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 Z\ to 3|- inches ; breadth 

 2^ inches. 



Scrobicularia piperata : valves on shore. 

 *Borniu corbuloides ? sand and nullipore. 

 *Kellia suborbicularis : in dead shells of PuUastra virginea. 



Lepton squamosum : valves in sand. 

 *Montacuta bidentata : mud. 

 *Curbula nucleus : mud. 



Nceara cuspidata : valves : mud. 



Pandora rostrata : sand. ' 



*Thracia phaseolina: sand. 



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

 *Si/ndosmya alba : mud (Boysii). 



* tenuis: mud (Prismatica). 



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



tellinella ; valves : young. 



*Tellina tenuis: sand: common. 



donacina : valves. 



* distorta : 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. 



*Astarte triangularis (Goodallia) : nullipore : common. 



* Venus verrucosa : sand : common. 

 * striata : mud : common. 



* fas data : nullipore : common. 



* ovata : nullipore : common. 



"^PuUastra 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. 



