G8 YERTEBRATA : MAMMALIA. 



I. MONODELPHIA. 



1. BlMANA, or erect two-handed mammals ; the hands never 



iised for locomotion ; Man only. 



2. QUADRUMANA, or non-erect four-handed mammals ; the hands 



used, generally, for locomotion ; as Monkeys. 



3. CARNIVORA, or flesh-eating mammals, with sharp teeth and 



sharp claws, as the Cats, Dogs, etc. 



4. TJ:N"GULATA, or mammals whose four feet are hoofed ; as the 



Horse, Cow, Sheep, etc. 



5. TOXODONTIA, or fossil pachydermatous mammals, with pecu- 



liar teeth, the outer incisors being bow-shaped. 



6. HYRACOIDEA, or very small hoofed mammals, in some respects 



allied to the Rodents, and to the Rhinoceros ; as the Da- 



mans. 



7. PROBOSCIDEA, or mammals whose nose is prolonged into a 



trunk or proboscis ; as the Elephant, etc. 



8. SlRENIA, or mammals somewhat whale-like in form, and her- 



bivorous in habits ; as the Manatus, Dugong, etc. 



9. CETACEA, or mammals somewhat fish-like in form, with pad- 



dle-like limbs, and carnivorous habits; as Whales, Por- 

 poises, etc. 



10. ClIIROPTERA, or hand-winged mammals mammals adapted 



for flight ; as Bats. 



11. INSECTIVORA, or mammals with teeth, etc., adapted for eating 



insects ; as Shrews, Moles, etc. 



12. RODENTIA, or mammals with teeth fitted for gnawing ; as 



Squirrels, Beavers, Rats, etc. 



13. EDENTATA, or mammals deficient in teeth ; as the Armadillo, 



Sloth, Anteater, etc. 



II. DIDELPHIA. 



14. MARSUPIALIA, or mammals with a, sack or pouch in which the 



young are carried after birth. 



III. ORNITHODELPHIA. 



15. MOXOTREMATA, or mammals which have some affinities with 



birds ; as the Duckbill and Echidna. 



For further remarks on the classification of the Mam- 



