HETEROCIfELY AND REGENERATION IN THE COMMON LOBSTER 



i. Marine Lobster, Homarus (Gammarus) vulgaris, Normal Left-handed Specimen. 



2. The Same Regenerating the Left 'Crusher' Claw after Autotomy. 



3. Shed Skin of the Same at the Next Moult. 



4. The Same after this Moult, showing Direct Regeneration of Left Crusher. 



Note the slenderer propus and absolutely longer dactylus in the smaller (' nipper ') claw. 



