eyes 
cultivated areas. It is a destructive pest in gardens, feeding on almost 
any vegetable crop, and is especially injurious to young plants. 
Deroceras caruanae (Pollonera) 
Plate slik 
Animal very similar to D, reticulatum but is smaller (about 25 mm. long 
when extended) and has a relatively longer neck, nearly as long as the 
mantle when the slug is active. 
Distribution: Mediterranean countries. Introduced into the British Isles, 
Canary Islands, and locally in California. 
ai 
Limax marginatus Muller (= Limax arborum Bouchard-Chantereaux) 
Plate Ill, E 
Animal of medium size with a pointed and keeled tail. Its color is gener- 
ally light brown, often pale gray, with two or three deep gray or blackish 
longitudinal bands. Both the pedal and suprapedal grooves are prominent, 
The mantle is concentrically wrinkled, the breathing pore on the right 
posterior side. The mucus is colorless. Adults measure 50-75 mm. in 
length when extended, 
Distribution; Europe generally. Introduced locally in Australia, New 
Zealand, Newfoundland, and in the United States in Maryland, Missouri, 
Colorado, and California. 
Limax flavus Linnaeus 
Plate wiiiG 
This slug is very similar to L, marginatus, but is larger, colored gray 
or black, and marked with yellowish spots. Its mucus is yellow rather 
than colorless, Adults are 75-100 mm. long when extended. 
Distribution; Temperate Europe. Introduced into many European 
colonies, and in many places in the United States. 
The habits of L. flavus in this country are very similar to those of 
Deroceras reticulatum, It is a slug of urban and suburban gardens, green- 
houses, and other cultivated places. 

