— 21 — 

 Genus Venu3, L. 



V. verrucosa, L. Maltese name Gandoffla. 



Abundant in the Creeks of the Grand 



Harbour and Marsatnuscetto. 

 V. gallina, L. Not conimon. 

 V. fasciata, Donovan ; syn. V. brogniarti, 



Payrandeau. Eare. 

 V. radiata, Brocchi. 

 V. undata, Pennant; syn. Lucina cadura, 



Scacchi. Rare, 

 V. decussata, L. Maltese name Arzclla ni- 



gra. Very common. 

 V. aurea, Mat. et Rack. Maltese name 



Arzella trapaiiiza. 

 V. lasta, Polii. 



V. nitens, Scacchi et Phil. * Eare. 

 V. geographica, L. ? * With varieties. Very 



rare. 



Having the 



margins 

 crenulated. 



Margins 

 entire. 



J 



Vcncres fossiles. 

 Two fossil species of Venus, not yet perfectly known, are 

 found in the form of casts, in Bed No. 2, the yellow 

 sand. (E. Forbes), 



X. Familia CAEDIACEA, Lamk. 



Genus Cardium, L. 



C. ciliare, L. 5 syn. C. paucicostatum, Eeeve, tab. iv. 



sp. 18. With three varieties. Maltese name Leuza. 

 C. erinaceum, Brug. Rare. 

 C. Ia3vigatum, L. Very rare. 



C. tuberculatum, L. Not common. Near Fort Ricasoli. 

 C. papillosum, Polii. Common. 

 C. exiguum, Gm. Rare. On the Ulva latissima. Costa, 



in his Corr. Zool., Naples, 1839, believes this Cardium to 



