BUREAU OF ETUKOLOGY 



AKNUAI. KEPOKT 1881 I'L. XXI 



1. From a plate in Do Bry. 



2. From a Peruvian grave. 



3. Pecten, California grave. (}) 



4. Haliotis, CaJiforuia jrrave. (3) 



SHELL VE.SSELS. 



