28 ELEMENTARY TERMS. 



Remarks. These popular divisions arc inserted for 

 ilie purpose of giving (lie mind of the student the right; 

 direction, in regard to t he language to \\hich he has 

 been accustomed. For the same purpose, he should he 

 guarded against considering lava as entitled to a place 

 among venues. Though lai vaare usually called worms, 

 they are insects on the transmigi atorv passage from the 

 egg to the \\inged state. Therefore the .student is to 

 consider the caterpillar, the maggot, the web-making 

 larva, and all other common animals called worms, ex- 

 cepting the angle- worm, as insects. 



KLKMKNTARV PARTS OF ANIMALS. 



In describing animals, their bodies are divided into 

 ten parts. 1. Head, 2. Neck, 3. Thorax, 4. Abdomen, 

 :>. Fore-legs, 6. Hind legs, 7. Fore feet. 8. Hind feet, 

 ^ Toes, 10. Tail. Four common appendages are in- 

 cluded, as elementary parts. 1. Horns, . Noses, 3. 

 Smellers, 4. Ctnering. These parts are not found as 

 constituents or appendages of all animals ; but all ani- 

 mals are made up of more or less of them, or of what 

 are analagous to them. 



AfTAiLAGOUS IVVUTS OF AMMALS. 



1, Mammalia, head Aves, head Amphibia, head ~ 

 Pisces, head In.sects, head Vermos, fore end. 



), Mam. neek A\.nerk Am. neck- Pi. none In. 

 neck or none Ver. none. 



C,. Mam. thorax Av. thorax Am. thorax Pi. thorax 

 In. thosax Ver. nothing. 



4. Mam. abdomen AN. abdomen Am. abdomen PL 

 abdoiiien in- abdomen Ver. abdomen. 



5. Mam. fore legs Av. wings Am. fore legs Pi, 

 nothing In. wings or nothing Ver. nothing. 



