,w 



I Angulated Gryphcea. 2 Long-spined Spondylus. 3 Edible Ostrea 4 Branched 

 Plicatula. b Speckled Pecten. & Thorny Plagiostoma. 1 Glassy Lima. S Tvr- 

 ton's Galeamma. 9 Spondylus-shaped Pedum. 10 Pearl-bearing Meleagrina. 



II English Avicula 12. White Malleus. 13 Saddle Perna. 14 Muscle- shaped 

 Crenatula. \b Huge Pinna. 16 Edible Myfiltis. 17 Discordant Modiola, 18 

 Spotted Hippopus. 19 0?'a? Etheria. 20 Lazarus Chama. 21 C/an/ Tridacna. 

 22 ^% Iridina. 23 Oblique Pisidium. 



Al'-.lil;: 



