Bull. U S. B. F., 1909. 



Plate XXXVI. 



Fiji. .. 



Ex. 



,End 





Fig. 4, 



Fig. I. — Left first maxilla of adult, from inner side. 



Fig. 2 . — Left second maxilla. Ex, Ep, exopodital and epipodital divisions of respiratory fan or scaphognathite. 



r, 2, partially divided plates of protopodite modified for mastication. 

 Fig. 3. — First maxilliped. /if, fold of epipodite, which forms trough in which inner blade of fan (fig. ^^, Ep) w^orks. 

 Fig. 4. — Left second maxilliped, showing fused third joint (i) and rudimentary podobranch. 

 Fig. 5 — Left third maxilliped, illustrating type of primitive two-branched limb, with functional podobranch. 



but fused third joint (x), and Comb and cleaning brushes of third and following segments. 

 Figs. 5, a and 5, b. — Transverse sectional views of three-sided meros and ischium, to show comb and brush, in 



planes indicated. In preceding and following plates. End represents the permanent inner branch of the limb; 



Ex, the outer branch or exopodite; Pro, the protopodite; ep, the epipodite; and Pbr. the podobranch. See 



legend of figure 7, plate xxxv. 



