PLATE XII. 



Fig. I. Uca §alapage>isis {y^iyi). 



2. '• " inner view of large chela (X i/^) • 



3. Uca heller i, type (X 3)- 



4. " " from Black Bight, inner view of large chela (X 3)- 



5. Platypodia gemmata {Y.T,). 



6. " " wrist and chela (X 3)- 



7. Leptodius siiodgrasst {y^ i/^)- 



8. " •' larger chela (X i/^)- 



9. Pilumnoides pusilhts (X7)- 



10. " " larger chela (X 7)- 



11. Portunus {Acheloics) stanfordi {y^ i/^)- 



12. Podochela margaritaria (X^). 



13. Parapejicetis kis/iinouyei vo^tvnm (X^^). 



lA, " " petasma, much enlarged, 



i^. " " thelycum, " " 



(392) 



