ARION 163 



1887. Arion alpinus, n. sp. : Pollonera, Atti Accad. Sci. 



Torino, xxii, p. 305. [Non Fitzin^er, 1833.] 

 1889. Arion cottianus, n. sp. : Pollonera, Atti Accad. Sci. 



Torino, xxiv, p. 634, pi. ix, f. 23 & 2-1. 

 ?1889. Arion amhiguus, n. sp. : Pollonera, t. c, p. 635. 

 1894. Arion elongatus, sp. n. : Collinge, Ann. <& Mag. Nat. 



Hist., Ser. VI, vol. xiii, p. 66, pi. v. A, 



f. 1-4. 

 1897. Arion cceruleus, sp. n. : Collinge, Proc. Zool. Soc. Lond., 



1897, p. 444. [First proposed as a variety 



of A. hortensis in Conchologist, ii, 1892, p. 26.] 

 1905. Arion hortensis, Ferussac : Taylor, Monog. Moll. Brit. 



Is. [ii], p. 210, pi. xxiv, f. 7-10. 



First recorded as British in 1821, by J. E. Gray, as 

 " Limag Arion hortensis, Ferusac." {See ref. above.) 



4. Arion (Carinella) circumscriptus, .Johnston. 



Etym. : — Lat. circumscriptus, marked round with a line. 



?1819. Arion hortensis, var. a : Ferussac, Hist. Nat. Moll., ii, 



p. 65, pi. ii, f. 6. 

 ?1821. Arion hortensis, var. p : Ferussac, Tabl. syst. Limaces, 



p. 18; Hist., pi. viii A, f. 2-4. 

 1823. Lirnax fasciatus, y : Nilsson, Hist. Nat. Moll. Svecice, 



1822 [i.e. 1823], p. 4. 

 1828. Arion circumscriptus : Johnston, Edinh. New ■ Phil. 



Journ. [vol. v], 1828, p. 76. 

 1837. Arion marginatus. Nob. : KiCKX, Bull. Acad. Bruxelles, 



iv, p. 139. 



Sent '- ^"^'* hortensis, var. : Brown, Illust. Conch. Brit., ed. 2, 



1840'.J P- ^^• 



1845. Arion hortensis, var. : Brown, Illust. L. d; F.-W. Conch. 



Brit., p. 90. 

 1852. Arion leucophceus. Nobis : Normand, Descr. Limaces 



nouv., p. 5. 



1863. Arion hortensis [pars] : Reeve, L. & F.-W. Moll. Brit. 



Is., p. 11. 



1864. Arion Dupuyanus : Bourguignat, Malac. Grande- 



Chatr., p. 30, pi. 1, f. 1-4. 

 1864. Arion hortensis, var. grisea : Bourguignat, o. c, pi. i, 



explan. to f. 10. 

 1868. Arion neustriacus : Mabille, Rev. <& Mag. Zool., Ser. II, 



torn. XX, p. 138. 

 1868. Arion Bourguignati : Mabille, t. c, p. 139. 

 1881. Geomalacus bourguignati, J. Mabille: Locard, Mem. 



Acad. Sci. Lyon, xxv, p. 11. 

 1870. Arion (Carinella) Dupuyanus, Bourguignat : Mabille, 



Ann. Malac, i, p. 114. 



