CHAPTER XI 



AMPHIBIANS 



113. Amphibians. — Frogs and toads are the best known 

 animals of this group ; but here belong also the Sala- 

 manders (sttl'a-man-ders), frequently miscalled lizards (see 

 page 131). The Am- 

 phibians (am-fiL/i-ans : 

 Greek, amphi, double ; 

 bios, life) are all small, 

 the largest one found 

 in America being a 

 salamander (Crypto- 

 branchus), 

 rarely more 

 feet long. 



Amphibian is used to 

 explain the habit which 

 frogs, toads, and certain 



salamanders have of spending their larval (tadpole stage) 

 life in the water and their adult life on land, or partly on 

 land and partly in the water. 



which is 



than two 

 This term 



Figure 113. 



— Some Common Sala- 

 manders. 



LABORATORY STUDY 



Place one or two frogs or toads in a small jar or box and observe the 

 points mentioned in the report below. 



DO THEY 



Wink? 



Can tiiky 



Protect 



their Eyes ? 



How Do they 

 I . i;t An: ': 



Can tiiky 



W \ ik F Hop ? 



How Do 



l 1 1 B Y 8w] M J 



HOW Do THOT 



Uatoh \ Y\.\ :• 



113 



