Nudibranchiate Gasteropoda. 



By 



R. Bergh. 



Upon the whole and according to the experiences of deep-sea explorations, we can scarcely expect 

 any considerable result as to nudibranchiate gasteropoda, nor has such a result been obtained 

 by the Ingolf-Expedition, but it has as a compensation brought to light several very remarkable and 

 parti)- quite new forms. 



The complete result was the following forms: 



Nudibranchiata holohepatica. 



i. L, a in e 1 1 i d o r i s muricata (O. F. Muller). 



2. Cadlina repauda (A. et H.). 



3. Aldisa zetlandica (A. et H.). 



4. Bathydoris Ingolfiana, Bgh. n. sp. 



5. D o r i d o x a Ingolfiana, Bgh. n. sp. 



Nudibranchiata cladohepatica. 



6. Candiella Ingolfiana, Bgh. 11. sp. 



7. At t hi la Ingolfiana, Bgh. n. sp. 



8. Dendronotus robustus, Verrill. 



9. D. arborescens (O. F. Muller). 



10. Coryphella sp. 



11. Cor. sp. 



12. C. salmonacea (Couth.). 



13. Gonieolis intermedia, Bgh. n. sp. 



14. Gon. atypiea, Bgh. n. sp. 



15. Amphoriua Alberti, Quatrefages. 



16. Gal viu a sp. 



The nudibranchiate gasteropoda form two large groups: the holohepatic and the cladohepatic 

 nudibranchiata. They are chiefly and most generally distinguished by the structure of the liver, the 

 blood-gland, and the seminal vesicle. 



The Ingolf-Expedition. II. 3. I 



