ILLUSTRATIONS. 



(From photographs by Charles Martin.) 



Plate I. — Philippine Edible Mollusks. 



Fig. 1. Talaban, ojstev {Ostrea orientalis Ch.) . 



2. Halaan, patayog, cabia, hard shell clam (Tapes Uterata Linn.). 



3. Halaan, hard shell clam (Tapes virginal Linn.). 



4. Calumismis, surf clam (Tapes striatus Chem.). 



5. Saropsarop, sand clam (Circe undatina Linn.) 



6. Lucan, little-neck clam (Cyrena suborbicularis Phil.). 



7. Alaunghuga, whelk (Melongena cochlidium Linn.). 



8. Sulib, fresh-water mussel (Anodonta tenius Lea). 



9. Lutos, duck-bill clam (Anattna truncata Linn.). 



10. Tehong, mussel (Modiola metealfei Hare.). 



11. Balay, tongue clam (Lingula anatina Linn.). 



Plate II. — Philippine Edible Mollusks. 



Fig. 1. Tulla, small green clam (Psamynobia togata Slesh.). 



2. Camotpusa, ridged sand clam (Circe gibbea Lk.). 



3. Bototoy, rock clam (Cardiutn dule Linn.). 



4. Butil, lesser ridged clam (Cryptogramma squamosa Linn.). 



5. Alamis, minute sand clam (Dorax radians Lk.). 



6. Kanturi, venus clam (Cardium donaciforme Speng). 



7. Morans, waved venus clam (Venus alta Saw.). 



8. Paros (Capsella elongata L.) . 



9. Paros, sunset shell (Tellina incerta Desh.). 



10. Tikhan, razor clam (Solen gracilis Phil.). 



11. Susong-puti, horn shell (Cerithium rhizoporarum A. D.). 



12. Bangongon, horn shell (Telescopium telescopium Linn.). 



13. Suso, horn shell (Potomides sulcatus Born.). 



14. Sihi, bleeding tooth shell (Neritina pennota Bonn.). 



15. Palagsi, strombus shell (Strombus canarium Linn.). 



16. Suso, black river-snail (Helicidx) . 



17. Cohol, green river-snail (Helicidx) . 



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