EXPLANATION OF PLATES XVI.— XIX. 



Fig. 



Valve w 

 Hai'pp t 



10. 

 U. 

 12. 

 1:5. 

 1-1. 

 1.5. 

 l(i. 

 17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 2.5. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31. 

 32. 

 33. 

 34. 

 3.5. 

 30. 



rL.\TE XVI. 

 th liarpp of P. ripijens ormeiivs from Dorev. 



„ ,, ,, „ Sattelherg, near Finschhafen. 



P. aegeus aer/ens from r'airus. 



,, „ .. ,, Cedar Kay, 30 miles south of 



Cooktowii. 

 ,. „ „ „ Queensland. 



.. „ „ ,. X. S. \\'ales. 



P. inopiiKdiis from the Tenimlvr Island-:. 

 Valve with liarpe of 7^. tf/daix from Halmaheira. 

 Harpe of ,, „ „ 



•. ,. ,, ,, Batjan. 



,, „ Halmaheira. 



^'alve with harpe of ]'. poh/fefi pn/i/tcn from Kumaon. 

 Harpe of 



.. .. „ ,, „ ,, Bankipore. 



» >. ,, „ „ ,, Basseiu, Burma. 



,, .. „ „ „ „ Loo C'hoo Islands. 



„ „ „ „ Bunguran, Natuna Islands. 



P. polytes nikoharna from the Andaman Islands. 

 P. polt/tes ihesetis from the Kina Balu, N. Borneo. 

 „ „ .lava. 



• I .. ,. „ ., ., Dili, Timor, 



^'alve with harjie of P. polytes (ilphenw from Mindoro. 

 Harpe of „ 



„ ,. „ „ .. ,, Mangiola, Sulla Islands. 



,, ,, P. polytes alcindm' from Tombugu, K. Celebes. 

 ., P. polytes pei'versus ,, Talaul. 

 „ P. polytes nieano^' ., Halmaheira. 



5» )' 



