GEOMALACUS. 71 



Arion hortensis. Ferus. Hist. Moll. 6. 5. t. 11. f. 46. viii. a. 

 f. 2, 3, 4., Tall. Syst. 18.; Gray, Med. Rep. 1821 ; Leach, 

 Syn. Moll. 49. ; Forbes and Hartley, B.M. iv. 10. t. F. F. F. 

 f. 1. ; Gray, Cat. B. M. 56. Limacella concava. Brard, 

 Hist. 121. (Shell.) Limacellus variegatus. Turton, Man. 

 ed. 1. 25. t. 3. f. 16. (Shell.) Limax subfuscus. Pfeiffer, 

 Syst. 2nd. 4. 20. (?) Limax hortensis. Blainv.', Gratel. 

 Moll. Dax. 55. f. 4. ; Michelen, 6. Var. 2. with a black 

 streak on each side. Limax fasciatus. Nilson, Faun. 

 Suec. 3. Arion circumscriptus. Johnst, Edinb. Phil. Journ. 

 1828, v. 77. Arion hortensis, var. /3. Alder, Mag. Zool. 

 and Bot. iii. 105. Arion (Prolepis) fuscus. Moq. Tandon, 

 Moll. Franc, ii. 14. t. 1. f. 2830. 



Inhab. woods, hedges, and gardens. Gray, 1817. 



The variety is greyish, spotted with black, and 

 with a black fascia round the shield and body ; the 

 respiratory hole is anterior. The young is yellow 

 or white, with black head and tentacles. 



Common in gardens near London, called the April 

 Slug. Eggs phosphorescent. 



M. Tandon describes 11 varieties. 



2. GEOMALACUS. 



Body rather depressed ; shield granular ; back 

 rounded, convex, not keeled ; subcaudal gland 

 lunate, horizontal ; respiratory aperture rather 

 in front of the middle of the lower edge of the 

 shield; foot divided into three equal longitu- 

 dinal bands. 



is. 1. GEOMALACUS maculosus. Spotted Irish 

 Slug. Intense black beneath, pale white back 

 and shield, with numerous subequal yellow 

 spots, generally more numerous in a line on 

 each side of the body. 



F 4 



