ISfifi.] MR. SCLATER ON THE AMERICAN CAPRIMULGID.E. \39 



a Inner webs of outer pair of rectrices of male white, with a 



single narrow black cross bar (fig. 9) « cayaneim*. 



b. Inner webs of outer pair of rectrices of male black, with a broad 

 terminal and narrow medial bar white. 



a' Larger ; collar above fulvous ; no white basal bar 



on inner web of outer rectrix (fig «$("/ S. bifasciata. 



b'. Smaller ; collar above rufous ; a narrow white basal 



bar on inner web of outer rectrix (fig. %i) 8. ruficervix. 



[)<r) 



Fig. 11. 



Fig. 10. 



Fig. 9. 



■i 



<v^ 



\ H 



. - 



&i 



