288 



INDEX 



Reproductive Svstem of l > iucon(Columba), 



247 



of Rabbit (Lepus), 258 

 of Skate, (/{a In), 226 

 of Snail (Helix), 171 

 of Tapeworm (Taenia), 



!>7 

 of Tunicate. (Ascidia), 



183 



Reptilia (Reptiles), 239 

 Resemblance, Protective, 129. (adven- 

 titious) 138 

 Respiration of Amoeba, 28 



of Arachnida, 156 

 of Birds, 241 

 of Crustacea, 127 

 of Dipnoi, 229 

 of Echinodermata, 165 

 of Yro-4 (Kami), 238 

 of Insecta, 138 

 of Leech (Hirudo), 124 

 of Lobworm (Arenicola), 121 



of Mites and Ticks, 157 

 of Mollusca, 166 

 of Reptilia, 239 

 Respiratory Organs of Craniata (Verte- 



brata), 211 



of Dogfish (Scyllium), 223 

 of Rabbit (Lepus), 258 

 of Skate (Raia), 223 

 Respiratory System of Amphioxus, 186 



of Cockroach (Blaifti or 



Periplaneta), 141 

 of Crayfish (Astacus), 134 

 of Lobworm (Arenicola), 121 

 of .Mussel (Aiiorlont(i), 173, 



17! 



of Snail (Helix), 170 

 of Tunicate (Awidiii), 183 

 lfl>fih(l.,,j)I.Kiir(i, ITS. ISO 

 Rhinoceros, 2151. i>7l 

 Hodentia, 204 

 Ruminants (Selenodontia), 263 ; stomach 



of, 270 

 Humiliation or " chewing the cud," 270 



Saccvlina, 112, 127, 128 



S;i!.uiiandei (X<ild minnlm), 2.''. I 

 Snlivary glands of Cockroach, 141 

 of Cranial a, 207 

 of Mosquito. L")l 



Salivary glands of Rabbit, 255 



of Snail, 170 

 Salpa, 181, 182, 185 

 Sarcopsylla, syn. Dermatophilu*. \ \>'< 

 Sai ropsida, 178 

 " Scabies," Cause of, 158 

 Scales, 194, 228 ; of Birds, 240 ; of 



Fishes, 228 ; of Reptiles, 239, 240 

 Scaphognathite, 131, 1.34 

 Schistosoma. See Bilhu-ln. 

 Schizocoele, l!M> 

 Schizogony, 1 2, 60, 63 

 Schizogamy, 122 

 Scleroblasts, 70 

 Sclerotome, 192 

 Scolex, 95, 96 

 Scorpion, 156 



Scyllium (Dogfish), 219, 227 

 Sea-anemones (Actinia, I'mc.hia). ".">, S(i, 



87, 88 



Sea-lion (Otaria), 262 

 Sea-mouse (Aphrodite), 114 

 Serl (Phoca), 262 



Segmental or Mesonephric duct, 213 

 Segmentation cavity. See Blastocoele. 

 Segmentation (Cleavage) of ovum, 14, 214 



Metameric, 193 



Semicircular canals of ear, 206 

 Sense organs of Craniata, 203 

 Kepi a (Cuttlefish), 169 

 Sesamoid bones, 255 

 Sheep (Ovis), 263 ; stomach of. 270 

 Shell of Anodonta, 172 



of Arcdla, 29 



of Diffluyta, 29 



of Foraminifera , 3 1 



of He1i.r (Snail), Kill 



of Molh.M'a, Ki.K Ki(i 



of Puluxtnnn-11,1. 32 

 Simiidae. See Ant hropoid .\ 

 Xini.ulitiiH, 142 



Sinus, Blood, 12(i, 1(53, Kif,, 210 

 Urino-uenita]. 213, 2oS 



Siicnia, (Sea-cows), 264 

 Skate. See It,, in. 

 " SkelHo'jcnoiis layer," 197 

 Skeleton. endo|>hra,L r ma,l. 130 : 



parts of. l!)7 

 of Ampkioxuf, 187 



of nnlnnoyluxxiiK 179 



