28 Transactions of the South African Philosophical Society. 



DOEIDIID^E. 



E. Bergh, Die Gruppe der Doridiiden. Mittheil. aus der zool. 

 Station zu Neapel, xi., 1893, pp. 107-135, taf. 8.— Die 

 Opisthobranchien. Eeport on — Albatross, xiii., 1894, pp. 205- 

 222, taf. x.-xii.— Malacol. Unters. v. 1901, pp. 177-181, 

 303-307, taf. xxv. 



Eliot, On Doridiidee. Proc. Malacolog. Soc, v., 1903, pp. 331-337, 

 pi. xiii. 



E. Bergh, Die Opisthobranchiata der Siboga Expedition, 1905, 

 pp. 42-46. 



This group of rather pregnant exterior contains two not very 

 different genera. 



I. Doridium, Meckel. 

 E. Bergh, I.e., 1893, p. 109.— 1894, p. 209. 



1. Dorid. tricolor atum (Eenier). 



M. Mediterr. 



2. D. delictum (Eenier). 



M . mediterr. ? 



3. D. punctihicens, B. 



M. Antillense. 



4. D. purpureum, B. 



M. pacific. 



5. D. cylindricum (Cheeseman). 



M. pacific. 



6. D. ocelligerum, B. 



M. pacific. 



7. D. diomedeum, B. 



M. pacific. 



8. D. lineolatum, (H. & A. Adams) B.* 



M. pacific. 



9. D. cyaneum, v. Martens. 



M. africano-indic. 



10. D. pilsbryi, Eliot. 



M. pacific. 



11. D. capense, B. 



M. pacific. 



* R. Bergh, Gaster. opisthobranchiata, 1902. The Dan. Exped. to Siam, 

 pp. 17-18, pi. ii., fig. 12. 



