Am. Jour. ScL Vol. VI, 1898. 



Plate II. 



BLOCK ISLAND. 



1# Fort Island Shell-heap. 



Z*Mott Shell-heap. 



3* Cemetery Shell-heap. 



a* Shell-heap near Cemetery. 



1># »» 



4# Sand Dune Shell-heaps. 



Sandy ft. 



Uortkliqht. 



Clay Head. 



Graces Pt. 



CresctntBeach. 



OldHariorPt. 



South East Light. 



Vz o 



Statute miles 



