h 



TROCHID^. 387 



islands ; they are not found in Europe and the Western 

 Hemisphere. 



Species of Catillus. 



apiatus, Le Guillou. Luzonicus, Souleyet. 



Borbonicus, Bory. macrocephalus, Le Guillou. 



Bourgainvillei, Recluz. parvus, Mouss. 



Cumingianus, Recluz. porcellanus, Liim. 



depressus, Less. Sufreni, Recluz. 



Freycineti, Recluz. variabilis, Recluz. 

 Janellei, Recluz. 



Sub-gen. septabia, Ferussac. 



Apex sub-marginal, entire. 



aponogetonis, Vahl. Entrecastreauxi, Recluz. 



Cookii, Recluz. lineatus, Lam. 



Sub-gen. elaea, H. and A. Adams. 



Apex a little in front of the hind margin, entire, laterally 

 recurved. 



ambiguus, Recluz. Durvillei, Recluz. 



cserulescens, Recluz. Laperousei, Recluz. 



clypeolum, Recluz. maculiferus, Mouss. 



compressus, Bens. suborbicularis. Sow. 



Fam. TROCHID^. 



Tongue elongate, median teeth broad, laterals five, 

 denticulated, uncini very numerous, slender, with hooked 

 points. Head proboscidiform ; tentacles subulate, some- 



