11 



variegatus; (i) tristis M. T., (L. saxorum Baud.) brunneus, clyijeo 

 utriuque fasciato: 7) obscurus M. T., subrufescens, obsolete variegatns, 

 tentaculis fuscis et fasciis brunneis; 8) succineus Miill., supra subrufus, 

 subtus albus; 9) varians, griseus, nigro-maculatus et variegatus; 10) 

 lilacinus M. T., lilacinus, unicolor. &c. 



— var. uorvcgims Westerl. (1870): postice validissime ca- 

 rinatus, parum angustatus, supra rufescenti-cinereus, subtus ci- 

 nereo-cretaceus, medio subpiceus, sudore parco; testa crassa, con- 

 vexa, latere dextro sinuata; uncini later. bicuspidati ; long. 1 1 — -13 

 mm. (Norv. in Ringerige.) 



— vur. sylvaticus Dkp. (1805): gracilis, paullo major, cly- 

 peo violaceo, rufescente, doi'so violaceo coerulescente, nec fasciis 

 nec maculis ornatus, limbo luteo non transverse striato. (Gallia 

 merid.) 



— var. efruscus Issel (1868): brunneus, interdum pallide 

 maculosus, carina nigra, valida, clypeo postice arcuato, "sulcis duo- 

 bus convergentibus notato," solea luteolo-fusca; testa parvula, sub- 

 quadrata; long. 31 mm. (Ital., Toscana.) 



fff Clypeus postice regulariter rotiindatus. Corpus mol- 

 lissimmn, miicor luteus. Species parvce, 30 — 60 nim. 



21. L. tenellus Nilss. (1822): luteo-cinerascens, clypeo lu- 

 teo, tentaculis nigris, fascia in latere utroque obscura; long. 30 — ^60 

 mm. (Scandin., Brit., Belg., Gall. merid., Germ.) Aniraal rugis 

 dorsalibus in seriebus regularibus positis notatuni; radula 4 nim. 

 longa, 3 nim. lata, seriebus uncinarum long. 135, transvers. 131, 

 uncinis later. bifidis. Syn. L. cereus Held. L. cinctus Heynem. & 

 plur. 



— var. xaniMiis Bourg. (1866): animal uniformiter luteolo- vel 

 subviridulo-aurantiacum, rugis dorsalibus argutis, elongatis, dorso 

 convexo, ad caudam acute carinato, clypeo valde anteriori, 

 maximo, eleganter striatulo; long. 45 mm. (G-erm., Mcdherg 

 prope Ems.) 



— var. squammatinus Morbl. (1845): aureo-virescens, late- 

 ribus coerulescentibus, tentaculis nigris, quadrofasciatus, lineis late- 

 ralibus parallelis, dorsalibus in unum convergentibus. (Lusitania.) 



22. L. majoricensis Heymeim;. (1862): radula 6 mm. longa, 

 l*/^ ii^i^- lata, seriebus uncinarum long. 80, transv. 100 mm. ; 

 testa 3^/2 mm. longa, supra 2, infra P/^ mm. (Mallorka.) Notis 

 allatis anatomicis mihi tantum cognitum animal. 



