214 



ANIMAL BIOLOGY 



lowed a second time and is acted upon in the third divi- 

 sion ( or manyplies) and the fourth division (or reed ). Next 



_$7. — Food traced 

 through stomachs of 

 cow. (Follow arrows.) 



Fig. 3S8. — Section of cow's stomachs. 

 Identify each. (See text.) 



it passes into the intestine. Why is the paunch the largest 

 compartment ? In the figure do you recognize the paunch 

 by its size ? The honeycomb by its lining ? Why is it 



round ? The last two 

 of the four divisions 

 may be known by their 

 direct connection with 

 the intestine. 



The true gastric juice 

 is secreted only in the 

 fourth stomach. Since 

 the cud or unchewed 

 food is belched up in 

 balls from the round 

 " honeycomb," and since 

 a ball of hair is some- 

 times found in the stom- 

 ach of ruminants, some 

 ignorant people make the absurd mistake of calling the 

 ball of hair the cud. This ball accumulates in the paunch 



Fig. 389. — OKAPI. This will probably prove 

 to be the last large mammal to be discovered 

 by civilized man. It was found in the for- 

 ests of the Kongo in 1900. 



Questions: It shows affinities (find them) with 

 giraffe, deer, and zebra. It is a ruminant ungulate 

 (explain meaning — see text). 



