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



Capulus intortus Lam. 

 Lamarck, Anim. Sans Vert., vi., pt. 2, p. 18. 



S. Thome, fairly plentiful ; W. Lidies ; Tryon also gives Mauritius, 

 Philippines, and Paumotus. 



Mitrularia equestris (L ). 

 Patella equestris Linne, Syst. Nat., ed. x., p. 780. 



S. Thome, not uncommon ; Principe, Cape Verdes and Angola 

 (Nobre). According to Tryon, it occurs throughout the China Sea, 

 Indian Ocean, W. Indies, on the west coast of Central America, and 

 in the Galapagos Is. 



Natica turtoni Smith. 

 Smith, Mar. Moll. St. Helena, P.Z.S., i8go, p. 269, pi. xxi., f. 14, 14a. 

 S. Thome, rare; St. Helena (Smith); Cape Verdes (Bouvier); 

 Bilaouak, Nouakchott, and Rufisque (Dautzenberg). 



Natica dillwyni Payr. 

 Payraudeau, Cat. Moll. Corse, p. 120, pi. 5, f. 27, 28. 



S. Thome, not common; Canaries and Madeira, abundant (Watson); 

 St. Helena and West Indies (Smith) ; Mediterranean. 



Natica (Mammilla) lactea Guilding. 

 Natica lactea Guilding, Trans. Linn. Soc, 183 1, xiii., p. 29. 

 Natica lactea Philippi in Conch. Cab., 2nd ed., p. 64, pi. x., f. 7. 



S. Thome, common ; Senegal (Dautzenberg) ; Santa Luzia, C.V. 

 (Prince de Monaco); St. Vincent, C.V. (Chalmers); Canaries; 

 Rufisque and AV. of Cape Rouge ( Dautzenberg) ; West Indies. 



Sigaretus concavus Lam. 

 Lamarck, Anim. Sans Vert., vi., 2nd part, p. 208. 

 Weinkaufif, Conch. Cab., 2nd. ed., p. 17, pi. iii., f. i — 3. 



S. Thome, fairly common ; Baies de Hann et de Rufisque (Dautzen- 

 berg) ; Dakar and Loanda (Rattray) ; Los Is., Lobito Bay, Mossa- 

 medes and Bahia de los Tigres (Dautzenberg). 



lanthina violacea Bolten. 

 Bolten, Mus. Bolt., p. 75 (1798). 

 lanthina fragilis Lamarck, Anim. Sans Vert., p. 89 (1801). 



S. Thome, common ; St. Vincent, C.V. ; Madeira and Canaries 

 (McAndrew) ; Angola (Nobre) ; Great Britain ; Brittany (Cailliaud 

 and Tasle) ; common in the Atlantic. 



Epitonium commutatum (Monts.). 

 Scalaria conwiiitata Monterosato, Ann. Mus. Civ. Genova, ix., p. 420. 



