tellinella : valves : young. 



*Tellina tenuis: sand: common. 



donacina : valves. 



* distort a : sand and nullipore. 



crassa : one recent valve. 



. ? or Lucina : obliquely striated, valves (common at Gibraltar) 



radiated. 

 *Diodonta fragilis : common on the shore : one live specimen. 



Lucina lactea } mud. 



* rotundata : mud. 



* sinuosa : rare : small. 



* spinifera ; mud : common, but few living. 



* var. ? smooth cream colour. 



* Artemis exoleta : sand at low water. 



* lincta : sand : more rare than preceding. 



*Mactra subtruncata : sand : common. 



truncata : rare : sand. 



Donax trunculus or anatina (I think latter). 



Mesodesma donacina : shore : common. 



Cytherea Chione : valves : shore. 



* minute common in nullipore and gravel. 



*Jstarte triangularis (Goodallia) : nullipore : common. 



* Venus verrucosa : sand : common. 

 * striata : mud : common. 



* fasciata: nullipore : common. 



* ovata : nullipore : common. 



*Pullastra decussata : low water. 



vulgaris : low water. 



aurea : shore. 



* virginea : nullipore and mud. 



*Cardium edule : shore : abundant. 



* echinatum : one live specimen. 



* tuberculatum : one live specimen. 



* ciliare : mud : common. 



