FINGER-POSTS AND MILESTONES 13 



Group 2. 



Tragulina (Greek, tragos, goat), or Deerlets. Ex- 

 ample : Kanchil. 

 Group 3. 



Tylopada (Greek, tylos, a knob or swelling, and pous, 

 podos, a foot), Ruminants with digits encased in 

 cutaneous pads. Example: Camel. 

 Group 4. 



Suina (Latin, SMS, a pig), swine-like animals. Ex- 

 amples: Swine, Peccary, and Hippopotamus. 

 VII. Sirenia (Latin, siren, a sea nymph), Sea-cows. 



Examples: Manatee and Dugong. 

 VIII. Getacea (Greek, ketos, a whale), animals of the 



Whale kind. Examples: Whale and Dolphin. 

 IX. Edentata (Latin, edentatus, toothless), toothless 

 animals. Examples: Sloth, Ant-eater and Arma- 

 dillo. 

 X. Marsupialia (Latin, marsupium, a pouch), pouched 



animals. Examples: Kangaroo and Opossum. 

 XI. Monotremata (Greek, monos, single ; trema, a hole), 

 animals whose excretions are discharged by one 

 orifice, as in birds. Example : Duckbill. 



It may appear strange that even a recently discovered 

 animal is promptly supplied with a Latin name. It must 

 be remembered that Latin and Greek are the two tongues 

 common to the scientific men of all civilised nations, and 

 whatever may be the common name of an animal in any 

 particular country, its scientific title remains unchanged. 

 In most cases, too, the name is a key to some characteristic 

 possessed by the animal. 



Let us for a moment consider a typical instance of the 

 finger-posts and milestones referred to in an earlier page. 

 Take the Brown Bear for example. Its full postal address 

 in Nature is: 



Sub-kingdom, Vertebrata. Class, Mammalia. Order, 

 Carnivora. Division, Plantigrada (Sole-of-the-foot walkers). 

 Family, Ursidce (Bears). Species, Ursus arctos. 



The address of the White Bear only differs in the last 

 particular, viz., Ursus maritimus. Thus, just as we can fix 



