324' LIST OF AUTHORS AND WORKS QUOTED. 



Gmelin, J. F. Caroli a Linne Systema Natm*a3. Leipzig, 1788, 10 vols. 



8¥0. 



Gould, Augustus A. Report on the Invertebrata of Massachusetts. 



Cambridge (U. S.), 1841, 8vo, with 213 figures. 

 Gras, Albin. Description des Mollusques fluviatiles et terrestres de la 



France, et plus particulierement du Departement de I'lsere. Grenoble, 



1846, 8vo, with 6 plates. 

 Grateloup, de, Le Dr. Distribution geograpliique de la famille des 



Limaciens. Bordeaux, 1855, 8vo, pp. 33. 

 Grateloup, de. Essai sur la Distribution geographique, orographique et 



statistique des Mollusqvies terrestres et fluviatiles vivants du Departe- 

 ment de la Gironde. Bordeaux, 1858, 1859, 8vo, pp. 196. 

 Grateloup et Raulin. Catalogue des Mollusques terrestres et fluviatiles 



vivants et fossiles de la France continentale et insulaire, par ordre 



alphabetique. Bordeaux, 1855, 8vo, pp. 56. 

 Gray, John Edward. New British Species of Mollusca. In London 



Medical Repository, xv. 1821, p. 239. 

 Gray, J. E. Remarks on tlie Difllculty of distinguishing certain Genera 



of Testaceous Mollusca by their Shells alone, and on the anomalies in 



regard to habitation of certain species. In Philosophical Transactions, 



cxxv. 1835, p. 301. 

 Gray, J. E. A Manual of the Land and Freshwater Shells of the Britisli 



Islands (by William Turton, M.D.), New edition. London, 1840, 8vo, 



with 12 plates. 

 Gray, J. E. Description of a new species of S2)h(prium found near London 



(in Ann. & Mag. Nat. Hist., June 1856, p. 465) ; and on a second new 



species of Spharium from the Paddington Canal (in Ann. & Mag. 



Nat. Hist., July 1856, p. 25). 

 GuETTARD. Observations qui peuvent servir a former quelques caracteres 



de Coquillages. In Mem. Acad. So. Paris, 1756, p. 145. 



Hartmann, J. D. W. VON. System der Erd- und Fluss-Mollusken der 

 Schweitz und des benachbarten Landes. In Steinmiiller, Neue Alpina, 

 Wintherthur, vii. Band i. 1821. 8vo, p. 194. Also in Sturm, Deutsch- 

 lands Fauna, vi. 5 Heft. Nlirnberg, 1821, 18mo, pp. 60, with 3 plates. 



Held, F. Aufzahlung der in Bayern lebenden Mollusken. In Isis, 1836, 

 p. 271; and 1837, p. 304. 



Herrmannsen. a. N. Indicis generum Malacozoorum primordia, no- 

 mina subgeueriun, generum, familiarum, tribuum, ordinum, classium ; 

 adjectis au.ctoribus, temporibus, locis, systematicis atque litterariis, 

 etymis, synonymis. Cassel, 2vols. 8vo, 1846-9; and Supplement and 

 Corrigenda, 1852. 



Hoy. Thomas. Account of a Spinning Limax or Slug. In Linn. Trans, 

 i. 1790, p. 183. 



Hutton, Thomas. On the Land-shells of India. In Journ. Asiat. Soc. 

 Bang. iii. 1834, p. 81, 520. 



Jeffreys, John Gavyn. A Synopsis of the Testaceous Pneumonobran- 



chous Mollusca of Great Britain. In Linn. Trans, xvi. 1830, p. 323 ; 



and Supplement to same, p. 505. 

 Jeffreys, J. G. Notes on Swiss Mollusca. In Ann. & Mag. Nat. Hist., 



January 1855, pp. 16. 

 Jeffreys, J. G. Shropsliii'e Mollusca. In Ann. & Mag. Nat. Hist., Oct. 



1855, p. 464. 



