590 INDEX. 



Family of Lamellirostres continued. 



Ducks ....... 



Swans . . . . . . - . 



Geese 



True ducks 



Periodical migrations of .... 



CHAPTER XXVII. 



Mammalia 



Essential character of .... 



Classification of, on what based 



Connecting link ...... 



Sub- Class. Ovo-vivipara 



Order 1. Monotremata ..... 



Duck-billed platypus ..... 



Porcupine ant-eater ..... 

 Order 2. Marsupialia, pouched quadrupeds 



For what remarkable .... 



Kangaroos ...... 



Opossums 



Dasyuri 



Phal angers ...... 



Bandicoots 



Myrmecobius ...... 



Wombat 



Carnivorous marsupialia very few in number . 



Zebra wolf . . ... 

 Sub-Class. Placentalia ..... 



Placental quadrupeds .... 



Order 1. Whales. Cetacea .... 



Cetacea are mammalia deprived of hinder limbs 



They breathe air ..... 



Their blood is hot ..... 



"Blubber" 



First Section includes Dolphins and Narwhals 



Dolphins (properly so called) 



Common dolphin 



Porpoises ....... 



Common porpoise 



Grampus . ... 



Narwhals ....... 



Sea-unicorn ...... 



Whale's head exceedingly large . 



Cachalots 



Whalebone whales ..... 



Whalebone forms a kind of sieve . 

 Herbivorous Cetacea ..... 



Have teeth with flat crowns. 



Sea-cows . ...... 



Dugongs . ...... 



Order 2. Thick-skinned Quadrupeds. Pachydermata 



Proboscidian pachyderms .... 



Elephants 



