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



Fossarus ambiguus (L.). 

 Helix atnbigua Linne, Syst. Nat., ed. xii., p. 1251. 



S. Thome, not uncommon ; Boulbine, Mossamedes, Praya Amelia 

 (Dautzenberg) ; S. Helena (Smith); Canaries, Cape Verdes, and 

 Azores (SmithJ ; Mediterranean to Mogador (McAndrew). 



Fossarus (Phasianema) sulcosus (Brocchi). 

 Nerita sulcosa Brocchi, Conch. Foss. Subap., ii., p. 298, pi. i, f. 3. 



S. Thome, two living specimens embedded in mud on Spondylus 

 valves ; Cansado and Pointe du Repos (Dautzenberg). 



Originally described as a Miocene and Pliocene fossil. 



One of our examples measures 15 mm. by 11 mm. 



Architectonica architae (Costa). 

 O. G. Costa, Cat. Test. Viv. nel Golfo di Taranto in Atti dell' Ace. 



delle Scienze, vol. iii., p. 40, n. 15 (1830). 



S. Thome, rare ; Taranto, Naples, and Palermo (Monterosato) ; 

 Malaga (McAndrew) ; Tripoli and Tunis ; S. Helena (Smith). 



Architectonica nobilis Bolten. 

 Bolten, Mus. Bolt., p. 78 (based on Chem., vol. 5, pi. 1695-6). 

 S. Thome, scarce ; St. Vincent, C. V. ; West Indies. 

 Torinia malani Dautzenberg. 

 Dautzenberg, Contrib. Faune Afr. Occ, I., p. 80, pi. ii., f. 15 — 17. 

 S. Thome, one specimen ; Rufisque (Dautzenberg). 



Pseudomalaxis macandrewi Iredale. 

 Iredale, Proc. Make. Soc, vol. ix., p. 254. 



S. Thome, rare ; Madeira, very common (Watson) ; Los Is. 

 (Dautzenberg) ; Mediterranean. 



Iredale (loc. cit.) has satisfactorily worked out the nomenclature of 

 this species, and has established its distinctness from Bifrontia zan- 

 claea Phil, a point asserted by Monterosato in Conch, d. Prof. 

 Palermo, p. 16, 



Alaba culliereti (Dautzenberg). 

 Psejidobiliiufji culliereti Dautzenberg, Mem. Soc. Zool. de France, p. 



20, pi. ii., f. 2a — c. 



S. Thome, common on the shore, dead ; Senegal, between Dakar 

 and Goree at a depth of fifteen metres (Chevreux). 



In ^Contrib. Faune Malac. Afr. Occ. I., p. 81, Dautzenberg sinks 

 his genus Pseiidobittium, established for this species, as a synonym 

 of Alaba. 



J Actes Soc. Linn, de Bordeaux, 1910, 



