Xvi PRINCIPAL ABBREVIATIONS. 
Rang. Man. Mol. Rang’s Manuel &c. des Mollusques, 1829. 
Rav. or Rave. Ravenel’s ‘ Catalogue,’ quoted by Lea. 
Reeve, or Reeve Sys. (or C. S.) Reeve’s Conchologia Systematica, 
1841 to 1848. 
—— l.or Ic. (or Conch. Icon. or Ic.) Reeve’s Conchologia Iconica ; 
from 1842 to now. The genus is always referred to. 
Regenf. Regenfuss’ Choix de Coquillages, &c. 1758. No scientific 
names. 
Renieri. Renieri’s Tavola Alphabetica. 
Retz. Philipson’s (preside Retz.) Dissertatio, &c. nova Testaceorum 
Genera, 1788. 
Rev. (or Revue) Z. (or Cuv. or Z. Cuv. or Zool. Cuv.)  Guerin’s 
Revue Zoologique de la Societe Cuvierenne; from 1838. 
Risso. Risso’s Histoire Naturelle &c. de l’Hurope; vol. iv. 1826. 
Roissy, Hist. des Cog. Roissy’s continuation of Montfort’s Histoire 
&e. des Mollusques, 1805. 
Rossm. or Ross. Rossmiassler’s Iconographie der Land und Siiss- 
wasser Mollusken; 1835 to 1844 (pt. 12). 
Rump. Rumph’s Amboinsche Rariteitkamer, 1705. 
Savig. (or Sav.) Egypt. Savigny’s Explication, &c. des planches des 
Mollusques; from the Description de Egypte, 1826. 
Say, Am. C. (or Conch. or Con.) Say’s American Conchology ; 
pts. i. i. 1830; pt. iii. 1831; pts. iv. v. 1832; pt. vi. 1834; 
pt. vil. posthumous. 
— Nich. (or Nich. Ene. Am. Con.) Say. in the second and third 
American editions of Nicholson’s Cyclopedia, 1818: reprinted 
as a pamphlet, 1819. 
— Transylv. Jour. Say in the Transylvania Journal of Medicine, 
1832; reprinted as ‘ Descriptions of some new Terrestrial and 
Fluviatile Shells of N. America.’ 
Scacchi. Scacchi, usually in his Catalogus Conchyliorum Regni 
Neapolitani, 1836; also in Antologia di Scienze Naturali, 1. 
Lettera test. Napolit. Lettera di A. Scacchi su Vari Testacei 
Napolitani, 1832. 
Os. Zool. Scacchi’s Osservazioni Zoologiche, 1833. 
Schmidt. Schmidt in Rossmassler’s ‘ Iconographie.’ 
Schrift. Berlin. Gesel. Schriften der Berlinischen Gesellschaft der 
Naturforsh. Freunde, 1780 to 1785. 
Schrot. or Schreier. Usually = next. 
(or Schret. or Schreter) Hin. Schroter’s Einleitung in die 
Conchylien-Kentniss nach Linne ; i. 1783; 1.1784; 1. 1786. 
(or Schret. or Schreter) Fluss. (or F’. or Plus.) Schroter’s 
Geschichte der Flissconchylien, 1779. 




