from ALL PARTS of THE WORLD 



57 



1. Siliqua patula, Dixon. Oregon. The 

 Flat Razor-clam. The entire surface is 

 yellowish-brown with traces of violet. It 

 is a large shell which burrows in the sand 

 and can often be detected by the water 

 being thrown up by the siphon as one 

 walks along the beach. It is said to be the 

 first shell described from the West Coast 

 which you will find in the excellent book 

 written by Captain George Dixon, pub- 

 lished in London in 1789. His men found 

 the shell meat very fine eating and much 

 enjoyed. Usual specimens 5". 1.00 



2. Platycodon cancellata. Con. The 

 Checked Soft-shell Clam. Closely re- 

 lated to the genus Mya but of different 

 habits. The shell is grayish-white with 

 opening at one end for the large siphon. 

 Fairly common along the South Cali- 

 fornia coast. 2 to 3" 50c 



3. Macoma secta. Con. Whole West 

 Coast. The Giant Macoma. A thin glis- 

 tening white shell with thin yellowish 

 periostracum. 2" 50c 



4. Macoma nasuta. Con. West Coast. 

 A fairly smooth white shell with brown- 

 ish periostracum. IVfe" 25c 



5. Pholadidea ovoidea, Gld. San Diego. 

 The Oval Piddock. Rounded oval at one 

 end extending downward to a rounded 

 point. White above, with blackish peri- 

 ostracum below. It is a good borer in 

 wood or rock. l x /2" 50c 



7. Sanguinolaria nuttalli. Con. Nuttall's 

 Sanguinolaria. California. A rather 

 round thin shell covered with a brilliant 

 yellowish-brown periostracum. Interior 

 a rosy-purple. 2 J /2" 75c 



8. Venerupis lamellifera. Con. Mon- 

 terey, Calif. The Laminated Rock Venus. 

 Within recent years the genus name has 

 been changed to Irus but the old name is 

 more in line with the many other species 

 of the genus. The shell is white inside. 



50c 



9. Modiola capax. Con. The Black 

 Horse Mussel. Common at San Pedro. 

 The ground color is a deep pink which is 

 covered with a thick hairy periostracum. 

 Interior mostly white. Fresh shells should 

 be wiped dry and coated with a solution 

 of white shellac or the strong coating will 

 quickly peel off in part. 2V2 to 3 Vz" 50c 



10. Apolymetis biangulata. Carp. The 

 Yellow Apolymetis (Old name was Metis 

 alta, Con.). It is a rounded oval shell, 

 wrinkled at one end and fine concentric 

 lines. White with tinge of yellow. South- 

 ern California. 2" 50c 



11. Mactra planulata. Con. The Flat 

 Mactra, Monterey southward in Califor- 

 nia. A thin yellowish-white shell shaped 

 much like nasuta. 1%" 50c 



6. Semele rubro picta. Dall. San Diego. 

 A large oval shaped shell with fine lines 

 and frequent growth marks. White tinged 

 with pink. Interior white. 1%" 50c 



12. Cryptomya californica. Con. The 

 California Shoft-shell Clam. Californ-ia 

 coast generally. A small yellowish ellipti- 

 cal shell rather thin, about 1". 25c 



