12 



ZOOLOGY. 



instance, their manner of procuring their food — we reach the 

 divisions of each class, which we designate as ORDERS. 



Observing the characteristics of the individuals of each Order 

 with regard to their genera] form — as, for instance, the shape of 

 the bill or structure of the tongue — we reach the divisions of each 

 order, which we designate as Families. 



Observing the characteristics of the individuals of each Family 

 with regard to details of execution in special parts — as, for 

 instance, the number and shape of the teeth — we reach the 

 divisions of each family, which we designate as Genera {sing., 

 Genus). 



Observing the characteristics of the individuals of each Genus 

 with regard to identity in every essential particular — as, for 

 instance, color, size, corresponding measurements, etc. — we reach 

 the divisions of each genus, which we designate as Species. 



The following table exhibits the general plan of classifying the 

 Animal Kingdom : 



