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FiGUEE 134.— Geographic distribution of Protoopatina, subgeneric group VII. 



slenderly oval. The two species seem to form a natural group, 

 P. xyster Metcalf, in Gastrophryne, from Central America may also 

 belong here. 



Protoopalina, Subgeneric Group VIII {Group 9 of Metcalf, 192Sa) (fig. 135) 



P. formosae Metcalf, in Bufo, Formosa. 



P. quadrinucleata Metcalf, in Rana, Java. 



P. axonucleata Metcalf, in Rana and Bufo, eastern Asia. 



Figure 135.— Geographic distribution of Protoopalina, subgeneric group VIII. 



