ARION HOBTENSIS. ,215 



VARIATIONS IN COLOUR AND MARKINGS OF ANIMAL. 



Var. fasciata Moquin-Tandon, Hist. Moll. France, 1855, p. 14. 



Arion fuscus ^sx.fasciaiHs Moquin-Tandon, op. cit. 



Arionfuscus var. pyrenaicus Moquin-Tandon, op. cit. 



Arionfuscus var. niger Moquin-Tandon, op. cit. 



Arion distinctus Mabille, Rev. et Mag. Zooi., 1868, p. 137. 



Avion elongatus Collinge, Ann. and Mag. Nat. Hi.st., 1894, p. 66, and pi. 5a. 



Arion cottianus Pollonera, Arionida; Europei, 1889, p. 14, ff. 23, 24. 



Animal grey, with darker dorsum, and a, dark lateral band on each side. This 

 form IS usually regarded as typical of the species. 



The var. faseiata s.str. is grey with darker dorsum and black lateral band. 



The suh-var. pypenaica is dark grey with blackish lateral band. 



The .sub-var. nigra is grey with black dorsum and lateral band. The grey is 

 tlie true ground colour, but is almost entirely overspread by a greater development 

 of the black pigment. 



The sub-var. dlstineta is yellowish-grey, with blackish lateral band at each 

 side, foot dull-yellow, not lineolated but speckled with yellowish. 



The sub-var. elongata is yellowish-grey, the dorsal area and lateral band being 

 black, sole and fringe yellow, the latter lineolate with sepia. 



The sub-var. cottiana as figured is yellowish-grey with darker dorsum, and 

 black lateral band. 



_ ,. „T r, , ENGLAND. 



Cornwall W.— Sub-var. nigra, Penmon near Falmouth, April 1884 ! H. Fox. 



Somerset— Sub-var. elongata, on a, lawn, Wainsgrove, E. W. Swanton (W. E. 

 Collinge, op. cit.). 



Hants. S.— Sub-var. cottiana, June 1891, E.W. Swanton (Collinge, Conchologist, 

 Dec. 1892, p. 77). 



Kent W.— Common in Dr. Gray's garden, Blackheath (Gray's Turton's Manual, 

 1840, p. 108). Near railway station, Chislehurst, Sept. 1884 ! T. D. A. Cockerel). 



Notts. — Sub-var. nigra, not rare about Tuxford (Gain, Brit. Nat., Nov. 189.S). 



Lancashire S.— Sub-var. nigra. Hough Green near Widnes, March 1884 ! H. L. 

 Edwards. 



York N.E.— Thornaby (B. Hudson, Journ. of Conch., April 1886). 



York S.W.— Lofthouse, April 1886 ! G. Koberts. Snb-var. niqra, Wakefield, 

 1886, J. Wilcock. 



Durham— Durham, May 1887 ! H. E. Fox. 



IRELAND. 



Antrim — Sub-var. nigra, wood near Ballycastle, May 1897 (L. E. Adams, Irish 

 Nat., July 1897). 



Down— Cultra, Dec. 1891, R. F. Schavff. 



Dublin -Killakee, Dublin Mountains, May 1890, K. F. Scharff. 



Westmeath— Sub-var. nigra, the prevalent form at Cloniiiacnois, July 1895 

 (R. Standen, Irish Nat., Sept. 189.5). 



Tipperary S. — Var. fasciata, Clonmel, Dec. 1885, Rev. A. H. Delap. 



CONTINENTAL DISTRIBUTION. 



Germany— Sub-var. distincta, Neu Brisach, Alsace (Meyer, Nachr., Sept. 1876). 



Belgium— Var. /flwciVeto, Lokeren, East Flanders. 



France — Var. fasciata, common at Crochfere, Cote d'Or ; sub-var. pyrena'ica is 

 found above Luchon, Haute Garonne ; sub-var. nigra, common at Bury, Gise ; 

 Amiens in the Somme ; Pas de Calais; Haute Loire; and Paris, Seine; sub-var. 

 distincta, under stones about Sevres, department of the Seine. 



Italy — Var. fasciata, Rivarossa, Canavese ; and sub-var. cottiana, Bardonecchia, 

 Valley of Dora Riparia, Piedmont. 



Spain — Var. fasciata and sub-var. nigra, Galicia. Sub-var. pyrenaica, near 

 Monasteiy, Montserrat, Catalonia. 



Var. limbata Moquin-Tandon, Hist. Moll. France, 1855, p. 14. 



Arionfuscus var. liittbatus Moquin-Tandon, op. cit. 



Arion anthracius Bourguignat, Moll. nouv. lit., etc., 1866, p. 178, pi. 29, ff. 8-10. 



Arion felopliilus Mabille, Ann. Malac, 1870, p. 117. 



The var. limbata s.str. is black or blackish, foot-fringe orange or yellowish. 

 The sub-var. anthraeia Bourguignat is uniformly black with paler foot-fringe. 

 The sub-var. pelopllila Mabille is black with scarcely visible lateral bands, foot- 

 fringe rufous. 



CONTINENTAL DISTRIBUTION. 



Belgium — Road-.sides, Ixelles, Brus.sels (Colbeau, Mem. Soc. Mai. Belg., 1866, 

 i., p. 47). Sub-var. jjeZqpAito, Belgium. 



