248 JOURNAL OF CONCHOLOGY, VOL. I4, NO. 8, OCTOBER, I914. 



Cypraea lurida L. 



Linne, Syst, Nat., ed. x., p. 720. 



S. Thome, common ; Ascension, Azores, Canaries, and S. Helena 

 (Smith) ; Cape Verdes, common (Bouvier) ; Angola (Welwitsch) ; 

 Gaboon (Le Chatelier) ; Annobon (Dunker) ; Mediterranean. 



The S. Thome examples are invariably small and very dark in colour. 



Cypraea spurca L. 



Linne, Syst. Nat., ed. xii., p. 1179. 



S. Thome, fairly common ; Angola (Nobre) ; Annobon (Dunker) ; 

 Canaries (d'Orbigny, McAndrew) ; Azores, Ascension, and S. Helena 

 (Smith) ; St. Vincent, C. V. ; Mediterranean ; West Indies ; Pernam- 

 buco (Ball). 



Trivia candidula Gaskoin. 

 Gaskoin, P.Z.S., 1835, P- 200. 

 Tryon, Man. Conch., vii., p. 203, pi. xxii., f. 33, 34. 



S. Thome, not common ; Cape Verdes, Canaries, and Madeira ; 

 Portugal to Mediterranean and Senegal ; S. Helena (Smith) ; Mexico 

 (Roberts in Tryon). 



Erato prayensis Roch. 

 Rochebrune, BullSoc. Philom., i88r, vol. vi., p. 30 ; id., Nouv. Archiv. 



Mus., t88i, vol. iv., p. 294, pi. 17, f. i6a, b. 

 Smith, Proc. Malac. Soc, vol. ix., p. 14. 



S. Thome, abundant ; Porto Praya, C.V. 



Compared with JE. maugercB Gray, this species seems to be more 

 finely and numerously denticled within the outer lip. 



Cymatium costatum (Born). 

 Murex costatus Born, Mus. Caes. Vindob., p. 297. 



S. Thome, a few immature specimens ; Madeira ; Cape Verdes ; 

 S. Helena ; Mediterranean to the Cape ; West Indies ; Indian and 

 Pacific Oceans. 



Yo\ the distribution in greater detail cf. Lischke Jap. Meeres 

 Conch., pt. i., p. 48. 



Bursa pustulosa (Rve.). 



Ranella pustulosa Reeve, P.Z.S., 1844, p. 137; id.. Conch. Icon., pi. 3, 



f. iia, b. 



S. Thome, common ; Cape Verdes (Rattray and Bouvier) ; S. 

 Helena and Ascension (Smith) ; near Banana (Dautzenberg). Smithi 

 unites this species with caelata Brod. from Panama. 



I P.Z.S., 1890, p. 26S. 



