Prof. T. Rupert Jones — On the Palceozoic Phyllopoda. 461 



a new Pbyllocaridal genus from the Stage F, f 2, in Bohemia, as 

 Ptychocaris, with two species Pt. simplex and Pt. parvula, character- 

 ized by a strong and obliquely longitudinal ridge or sharp fold on 

 each valve, and by an anterior group of three small nodules, an 

 ocular tubercle behind them, and some larger but less distinct 



Species of 

 Ceratiocaris, 

 Physocaris, 

 Xiphocaris, 



and 

 Emmelezoe. 



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1. Ceratiocaris lepto- 



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Freshwatei 

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6. C. canaliculata 



7. ft Ha/liana 



8. G. Pardoeana 



10. G. robusta 



11. ft lata 



12. C. angusta 











17. G. Salteriana 













24. ft inornata 



25. G. Ruthveniana 



27. C. gobiifurmis 



29. G. ? lata 



30. G. ? ixsperata 



31. C. ?sp 



32. Physocaris vesica ... 



33. Xiphocaris ensis ... 



34. Emmelezoe elliptica 



35. E. tenuistriata 



37. E. Maccoyiana 



