203 



Class IV. PTEROPODA. 



Order I. THECOSOMATA. 



Fam. I. CLEODOMDiE. 



765. Carolina, Gioeni, 1783; Abild. 1791; not Brng. 1792. Tricla, 

 Rets. 1788. Anomia, sp. Forsk. 1775. Fissurella, sp. Brug. ; 

 Megerle, 1811. Rheda, Humph. 1797- Hyalea, Zam. 1799, 

 1801. Hyalus, Froriep, Meckel. Hyaleeus, Montf. 1810. 

 Hyalea, Schweiger, Herrm. Monoculus, sp. Linn. Cavol. natans. 



Hyalsea, sp. Peron $• Lesueur. H. tseniobranchiata. 



766. ? Arclionta, Montf. 1810. A. exploratus. 



767. Diacria, Gray, 1842. Hyalea b, Rang. Hyalea trispinosa. 



768. Clio, Brown, 1 756 ; not O. Midler. Cleodora, Peron fy Lesueur ; 

 Lam. 1812. Cliodora, Schweig. Hyalsea, sp. If Orb. Clio pyra- 

 midata. 



769. Balantium, Leach MSS. 1819; Children, 1829. Bal. re- 

 curvum. 



770. Pleuropus, Eschsch. (Isis) 1825. Cleodora, Blainv. P. pellu- 

 cidus. 



771. Vaginella, Baud. Vaginula, D'Orb., Sow. V. depressa. 



772. Cresis ("Le Creseis"), Rang, 1828, 1829. Creseis, Eschsch. 



1829. Criseis, Forbes, 1844. Crisia, Menke, 1844. Cleodora, 

 sp.D'Orb. Hyaleea, sp. B'Orb. C. acus. 



Styliola, "Lesueur ;" Blainv. 1825. Cleodora c, Blainv. S. recta. 



773. ? Psyche, Rang, 1825, Ann. Sc. N. Psy. globulosa. 



774. Euribia, Rang, 1827; not Hubner, &c. &c. Eurybia, Menke, 



1830. Eur. bemispherica. 



775. 1 Caecum, Flem. 1824. Brochus, Brown, 1827. Odontidium, 

 Philippi, 1836. Caecalium, Macgilliv. 1843. Orthoceras, sp. 

 Flem. Dentalium, sp. Montag. Creseis, sp. Cantr. Odontina, 

 Zhorz. 1834. Odontostorna, Cantr. Dentaliopsis, Clark MSS. 

 Dent, trachea. 



776. 1 Cadulus, Philippi, 1844. Dent, ovulum. 



Fam. II. LIMACINID.E. 



777. Limacina, Cuv. 1817; not Hartm. 1821. Spiratella, Blainv. 

 1825. Argqnauta, sp. O. Fab. Lim. arctica. 



778. 1 Spinalis, Eyd. fy Soul. See Heterofusus ? 



779. ? Cirropteron, Sars, 1835. Buccinum (jun.), Allman, 1843. 

 C. semilunare. 



