FUESllWATER CKAYFlSIIES OF AUSTRALIA. 171 



Pl. XXIII. 



Charapx quhiqueearinatus, male. | iiat. size. Sw;m Eiver, Westuni Australia. 



Pl. XXIV. 



Fig. 1. Charaps quadricarinatus, male, f iiat. si/e. From Katau, New Guinea. 



Tiioracic legs not represented. From a specimen lent by Dr. Gestro. 

 Fig. 2. Charaps intermedins, male. Nat. size. Western Australia, localit3' not 



known, 



Pl. XXV. 



Fig. 1. TliirJ ma\illii)eile of A.fraiikUiiii, 



Fig. 2. Soeond maxillipede of ditto. 



Fig. 3. First maxiliipeile of ditto. 



Fig. 4. Sofond maxilla of ditto. 



Fig. 5. Kir-it maxilla of ditto. 



Fig. 6. Mandijle of ditto. 



Pl. XXVI. 



Fig. 7. Head of J^.y)-a»A;?iMii from ventral view. To show interantennal spine and 



upper lip. 

 Fig. 8. Antenual scale of A.franMinii. 

 Fig. 9. Endopodite of first maxilla of A.franklinii. 

 Fig. 10. Termination of branchial lilament oi A.franklinii. 

 Fig. 11. Termination of coxopoditic seta, oi A.franklinii. 

 Fig. 12. Head of A. serratus from ventral view. To show interantennal spine and 



upper lip. 

 Fig. 13. Antennal scale of ^. serraUis. 

 Fig. 1-4. View of sternum of thorax from ventral surface, showing sternal keel and 



attachment of thoracic legs in A. serrafns. 

 Fig. 15. Endopodite of first maxilla of Farachifraps bicarinatus. 

 Fig. 16. Termination of branchial filament of P. bicarinatus. 

 Fig. 17. Termination of coxopoditic seta of P. bicarinatus. 

 Fig. 18. Terminal portion of the last arthrobranch of P. bicarinatus. 

 Fig. 19. Interantennal spine of P. bicarinatus. 

 Fig. 20. Antennal scale of P. bicarinatus. 

 Fig. 21. Third ma\illii)ede of P. bicarinatus. 

 Fig. 22. Second maxillipede of P. bicarinatus. 

 Fig. 23. First maxilla of P. bicarinatus. 

 Fig. 24-. Mandible of P. bicarinatus. 



Pl. XXVII. 



Fig. 25. Last arthrobranch of Cliaraps quinquecarinatus. 



Fig. 20. Termination of branchial filament from pleuroliranch of C. qninqiie- 



carinatiis. 

 Fig. 27. Interantennal spine of C. quinquecarinatus. 

 Fig. 28. Antennal scale of C. quinqnecarinatus. 

 Fig. 29. Endopodite of first maxilla of C. quinquecarinatus. 

 Fig. 30. Endopodite of first maxilla of C. tenilimanus. 

 Fig. 31. View of sternum of thorax from ventral surfaces showing sternal keel and 



attachment of thoracic legs in C. quadricarinatus. 

 Fig. 32. Third maxlilipede of C. quadricarinatus. 

 Fig. 33. Second maxillijjede of C. quadricarinattis. 

 Fig. 34. Endopodite of first maxilla of C. intermedins^ 



