THREE STUDYS OF:

DARWIN FINCHES in the Galapagos Archipelago by RUBINOFF 

ONE 

On predicting insular variations in endemism and sympatry for the Darwin Finches in the Galapagos Archipelago

Reprint from The American Naturalist, Vol. 101 No.918 March - April 1967  pp 161-172

TWO 

On models predicting abundance of species and endemics for Darwin Finches in the Galapagos Archipelago

reprint from evolution , Vol.18, No. 2, June 12, 1964  pp. 339-342

THREE

Isolation, Endemism, and multiplication of species in Darwin Finches

reprint from evolution , Vol.17, No. 4, December 24, 1963  pp. 388-403