104 



29. Paratelphusa (Phricotelphusa), sp. prox. callianira (a). 



This species resembles callianira in every particular except the following : — 



Under a lens the surface is not only pitted, but also very finely and 

 copiously reticulated and granulous. 



The wings of the cervical groove are even shallower and vaguer. 



The epigastric and post-orbital crests are not so distinct ; the former are 

 less in advance of the latter; and the latter end as distinct crests near the 

 middle line of the orbit. 



[In the male abdomen the length of the 6th segment only equals its distal 

 breadth, and the 7th segment is only as long as broad ; but the single specimen 

 is not adult, so that this difference is of no account.] 



The exopodite of the external maxillipeds does not reach quite to the end 

 of the ischium. 



In the smaller cheliped the palm is covered with small vesiculous granules 

 and the fingers are elegantly fluted with lines of somewhat similar granules. 

 The larger cheliped is missing. 



The only specimen in the collection is an immature male with a carapace 

 f'yths inch long and +iths inch broad. 



.3117 



■ Egaye, Tavoy. Museum Collector. 1 i . 



y 



I do not care to name the species from a single specimen, especially as I 

 have not a good series of callianira for comparison. 



30. Paratelphusa (Phricotelphusa), sp. prox. callianira (b). 



5443 



Jungle Stream, Dawna Hills, Lower Burma; collected bv Dr N. 



10 "^ 



Annandale. Four young individuals resembling the above, but having the 

 greater part of the carapace crisply granulous. The epigastric and post-orbital 

 crests are as distinct and sharp as in callianira, but have the same disposition 

 as in the Tavoy form just described. 



31. Paratelphusa (Phricotelphusa) elegans, de Man. (Fig. 63.) 



Potamon, n. sp., de Man, Ann. Mus., Genov. (2), XIX., p. 412 {Potamon eUgaiu, p. 416), pi. v., fig. 8. 

 Potamon {Potamon) elegatin, Mary J. Rathbun, Nouv. Archiv. du Museum (4), VI., 3904, p. 304. 



This species agrees in all main points with callianira, differing only in the 

 following particulars : — 



The distal part of the front is vertically deflexed, and this deflexed portion 

 forms a distinct facet separated from the rest of the frontal region by a 

 transverse ridge. 



