MUSSELS OP BIG BUFFALO PORK OP WHITE RIVER. 11 



lected in sacks and opened on the bank. About 5 bushels of shells 

 had been taken. 



Shells found at station 18 : Red niggerhead, Quadrula tuherculata^ 

 abundant; white niggerhead, Q. coccinea, scarce; cob shell, rabbit's 

 foot, Q. cylindrica, common; rock mussel, washboard, Q. undulata, 

 very abundant; U^iio gihhosvs, scarce; sand mussel, Symphynota cos- 

 tata, abundant; fantail, Tritogonia tuherculata^ scarce; red shell, 

 Lampsilis purpuratus^ scarce ; spectacle case, L. rectus^ scarce ; green 

 mugget, red mugget, grass mucket, L. ligamentinus, abundant. 



Station 19. — August 3. Below station 18 for a mile or two were a 

 few small beds which had recently been worked by pearl hunters. 

 In all of these there was probably not more than a bushel of open 

 shells. 



Shells found at station 19 : Red niggerhead, Quadrula tuberculata.^ 

 very abundant ; cob shell, rabbifs foot, Q. cylindrica^ common ; rock 

 mussel, washboard, Q. umhdata^ abundant; Unio gihhosiis, scarce; 

 sand mussel, Symphyiiota costata^ scarce ; young fantail^ Cyprogenia 

 aherti^ scarce; fantail, Tritogonia tuherculata., scarce; Lampsilis 

 ozarkensis ; green mugget, red mugget, grass mucket, L. ligamentinus. 



Station 20. — August 3. About 6 miles below camp L and near the 

 Jack Pot mine a small bed of shells was observed. About 1 bushel 

 had been recently opened by pearl hunters. From these and a few 

 live ones found a collection was made. 



Shells found at station 20 : Red niggerhead, Quadrula tuherculata, 

 scarce ; rock mussel, washboard, Q. undulata^ common ; fantail, Trito- 

 gonia tuherculata., scarce; red shell, Lampsilis purpuratus., scarce; 

 L. osarkensis, scarce; spectacle case, L. rectus, scarce; green mugget, 

 red mugget, grass mucket, L. ligamentinus, common. 



Station 21. — August 4. About 1 mile below camp M were two beds 

 of mussels. These had within a day or two been worked by pearl 

 hunters, the shells being opened on the bank. Not more than 2 or 3 

 bushels had been taken from both of these beds, which were on the 

 outer curve of the river and among more rocks than usual. 



Shells found at station 21: Red niggerhead, Quadrula tuherculata, 

 abundant ; white niggerhead, Q. coccinea, scarce ; cob shell, rabbit's 

 foot, Q. cylindrica, common; rock mussel, washboard, Q. undulata, 

 abundant; Unio gihhosus, scarce; sand mussel, Symphynota costata, 

 scarce; StropMtus edentulus; fantail, Tritogonia tuberculata, scarce; 

 spectacle case, Lampsilis rectus, scarce; green mugget, red mugget, 

 grass mucket, L. ligamentinus, common; butterfly, L. ventricosus, 

 scarce. 



Station 22. — August 4. About 5 miles below camp M a bed similar 

 to the above was found and from it a collection was made. 



Shells found at station 22 : Red niggerhead, Quadrula tuherctdata, 

 common; cob shell, rabbit's foot, Q. cylindrica; Unio gihhosus, scarce; 

 sand mussel, Symphynota costata, scarce; fantail, Tritogonia tuber- 



