24 MANUAL OF THE MOLLUSCA. 



PLATE XXIV. 



(Tunicated Mollusca described in the Supplement.) 



Ascidiada. 



1. Molgula tubulosa, Rathke. N. Brit. 



2. Cynthia papillosa, Brng. sp. ^. Medit. 



3. Pelonrca glabra, Forbes, f. N. Brit, 



4. Chelyosoma Macleayanum, Brod. . Greenland. 



5. Boltenia pedunculata, M. Edw. -+$. New Zealand. 



Clavellinidce. 



6. Clavellina lepadiformis, O. F. Miill. North Sea. 



7. Perophora Listen, Wiegm. f . Brit. 



8. Botryllus violaceus, M. Edw. f. France. 



9.*Botrylloides rotifera, M. Edw. France, N. Coast. 

 10.*Didemnium gelatinosnm, M. Edw. France. 

 ll.*Euco3lium hospitiokto, Sav. Medit. 

 12.*Distomus fuscus, M. Edw. France. 



13. Diazona violacea, Sav. . Ivica, Medit. 



14. Aplidium lobatum, Sav. \. Gulf of Suez. 



15. Polyclinum constellatum, Sav. Red Sea. 



16. Parascidium flavum, M. Edw. |. France. 

 17.*Amorcecium argas, M. Edw. France. 



18. -- proliferura, M. Edw. (larva). France. 



19. Syncecium turgens, Phipps. . Spitzbergen. 



20. Sigillina australis, Sav. ^. Australia. 



Pyrosomida. 



21. Pyrosoma giganteum, Lesueur, . Atlantic. Medit. 



SaJpida, 



22. Salpa maxima, Forsk. 5. Medit. Atlantic. 



23. Doliolum denticulatum, Q. and G. -f-. New Zealand, 



24. Appendicularia flabellum, Chamisso. f . New Guinea. 



* Magnified figures of zoi'ds separated from the common mass. 





