SNAILS AND SLUGS. 49 



animals, we shall see much to admire and much 

 to give us instruction. 



BLACKBOARD WORDS. 



muscular (mtis'ku-lar), contract (kon-trakf), intruders 

 (m-trud'erz), fastidious (fas-tid'i-us), Helix (helix), fldelis 

 (fi-de'lis), retirement (re-tir'ment), occupants (6k' ku- 

 pantz). 



W.S.R. VOL. 84 



