168 PULMONATA. 



Limax flavus, Linn. S. N. ed. xii. 1081. 



Clark, Ann. ^ Mag. N. H. xii. 338. t. 11. f. 11, 12. 



Forbes S,- Hanley, Brit. Moll. iv. 19. t. E. E, E. f. 1. 



Gray, Man. 114. t. 5. f. 16. 

 Limax variegatus, Ferussac, Tab. Syst. 21. 96 E; Hist. Moll. ii. 

 71. t. 5. f. 1-6. 



Draj). Moll. 12/. 9. 



Stimpson, Shells N. Engl. 



Nunneley, Trans. Leeds Phil. Soc. 41. t. 1. f. 3 (1837). 



Leach, Brit. Moll. 53. 



Bouchard, Moll. Calais. 

 Limax cinereus, var. y, Mailer, Hist. Verm. ii. 6. 

 Shell. — Lister, Exc. Anat. t. 3. f. 5. 



Fe'russac, Hist. Moll. t. 5. f. 4. 

 Limacella imguiculus, Brard, 115. t. 4. f. 3. 



Var. 2. Greenish or reddish. — Ferussac, I. c. f. 2. 

 Limax variegatus. Drop. Hist. 127. 

 Morelet, Moll. Portugal, 34. 



Var. 3. Yellowish. — Ferussac, f. 3. 

 Limace blonde des cuves, Brard. 



Var. 4. Brown, white spotted. 



Var. 5. Limax variegatus, Ehrenb. Symb. Phys. 



Hab. Eiu-ope : France; Spain; Portugal. N.America: Phila- 

 delphia {Say) (introduced?). Var. Spia {Ehrenberg). 



M. Bouillet {Cat. Moll. Auvergne, 15) and M. Morelet {Moll. 

 Portugal, 34} have observed that some Slugs, as L. variegatus, 

 lose their colour if the}' are tormented or kept in confinement : 

 thus L. variegatus passes from bright yellow to dull ohve-green. 



13. Limax megaspidus. B.M. 



Shield short, rounded behind, smooth ?, with the apertiu-e of 

 respiration on the hinder part of the right side. 



Limax megaspidus, Blainv. Journ. Phys. 1817> t. 11. f. 11, copied 

 Ferussac, Hist. Moll. 76. t. 6. f. 4, fi-om spec, in Brit. Mus. 



Krynickellus cristatus, Kaleniczenko, Bull. Soc. Imp. Nat. Mosc. 

 t. 5. f. 1 a, cop. Blainville. 



Hab. ? 



The specimen in the British Museum is, and was when exa- 

 mined by De Blainville, quite destitute of any trace of its natural 

 colour, and has been so long in spirits that it is impossible to 

 distinguish the sculpture on the shield, or even if the body was 



