'.04 



ANIMAL LIFE 



Mussel, 8 1 

 cilia of, 35 

 messmates in, 81 



Nereis (sca-wonn), 200 

 Nervous system, action of, 

 128-45 



development of, 140-4 

 Xests, birds, 206-1 5 



fishes, 205-6 



mammals, 215 



spiders, 96, 97 

 Newts, armoured, 22 



figured, 20 

 Nuttall, G. H. F., 25 



Orckesella (primitive insect), 71 



Order, 16 



Organic memory, 1 30-2 



Organisation, 16-25 



Orthoptera, 224-7 (order of 

 insects containing cockroach, 

 grasshopper, mantis, etc.) 



Oxygen, need for, 99 

 quest for, 102-4 

 (See also ' Respiration ') 



Oyster, enemies of, 82 



Partridge, 1S1. 182 

 Peckham, on spiders, 216 



on wasps, 300 

 Pheasant, argus, 194 

 Pigeon, wing and dissection of, 



69 

 Pigments, blood, 1 10 



excretory, 167 



fatty, 160-165 



muscle, 159 



of sponges, 107- 8 

 Pipe-fish, 177, 206 

 Plants, as food, 65-7 



characteristics of, 1, 154 



history of, 77 



pigments of, 161 

 Poulton, on mimicry in butler- 

 flies, 18X-9 

 Prawn, ,'Ksop. (See ' Hippolyte') 

 Prosopis (solitary bee), 27S 

 Protozoa. ('See Animalcules') 



breathing of, 105 

 Pupa (chrysalis), 235 



Races, colouration of, 149 



welfare of, 24, 190 

 Reeves, mating of, 195 

 Respiration, of bivalves, 1 1 3 



of Crustacea, 108-13 



of cuttle-fish, 1 I 5 



of Protozoa, 105 



of univalves, 1 1 5 



of vertebrates, 116-23 

 Response, power of, 127-40 

 Rhizostoma (jelly-fish), 13 

 Rodents, 74, iij 

 Romanes, G. J., 98 

 Ruminants, 76 



Scale-insects (coccidas), 12, 



Seolopendrella, 39 

 Sea-urchin, J3, 114, 115 



Seal, 5 5, 54 



Sense, organs of, 153 



Sharp, on insects, 300 



Shells, i 10, 115, 114, 115 



Shrimps, food of, 139 

 senses of, 1 36-9 



Silver-fish (Lepisma), 225-4 



Simuiittm (black-fly), life- 

 history of, 2 57-60 



Skylark, nest of, 211 



Sleep, 129 



Sminthurus (a primitive insect), 



Snakes, movements of, 50-1 

 Species, 16 

 Spiders, 92 



mating of, 192-3 



webs of, 93-S 

 Sponges, 105-6 

 Starfish, 3 3, 83 

 Swallows, 208 

 Sympathetic colouring, 168-80 



in prawns, 168-9 



m insects, IS ^-7 



Taste, 139 



Teeth (ungulates), 75-6 



Tern, little, 210 



nest of, 209, jK, 

 Thayer, on colouration, 181, 180 

 Thyroid (gland), 131, 1 ;_< 

 Titmouse, nest of, 2 1 ; 



