146 ENID.^ 



1855. Oleacina {Azeca) Iridcns, Pultn. : H. & A. Adams, 



Genera Mull, ii, p. 107. 

 ,Q-p j Bulimus {Azeca) Menkeanus, C. Pfeiff. : Moquin-Tan- 

 -r '- DON, Hist. Moll. France, ii, p. 302, pi. xxii, 



•^ ''*''• [ f. 7-14. 



1856,) Achatina (Azeca) tridens : Pfeiffer, Malak. Bldlt., ii, 

 Dec. / p. 170. 



1857. Azeca tridens, Pult. : Gray, Turton's Manual, new ed., 



p. 157, f. 42, pi. V, f. 52. 



1858. Azecastriim tridens : Bourguign.\t, Rev. & Mag. Zool., 



Ser. II, torn, x, p. 527. {Amen. Malac., ii, 

 p. 87.) 

 1860. Cionella {Azeca) Menheana, C. Pfeiffer : Martens, in 

 Albers, Heliceen, ed. 2, p. 257. 



1862. Cochlicopa tridens, Pulteney : Jeffreys, Brit. Conch., i, 



p. 290; V, pi. xviii, f. 1. 



1863. Azeca tridens, Pulteney : Reeve, L. & F.-W. Moll. 



Brit. Is., p. 95, figs. 

 1876. Cochlicopa {Azeca) Menheana, C. Pfeiffer : Clessin, 



Deufsch. Excur. Moll. Fauna, p. 185, f. 103. 

 1887. Cionella (Azeca) tridens, Pult. : Westerlund, Fauna 



Paldarct. Region, iii, p. 148. 

 1897. Azeca elongata, n. sp. : Taylor, Naturalist, 1897, p. 75, 



fig. [An abnormality.] 

 1908. Azeca menkeana (C. Pfr.) : Pilsbry, Journ. of Conch., 



xii, p. 138. 

 1913. Azeca Nouleti : Germain, Moll. France, ii, p. 211. 



[Germain (Moll. France, ii, pp. 211 & 212) cites as 



synonyms or varieties : — Azeca Mabillei, Fagot ; 



A. alzenensis, Saint-Simon; and A. trigonostoma, 



Bourg. in Fagot.] 

 First recorded, as British in 1799, by R. Pulteney, as 



Turbo tridens, Miill. (See ref. above.) 

 British Distribution in Time : Pleistocene to Recent. 



Fam. : ENID^E. 



Genus : 1. ENA, Loach. 



Etym. : — Doubtful. Herrmannsen hazards Gr. eros, a year ! 

 Type : — Bidimus montanus, Draparnaud. 

 (Helix, Turbo, Bulimus, vett. auctt.) 



1819. Ena, Prideaux MSS. : Leach, Moll. Brit. Synop. (proofs), 



p. 111. 



1820. Bulinus [pars]: Studer, Nafurw. Aiiz. Schweiz. Gesell, 



iii, p. 88. [Non Muller, 1781 (Physa).] 



