22 THE FOSSIL ECHINOIDEA 



of the Geological Survey, from the Ranikot series of Sind were numerous and in good 

 condition. As was the case with the fossil Corals, we obtained little or no assistance 

 from the work of MM. d'Archiac and Haime 'Sur les Animaux Fossiles de I'lnde,' 

 although their types, fortunately at the Geological Society of London, were accessible. 

 The wretched state of preservation of these forms and the diagrammatic nature of their 

 illustrations have been a source of great perplexity to us. Wishing to give these 

 authors every credit, and to determine their species if possible, we have constantly 

 failed. The interesting memoir by M. de Loriol, entitled, ' Monographie des 

 Echinides contenus dans les couches Nummulitiques de I'Egypte,' and that of Dr. W. 

 Dames, of Berlin, 'Die Echiniden der vicentinischen und veronischen Tertiarabla- 

 gerungen,' have been most useful to ns indirectly as well as positively. It will be 

 found that the fauna of this Ranikot series is a veiy remarkable one, and that it is as 

 isolated as that described from Egypt by de Loriol. 



II. List of the Fossil Echinoidea from the Ranikot Series. 



Order ECHINOIDEA ENDOCYCLICA. 



Family CIDARID^. 



Genus Cidakis, Klein, 1734. 



Cidaris Verneuili, d'Archiac : p. 26. 

 sp. : p. 2o. 



Subgenus PffYLLACAifTHrs, Brandt, 1835. 



Phyllacanthus Eanikoti, Duncan Sf Sladen : p. 27. 



Sindensis, Duncan Sf Sladen : p. 27. 



sp. : p. 28. 



Genus Poeocidabis, Desor, 1854. 

 Porocidaris, sp. ? (spine) . 



Family SALENIADJE. 



Genus Salenia, Gray, 1835. 

 Salenia Blanfordi, Dutwan ^ Sladen : p. 29. 



FamUy GLTPHOSTOMATA. 

 Subfamily Diadematidje. 



Genus Ciphosoma, Agassiz, 1840. 



Cyphosoma abuormale, Duncan 6f Sladen : p. 32. 

 sp. : p. 33. 



