INDEX. jg 3 



PAGE 



Monad the smallest known Animalculae their mode of division 



(Fig. in) !6o 



Monitor a Lizard II2 



Monkeys how distinguished from Apes and Baboons ... ... ... 91 



Monotremata a small group of animals which seem to connect the 



true Mammalia with animals producing their young from eggs ... 25 



Morse, or "Walrus an Amphibious Carnivora (Fig. 43) 83 



Musk Deer the Perfume obtained from it 53 



Mussel its beard .: 149 



Myriapoda articulated animals with many feet 128 



N 



Narwhal an animal of the Dolphin tribe 33 



Natatores, or Palmipedes swimming birds their structure and 



general characteristics. (See Swan, Fig. 63.) ... ... ... ... 106 



Nictitating Membrane, the third eyelid of Birds (Fig. 49) ... 93 



Nightingale a passerine bird (Fig. 53) 99 



Nocturnal Birds of Prey Owls (Fig. 52) 98 



Nummulites animals of the group of Foramenifera 162 



Ophidians serpents ... -. ... 112 



Opossum an animal of the Marsupial order (Figs. 8, 9) ... ... 29 



Orang its feet compared with those of Man 89 



Order pervading nature .- 13 



Orders the great groups into which classes are divided 13 



Ornithorhyncus (or Duck-billed Platypus), an animal of the order 



Monotremata (Fig. 6) 25 



Ostracion the Trunk-fish (Fig. 78) ... . v ... 117 



Ostrich the leading representative of the Cursores, or walking oirds 



(Fig. 60) u 103 



Otters their habits their skins 80 



Owls their structure and habits (Fig. 52) 98 



Oyster and Pearls (Fig. 103) 148 



P 



Pachydermata thick-skinned animals, such as the Elephant, 



Hog, &c 31 



Pangolin (see Ant- Eater) 64 



Panther one of the feline, or Cat tribe 76 



Parrots Head of (Fig. 56) zoo 



Passerines, or Insessores perching birds, as the Sparrow ... 98 



Pelican an aquatic Bird 108 



Penguin one of the Natatores, or swimming birds 108. 



Perch a spiny-finned fish skeleton of (Fig. 79) Z2O 



