

INDEX 





mites, 35, 162. 



molds, 40, 59 



moles, 14 



Mollusca, 117, z6z, 169 



mollusks, 63, 69, 76, 78, 79, loi, loi, 

 Hi, 114, 117, 119, 1X0, lii, 1x3, 137, 

 M4. 153. 167, 168, 179, i8x, 189, 190, 

 zoz, 2.06, ii8, izi, ^47, 156, 2.57, 

 z6i 



monkeys, 16, 15, z6, Z7, z8, Z30 



monotremes (egg-laying mammals), 50, 



ZiZ 



moor-hen, 145 

 mososaurs, 107 

 moss-animalcules, 164 

 mosquitoes, 35 

 moths, 16, 18, 45, 158 

 motmots, 13 

 mud-daubers, 16, Z3 

 murine rodents, 18 

 musk-oxen, 116 

 musk-rats, 17 

 mussels, 66, 119 

 myriopods, zzi 

 mysis-like creature, 149 

 myzostomid worms, 103 



N 



Naked or hairless horses, 146 



naked mice, 146 



nauplius, 149 



nautilus, 109, no, 181, 2.62. 



nautilus, chambered, 109, no 



necessities of life, 52. 



Nemathelminthes, 174 



nematodes, 35, 69, 162., -l/^z, 143, 153, 



^55, 158, 2.64, X73,z74 

 nematomorpha, x^z 

 Nemertea, z6t,, x69 

 nemerteans, 70, 103, 151, 157 



nereid worms, loi, 1x5 

 nests of birds, iz, 13 

 New Zealand glow-worm, 10 

 Niata cattle, 147 

 Norway rat, 14 



O 



ochropus, Gallinula, 145 

 octopus, 79, 84, izo, i8z, z6z 

 Oligocene, 173, 174, 181, 181, zz8 



(see table on p. 99) 

 oligochaste worms, 103 

 onychophores, ixo, z6z 

 onychophorid worms, 103 

 ophiurans, 101 

 optimum conditions for life in the sea, 



53 



optimum conditions for life on land, 53 



orangs, 4, X5, 1x4 



Ordovician, 108, 109, iix (see table on 



P- 99) 



Ordovician and Ozarkian animals, lox 



origin of all animals from a single cell, 



xiii, 164, i9i,xo9, X35 

 origin of animal foods, 37 

 origin of human culture, X31 

 origin of man, XX7 

 oriole, Baltimore, 13 

 ostracods, 158 

 ostrich, 89 

 oyster drills, 118 



oysters, 66, 78, 84, 119, 167, i8x, x6x 

 owls, 8x, 85, 118 

 Ozarkian and Ordovician animals, lox 



Painted lady, 131 



parasites and parasitism, X44 



parasitic barnacles, 15X 



Palaeozoic, 1x3, 1x6 (see table on p. 99) 



[2-92-] 



