234 



LEUCOCHROA. 



Two sections are recognized, Leucochroa, with the lip simple, 

 type candidissima, and Sphincter ochila Anc., with the mouth angu- 

 lar, much contracted by an inward thickening of the lip, and a bifid 

 nodule in the posterior angle. 



Section Leucochroa Beck. 



L. candidissima Drap., iii, 10. 



/. rimosa C. & J. 



v. hierochuntina Boiss. 



v. sardoa Malz., viii, 55. 



sarda Kob., on pi. 

 L. isserica Kob., viii, 57. 

 L. bsetica Rossm., iii, 11. 



v. alexandrina Fag., iii, 11. 



v. tunetana Let. & Bgt. 

 L. otthiana Fbs., iii, 11. 



v. thayaca Bgt., iii, 11. 



v. titanodolena Pch., iii, 11. 



v. jeannotiana Terv., iii, 11. 

 Zonites piestius Bgt. 



v. chionodiscus Pfr., iii, 11. 

 L. spiranomala Bgt., viii, 55. 



speiranomala Bgt., in Pech. 

 L. argia Bgt., iii, 12. 

 L. adanensis Naeg., viii, 57. 

 L. prophetarurn Bgt., iii, 12. 



L. cariosula Mich., iii, 13. 

 L. fimbriata Bgt., iii, 12. 



v. myopa West. 



v. illicita Mss. 



v. varicosula West. 

 L. debeauxi Kob., viii, 55. 

 L. mayrani Gass., iii, 13. 



v. subcariosula Bgt., iii, 13. 



kobeltiana Deb. 

 L. octinella Bgt., viii, 55. 



vetula West. 



L. hispanica West., viii, 56. 

 L. saharica Deb., viii, 56. 

 L. cariosa Oliv., iii, 13. 



v. amphicyrta Bgt. 



v. nazarensis Mouss. 



v. crassocarina Mouss. 

 L. ultima Mouss., iii, 14. 

 L. pressa Mouss., iii, 14. 

 L. accola Mouss., iii, 14. 



Section Sphincterochila Ancey. 



Mima WESTERLUND, Fauna Palaiirct. Binnenconch., i, p. 88, 

 1886 (for boissieri smdfilia). Not Mima Meigen, Diptera, 1820. 

 Sp hinder ochila ANCEY, Conch. Exch., Aug., 1887, p. 23 (for filia 

 and boissieri). 



Shell solid white and chalky like Leucochroa; but the aperture is 

 contracted by a building inward of the lip on its outer margin and 

 at the sutural angle. Jaw and teeth as in Leucochroa. Type L. 

 boiasieri, p). 56, figs. 11, 12. 



Distribution, Palestine and northern Arabia. 



L. boissieri Charp., iii, 14. 

 v. zonata Bgt. 



L. filia Mouss., iii, 15. 



