A. E. Verrill — The Bermuda Islands. 



735 



Great Slug. ( Veronicella Schivelyce Pilsb.) 



Figures 84, la, 16, lc. 



Although this is not known to occur elsewhere, it seems desirable 

 to mention it here, because it may, perhaps, be found to have been 

 introduced from the West Indies. 

 la 



Figures 84, la, 16, lc— Great Slug {Veronicella Schivelyce) ; la, general view, % 

 natural size ; 16, under side of head, enlarged ; lc, side of head. 



It is very nocturnal in its habits ; most of those taken were cap- 

 tured at night by the use of a lantern. They were mostly found 

 crawling on limestone fences and on the sides of stone buildings. 

 Some were 12 to 15 inches long and over an inch wide in extension. 

 The color is dark slate-gray, almost black, or more or less mottled. 

 It secretes a large amount of very sticky slime, when irritated, but 

 does not ordinarily leave a trail of slime behind it, when it crawls 

 naturally. It is said to be common in some of the graveyards. 



37. — Introduction of Injurious and Useful Insects. 



a. — Insects mentioned by the Early Writers. 



The early writers refer to a few insects that attracted their atten- 

 tion, either because they were particularly injurious or because of 



