14 



4. BURMA TERRITORY. 

 (Upper Burma, Arakan, Pegu, Tenasserim.) 



16. Potamon (Geotelphnsd) adiatretum. 



17. Potamon (^Acnntholelphusd) daijanum. 



18. „ „ wood-masoni. 



19. „ „ crcmdifemm. 



20. „ „ „ var.floccoxHm. 



21. Potamon {Acantkotelpkusn) cahnim. 



22. „ „ feet. 



23. Paralelphiisa sinensis. 



24. Paratelphnsa gi'ayi. 



25. Paratelphusa {Phricolelphusa) calliamra. 



26. „ „ „ varieties. 



27. „ „ elegans. 



28. „ „ carimfera. 



29. Paratelpliusa (^Liotelphnsa) sp. prox. /wvis. 



5a. PENINSULAR PROVINCE— MAIN AREA. 

 (The Peninsula east of the Western Ghauts.) 

 1. Potamon {Geoielphusa^ enode. 5. Paratelphusa {Barytelphusa^ giierini, var. 



2. Paratelphusa (Barytelphnsa^ Jacquemo7itii 



( = "Telphusa indica," Edw.). 



3. Paratelphusa {Barytelphtisd) cunicularis. 



4. „ ,, suerini. 



pocockiana. 

 6. Paratelphusa [Oziotelphusa') liijdrodromus. 

 I. „ „ bouvien. 



8. Paratelphusa (^Liotelphusa) auslrina. 



rib. PENINSULAR PROVINCE— MALABAR ZONE. 



(Western Ghauts from the Tapti to S. Travancore.) 

 No species of Potamon occurs in this zone. 



1 . Paratelphusa (Bari/telphusa^Jacijue?no7itii. 



2. „ „ cunicularis, and 



dwarf var. 



3. „ ,, lameltifrons. 



4. „ „ pulvi?iata. 



5. „ „ guerini. 



6. „ „ „ var. planata. 



7. „ „ poUica/is. 



8. Paratelphusa (Oziotelphusa) hi/drodromvs. 



9- ); J) „ var. 



10. Paratelphusa (Globitelphusa) pilosipes. 

 11- J, „ gubernaloris. 



12. „ „ fronto. 



1 3. Gecarcinucus jacqtiemonlii. 



14. Gecarcinucus edwardsi. 



1 5. Gecarcinucus {Cylindrotelpkusa) steniops. 



6. INDO-GANGETIC PLAIN. 



(From Sind to the Brahmaputra.) 



[1. Potamonjluviatile, var. ibericum (in Jhelum 

 valley at 2000 feet).] 



2. Potamon (Acanthotelphusa^ 7nartensi. 



3. „ „ irood-7/iasoni. 



4. Pa7-aielphusa spinigei-a. 



5. Paratelphusa (Bari/lelphusa) masonia7ia. 



6. Paratelphusa (Oziotelphusa') hydrodro7nus. 



1. Paratelphusa (Barytelphusa) jacque77i07itii 

 (at Morar and Hardwar). 



8. Paraielphxisa (Barytelphusa) pocockiana (at 

 Chunar). 



9. Paratelphusa (Ph7-icotelphiisa) ca77ipestris 

 (one specimen found near Calcutta). 



I must not conclude this inti'oduction without duly acknowledging my 

 obligations to Miss Mary J. Eathbun's great monograph, "Les Crabes d'eau 



