REPOBT ON THE PTEEOPODA. 65 



IV. Indian Ocean Province. 



Pneumonoderma peroni, also III. and V 



V. Australasian Province. 



Pneumonoderma mediterranean, 1 also II 

 * Pneumonoderma peroni, also III. and IV. 



Clionojjsis grandis, also II. 

 *Halopsyche gaudichaudi, also VI. 



VI. West Pacific Province. 



*Halopsyche gaudichaudi, also V. 



VIII. North Pacific Province. 



*Dexiobranchwa minuta. 

 * Pneumonoderma souleyeti. 

 * Pneumonoderma pacificum. 

 *Clionopsis modesta. 

 * Notobrancheea inopinata. 



IX. South-East Pacific Province. 



Dexiobrancheea simplex. 

 Dexiobranchsea polycotyla. 

 Pneumonoderma boasi. 



X. Antarctic Province. 



*Spo7igiobranchsea australis: 



" Pneumodermon macrocotyhim," Boas. 



(zool. chall. exp. — part Lvin. — 1887.) Mmm 9 



