234 



between the sponge fauna of South Africa and Austri- a. The 

 following is a list of the species : — 



Older MONAXONIDA 



Sub-Order HADROMERINA. 



Section I. CLAVULIDA. 

 Family PlacospongidaB. 



Placospoagia labyrintMca, sp. n. 



Family SpirastrellidsB. 



Latrunculia natalensis, sp. n. 



Kalastrella vasiformis, gen. et sp. n. 



Kalast.rella vasiformis, var. minor, var. nov. 



Section 11. ACICULIDA. 

 Family CoppatiidaB. 



Coppatias baculifer, sp. n. 



Family Tethyidae. 



Tethya magna, sp. n. 

 Traehya nuda, sp. n. 



Sub-Order HALICHONDRINA. 



Family AxinellidaB. 



Hymeniacidon callculatum, sp. n. 



Hymeniacidon oaliculatum, var. osculatum, var. nov. 



Phakellia microxephora, sp. n. 



TragOBia infundibuliformis (Johnston), var natalensis, var. nov. 



Axinella, sp. 



Axinella, sp. 



Syringella gorgonioides, sp. n. 



Axinyssa tethyoides, sp. n. 



Sigmaxinella arborea, sp. n. 



Sigmaxinella incrustans, sp. n. 



Higginsia bidentifera (Ridley and Dendy). 



Sollasella hystrix (Topsent). 



