EDIBLE MOLLUSKS. 277 



"butil." 



The butil, Cryptogramma squamosa Linn. (Plate II, fig. 4), 

 is a clam 2 to 3 centimeters in its greatest diameter, found in 

 the salt water on sandy beaches, throughout the Islands. The 

 strongly-ribbed shell is white and brown. This small clam is 

 a common article of food for the natives living near the sea. 

 It sells for 3 centavos per hundred and makes excellent soup. 



VENUS CLAM. 



- The kanturi, Cardium donaciforme Speng. (Plate II, fig. 6), 

 is a white clam about 4 centimeters in length, common on sandy, 

 salt-water beaches. It is of little value, and sells for 3 centavos 

 per hundred. 



MINUTE SAND CLAM. 



The alamis, Dorax radians Lk. (Plate II, fig. 5), is a white 

 or bluish clam, measuring about 3 centimeters across its greatest 

 diameter. It is very abundant on sandy beaches in shallow 

 salt water. It sells for 5 centavos per kilogram in the local 

 markets. 



WAVED VENUS CLAM. 



The morans, Venus alta Saw. (Plate II, fig. 7), is a small 

 clam, and is not found in sufl[icient quantities to be of much 

 importance. It is interesting because of the curious sculpturing 

 of its shell which resembles a minute model of the terraces on 

 the hills of Japan or in the Igorot country of the Philippines. 



DUCK-BILL CLAM. 



The lutos, Anatina truncata Linn. (Plate I, fig. 9), is found 

 in abundance in the sand and mud of the shallow water of 

 Manila Bay. It is easily distinguished by the long thick "neck" 

 protruding from the posterior portion of the shell. The color 

 is uniformly white; the shell is very thin, and ranges in size 

 up to 8 centimeters or more. It is regarded as a good food 

 and sells for about 10 centavos per kilogram in the local 

 markets. 



SUNSET AND TELLEN SHELLS. 



Par OS. (Plate II, fig. 9.) There are about 14 species of the 

 genus Tellina found in the Philippines, all of Vi^hich are used as 

 food. They are found on sandy or muddy shores, in the esteros 

 or near the entrances to streams. They are usually beautiful 

 shells, being a delicate purple with radiating stripes extending 



