131 



REPORT UPON A COLLECTION OF NUDIBRANCHIATA FROM THE 

 CAPE VERB ISLANDS, WITH NOTES BY C. CROSSLAND. 



By Sir C. N. E. Eliot, K.C.M.G. 



Read llth May, 1906. 



PLATE XIV. 



The collection of Nudibranchs which forms the subject of the 

 present paper was made by Mr. Crossland in the Cape Verd Islands 

 (St. Vincent, St. Jago, and Boa Vista) during the Summer of 1904. 

 His notes on the living animals are in most cases reproduced verbatim, 

 but have not had the advantage of his revision, as he is absent in the 

 Sudan, and he is not responsible for the anatomical notes, nomenclature, 

 or views contained in the following pages. 



The new forms discovered by Mr. Crossland are neither very 

 striking nor very certain, and the interest of the collection lies mainly 

 in the light which it throws on the distribution of this group of 

 Mollusca, and on the differences between the fauna of the tropical 

 Atlantic and the tropical Pacific. A list of the species, as far as they 

 can be determined, is given below, but the identification has often 

 been a matter of difficulty, as nearly all the specimens are small and 

 inconspicuous. This may mean that they are immature. If the 

 animals spawn in the Spring, half- grown individuals would be 

 frequent at the time that Mr. Crossland collected. On the other 

 hand, an examination of the Nudibranchs collected by myself in 

 Samoa, and by Mr. Stanley Gardiner in the Maldive and Laccadive 

 Islands, suggests that specimens from small islands, which have never 

 been connected with the mainland, are not as large as those found on 

 the shores of the mainland and its adjacent islands. 

 LIST OF SPECIES. 

 Name. Previously recorded from. 



1 . Tritonia moesta, Bergh, \'a.r.pallescem, n.var. Mediterranean. 



2. Staurodoris att/pica, n.sT^. ... ... ... Allied species from Mediterranean 



and West Atlantic. 



3. Discodoris indecora, Bergh ... ... ... Trieste. 



4. Discodoris muta, Bergh Guadaloupe. 



5. Discodoris sp. 



6. Geitodoris reticulata, n.s]). ... ... ... Allied species from Plymouth. 



7. Peltodoris sp. 



8. Rostnnga Evansi, n.sp. 



9. Cadlina Olar(e,vonlheYi\xg Naples. 



10. Ghromodoris gracilts [DeWe Chmje) Mediterranean. 



\\. Doridopsis grandiJlora,]\iv. {B.9,T^-^) Mediterranean. 



12. Doriopsilla Felseneeri {?), D. areolata{?) ... South Portugal, west coast of 



Africa, Mediterranean. 



13. Plocamopherus Madera (Lowe) ... ... Madeira. 



14. Doto obscura, n sp. 



lb. Diito cinerea,TxiTichese Mediterranean. 



16. Spurilla neapolitana (QeWe Ch\2iie) ... Mediterranean. 



17. Amphorina pallida, n.sp. 



18. Phidiana longicirrha, n.sp. 



\9. Facelina Drtcmmondi {Thom^aou) British and Scandinavian waters. 



20. Favorinus earneus^ {k. k Jl.) South England. 



21. Favor itius sp. 



