SYSTEMATIC INDEX. 



Page 



Vioa 



45. schmidti, Hidley 622 



46. transitoria, sp. n 623 



47. punctulata, sp. n 623 



Tethya 



48. cliftoni, Bowerb 624 



Tetilla 



49. dactyloidea, Carter .... 625 

 Erylus 



50. cylindrigerus, sp. n 626 



Stelletta 



61. aoervus, JBowerb 627 



Page 



52. purpurea, var. parvi- 



steUa 627 



Leucetta 



53. primigenia, var. megalir- 



rhaphis, Hdekel 628 



Leucaltis 



54. bathybia, Hdchel, var. 



mascarenica 628 



Leucortia 



56. anguinea, sp. n 629 



Leuconia 



56. echinata, Schuffner .... 630 



