FROM THE MEDITERRANEAN AT JAFFA. 



20I 



Triton maculosus, Reeve. (Burton). Philippines. 



Solarium perspectivuni, Linn. (Burton). Amboyna ; Australia. 



Cyprcea scurra, Chemn. (Burton). Staines Island, Pacific. 



Cerithium nodulosum, Brug. (Beke). India and Moluccas. 



Trochus {Polydontd) sanguinolentus , Chemn. (Burton). 



Ricinula Morio. (Beke). (? R. Morus, Lamk.) Lord Hood's 

 Island. 



CONCHIFERA. 



Tellina staurella, Lamk. (Burton). Philippines. 



Cardium leucosioma, Boiss. (Burton). Singapore. 



Tridacna gigas, Kmn. (Burton). Pacific and Indian Oceans. 



Mactra decora. (Beke). 



Pecten pes-felis, Linn. (Beke). Mediterranean. 



Area antiquata. (Beke). 



Pectunculus paucipidus. (Beke). 



Venus crispata. (Beke). 



Cythercsa blanda. (Beke). 



The fact that each collector, even though working on the beach alone, 

 returns with additional species, shows that there is no reason to consider 

 we have as yet arrived at the total. Mr. McAndrew remarks that up to 

 the very last he never returned without having added several species to 

 his collection. The following numbers represent the known species from 

 the Red Sea : 



Issel 



McAndrew, not in Issel 



Burton, not in Issel or McAndrew ... 

 Beke, not in Issel, McAndrew or Burton 

 Hart, not in any above 



Total Red Sea molluscs 



640 



355 

 16 



15 

 56 



1082 



The species in this total, common to the Mediterranean and Red Sea, 

 form a percentage of less than three. 



26 



