i 7 6 



INDEX 



Mollusca, 17, 41, 77, 97, 139, 147, 



149, 158 



Monkeys, 28, 50 

 Monotrema, 52, 68, 125 

 Moore, J. P. , 40 

 Morphon, 144, 169 

 Morris, C, 144 

 Moseley, H. N., 125, 140 

 Mugilidse, 112 

 Muller, J., 123 

 Mullet, 108 

 Mungoose, 94 

 MyobatraehuS) 102 

 Myoepithelial cells, 155, 156 

 Myriopoda, 148 

 Myrmecoidism, 121 

 Myrtnedonta, 121 



NAUPLIUS, 39-41 



Nautilus, 33, 137 



Nematocysts, 155 



Nematodes, 70, 155 



Nemertines, 42, 77 



Nephridia, 154 



NcphthyS) 44 



Nervous system, 75 & 2 > 86, I][ 3 



Newton, A., 23 



Newts, 52 



Nictitating membrane, 94 



Notochord, 14, 72, 73 



Nucleus, 167 



Nuculidse, 162 



Nutrition, 73, 103, 126 



OESOPHAGUS, 83, 85, 156 

 Olfactory pit, 85 

 Onychophora, 125 

 Opercular membrane, 141, 147 

 Ophelia, 139 

 Ophiocephalus, 135, 141 

 Ophiodromus, 43 

 Opisthobranchiata, 147, 149 

 Opisthocoelous vertebrae, 97 

 Opposable extremities, 95 

 Osborn, H. F., 12, 68 

 Osphradium, 147, 158 

 Osteophora, 94 

 Oviparity, 124, 125 

 Owen, Sir R., 4, 93, 96, 106, 108, 

 I5i 



PALLIAL sense-organs, 162 



Palolo, 43, 129 



Pantopoda, 99 



Parachute flight, 49, 90, 91 



Parallelism, 57, 70, 79, 128, 149 



Parasitism, 31, 74, 76 



Patella, 147 

 Pecten, 44, 159, 160 

 Pectoral fins, 88 

 Pelmatozoa, 37, 71 

 Pentanymphon, 100 

 Periophthalmus, 140 

 Peripatus, 17, 125 

 Phanerozoa, 23 

 Phasmidse, 63 



Phosphorescence, 21, 34, 91, 1 12 

 Phototaxis, 20 

 Phyllidia, 147 

 Phy Ilium, 61 

 Phyllodoce, 154 

 Phyllopteryx, 64 

 Physiognomical convergence, 57 

 Pilidium, 42 

 Pipa, 96, 133 



Pipe-fishes (see Lophobranchii) 

 Placentation, 103-105, 126 

 Placuna, 160 

 Planozoic, 39 

 Platax, 64, 66 

 Platyhelminthes, 70, 77 

 Platypus (see Monotrema) 

 Pleotropism, 41, 43, 45, 122 

 Plotosus, 147 

 Pocock, R. I., 63, 149 

 Polychaeta (see Annelida) 

 Polypedates, 134 

 Polypterus, 145 

 Poulton, E. B., 54 

 Prehensile tails, 52, 68 

 Protective coloration, 26 

 Protochordata, 72, 83 

 Protozoa, 15, 167 

 Psamtnolyce, 43 

 Pteromys, 57, 91 

 Pteroplatcea, 106 

 Pteropoda, 41 

 Pulmonate Arachnida, 149 



Mollusca, 149 



Punnett, R. C, 150 

 Pupil of the eye, 93, 102 

 Purcell, W. F., 148, 149 

 Pygmies, 87 

 Python, 142 



RACIAL convergence, 87 

 Raptorial appendages, 95 

 Recapitulation, 42 

 Regeneration, 46, 52, 63 

 Regression, 125, 164 

 Reptiles, 21, $o, 124 

 Respiration, 139 

 Respiratory pigments, 26 

 Retina, 162 



