212 



HANDBOOK OF INVERTEBRATE ZOOLOGY. 



single-jointed endopodite is also bilobed, and carries four 

 long plumose hairs. The scaphognathite is a flattened 

 plate, with a long plumose hair at its distal end, a much 

 stouter one at its proximal end, and three smaller ones 



Fig. 108. 



Fig. 108. — Mouth-parts of the zoea shown in Fig. 105, seen from 

 below, (Drawn by W. K. Brooks from sketches by E. B. Wilson.) 



L. Labrmn. M. Mandible. Mx^. First maxilla. Mx^. Second max- 

 illa, b. Basipodite. ex. Coxopodite. en. Endopodite. p. Protopodite. 

 sc. Exopodite or scaphognathite. 



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