. 

 252 Panama Shells. MYTILID.E. 



Station. Unknown. 



Habitat. Panama ; C. B. A. ! 



A few dead shells were found in several places near Panama, 

 and fine specimens were procured at the fruit shanty. 35 spe- 

 cimens were obtained. 



400. Modiola . Sp. indet. a. 



Station. In the crevices of rocks, between half tide and low 

 water mark. 



Habitat. Panama and Taboga : C. B. A. ! 

 6 specimens were obtained. 



401. Modiola . Sp. indet b. 



Station. In the crevices of rocks, between half tide and low 

 water mark. 



Habitat. Taboga ; C. B. A. 1 

 35 specimens were collected. 



402. JVIodiola . Sp. indet. c. 



Station. Unknown. 



Habitat. Panama ; C. B. A. ! 

 4 specimens were obtained. 



403. Modiola . Sp. indet. d. 



Station. Unknown . 



Habitat. Panama ; C. B. A. ! 

 2 specimens were found. 



404. Modiola . Sp. indet. e. 



Station. In soft, partly calcareous stones, not far from half 

 tide level. 



