PRINCIPAL ABBREVIATIONS. 

Ape. Abel’s Conchylien in dem Naturaliencabiette, &e Bischof’s y. Constantz. 
1787. 
Axpitp. <Abildgaard’s continuation of Miller’s Zoologia Danica. 
Apams, G. Adams in the Transactions of the Linnean Society, vols. iii. and y. and 
on the microscope. 
Apams, Sow. Tu. A.Adams’ monographs of Stomatia, &c. in Sowerby’s Thesau- 
rus Conchyliorum. 
Syn. Jam. C. B. Adams’ Synopsis Conchyliorum Jamaicensium, from the 
Proceedings of the Boston Society of Natural History. Read 1845. 
—— Voy. Samar. <A. Adams and Reeve in the Zoology of the Voyage of H.M.S. 
Samarang. Mollusca pages 1 to 24 in 1848, pages 25 to 44 in 1850 ; pages 45 
to 88 in 1850. 
Apans. or ADANS. SEN. Adanson’s Histoire Naturelle du Sénégal. 1757. 
Axper. Alder in the Catalogue of the Mollusca of Northumberland and Durham 
(1848); in the Magazine of Zoology and Botany, and the Transactions of the 
Natural-historical society of Northumberland (1830). 
— Av. Nar. Alder in the Annals of Natural History, vol. xiii. 
Auten. Alten’s Systematische, &ce Erd u Fluss-Conchylien, &c. Augsburg. 1813. 
Apx. Drnu. AND Crap. Appendix to Denham and Clapperton’s Narrative of Tra- 
vels, &cin Northern and Central Africa. 1826. 
, Ara. (or Arg. Conc.) Argenville’s Conchyliologie. 1757. 
Ascan. Ascanius’ Icones rerum naturalium. Pt. i. 1767: pt.ii. 1772: pt. iii. 1775: 
tpt. iv. 2777: pt. v. 1805. 
Bacu. Gry. Gevens Conchylien-Cabinet, edited by Bachmann, 1830. 
Barr. Ueber eine Siisswasser Miessmuschel. 1826. 
Barnes, or Barnes, Six. J. Barnes in Silliman’s American Journal of Science, vols. 
vi vii. xiii. Barnes has also written in the Annals of the Lyceum of New York, 
yol.i. 
Bean. Bean in Thorpe’s British Marine Conchology ; in Loudon’s Magazine of 
Natural history, vols. vi. and viii. 
Brecu, Z. Gray and Sowerby (the former chiefly) in the Zoology of Captain 
Beechey’s voyage, 1839. 
Binney. Binney in the Boston Journal of Natural History, 1837, 1841, 1843. 
Bu. or Buain. Blainville. The reference is more frequently to his Manuel. 
— —Dic.Sc. Blainvillein the Dictionnaire des Sciences Naturelles, 1824. 
— —F-.F. Blainville’s Mollusques in Viellot’s Faune Francaise. An unfinished work. 
’—— Mar. Blainville’s Manuel de Malacologie, et de Conchyliologie, 1825 to 1827. 
— —N. Ann. Mos. Blainvillein the Nouvelles Annales du Museum d’Histoire na- 
turelle. vol. i. 
Botren. Museum Boltenianum, ed. 2, 1819. Names (not descriptions) for figures in 
Knorr, Martini, &c. 
Bonan. Bonanni’s Recreatio mentis et oculi. 1684.” In Italian in 1681. 
Born, or Born Tes (or TEs Cais. ) Born’s Testacea Musei Cxsarei Vindobonensis. 
1780 —His Index in 1778. 
Bory, E. M. Bory St. Vincent’s names attached to the list of the engravings of 
shells in the Encyclopedie Méthodique. 
< Bowpicu. Bowdich’s Elements of Conchology. Univalves, 1820; Bivalves, 1822. 
Brande Jour. Journal of Science and the Arts (edited by Brande). 
Bosc. Bosc’s Histoire Naturelle des Coquilles, 1801. Gmelin’s species arranged in 
more modern genera. 
Brarp. Brard’s Histoire des Coquilles Terrestres et Fluyiatiles aux environs de Paris. 
1815. 

