24 



BRITISH SPONGIAD^. 



Desmacidon (continued) 



7. copiosuB, £ow 



8. oavernula, Bow 



9. rotalis, £ow 



10. similaris, £ow 



11. 8egagropMlus(ScoMZer) 

 12. columella, Bow 



Raphtktjs. 

 1. Griffithsii, Bow. 



DiPLODEMIA. 



1. vesioula, Bow. . . 



Spongionella. 

 1. pulchella (Sowerhy) . 



Ohalina. 



1 . oculata (Pallas) .... 



2. cervioomis (Pallas). 



3. Montagui (Mem.') .... 



4. Kemingii, Bow, 



5. gracilenta, Boio. 



6. limbata (Mordagu) . 



7. Grantii, Bow 



8. inornata, Bow 



Ophlitasponcha. 



1. papilla, Bow 



2. seriata (Grant)... 



Vbeonqia. 

 1. Zetlandica, Bow. 



Ptsidba. 



1. fragilis (Montagu) 



2. ooriacea. Bow 



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