II HABITS OF CARNIVOROUS SNAILS AND SLUGS 55 



Fer. in numbers was after an engagement between the Kaffirs 

 and Zulus, when they might be observed streaming from all points 

 of the compass towards the field of slaughter. The Cuban 

 Oleacina are known to secrete a very bitter fluid which they 

 emit ; this perhaps produces a poisoning or benumbing effect 

 upon their victims when seized. They devour operculates, e.g. 

 Helicina regina and sagraiana'^ 



1 C. Wright, Zoologist, 1869, p. 1700. 



