340 



INDEX. 



labial, 221 ; lacrymal, 193 ; of Lieber- 

 kiikn, 239; lingual, 221, 222; lymphatic, 

 294 ; mammary, 27 ; Meibomian, 27, 

 194 ; nasal (external) of Birds, 176 ; 

 of olfactory mucous membrane, 173, 

 175 ; orbital, of Gymnophiona, 180 ; 

 ovidncal, 311 ; palatine, 221 ; parotid, 

 222 ; peptic, 239 ; perineal, 27 ; pharyn- 

 geal, 221 ; poison, 221 ; preputial, 27, 

 330 ; prostate, 327, 330 ; sebaceous, 24, 



, 26 ; of Stenson, 177 ; sublingual, 222 ; 

 sweat, 26; "tentacular," of Gymno- 

 phiona, 180 ; uropygial, 23 



Glaus penis and clitoridis, 330 



Glaserian fissure, 202 



Glomerulus, 297, 304 



Gnathcstomata, 63 



Gonads, 310320, 325327 



Guinea-pig, milk dentition, 213 



Gullet, 209, 228, 234 



Gut, postanal, 86 



Gymnarchus, electric organ, 125 



Gymnophiona : scutes, 20, 32 ; olfactory 

 nerves, 155 ; spouting apparatus, 179 ; 

 external gills, 251 ; eggs, 316 



Gymnotus : electric organs, 124 ; lateral 

 nerve, 165 



Gyri, 132 



Gyrinophilus, vertebral column, 40 



H. 



Hair, 24 



Halrnaturus, third vagina, 322 

 Hatteria : vertebrae, 42 ; uncinate pro- 

 cesses, 50 ; teeth, 215 

 Heart, 268287 

 Hedgehog, teeth, 217, 220 

 Heloderma, teeth, 216 

 Heptanchus, skull, 64 , 

 Heredity, 2 



Hermaphrodite structures, 314, 316 

 Hesperornis : brain, 147 ; teeth, 216 

 Heterocercal tail, 38 

 Heterodont dentition, 213 

 Hilum, of kidney, 308 



of ovary, 322 

 Histology, 1 

 Holoblastic ova, 5 

 Homocercal tail, 38 

 Homodont dentition, 213 

 Homodynainy of limb-arches, 87 

 Horns, 83 

 Humour, vitreous, 183 



aqueous, 184 



Hyoid, 60, 78, 84, 199, 202, 222 

 Hyomandibular, 61, 70, 202, 22d 

 Hyostylic skulls, 65 

 Hypoblast, 6 

 Hypophysis cerebri, 132 

 Hyrax, caeca of, 236 

 Hystrix, teeth, 218 



1. 



Ichthyornis. vertebrae, 44 



Idioplasm, 4 



Iguanodon, pelvis, 96 



Ileum, 2t)9 



Iliac processes of Dipnoi, 92 



Iliac tract of Chimaera, 92 



Ilium, 9298 



Impregnation, 4 



Incisor teeth, 214, 216 



Incisura acetabuli, 98 



Incus, 202 



Infundibula of lung, 252 



Inguinal canal, 326 



Insectivora, milk dentition, 213 



Integument, 16 28 ; sensory organs of, 163 



Intercalary pieces of vertebrae, 36 



Interclavicle, 90 



Intermedium, 104, 109 



Interorbital septum, 57, 75 



Interspinous bones, 37 



Intertrabecula, 58, 65 



Intestine, small and large, 209 



Iris, 183 



Ischium, 93 98 



J. 



Jacobson, anastomosis of, 158 ; organ of, 



177 

 Jejunum, 209 



K. 



Kidney, 296310 



Labium vestibulare, 206 



Labyrinth : membranous, 195 ; bony, 



196 



Lacerta : internal ear, 200 ; tongue, 224 

 Lacteals, 293 

 Lagena, 198, 199 

 Lamina fusca, 184 

 Lamina spiralis ossea, 203 

 Lamna, number of vertebrae, 37 

 Lanugo, 26 



Laryngeal pouches, 257 

 Laryngo-tracheal chamber, 253 

 Larynx, 253, 257 



Lateral line, sensoiy organs of, 165, 194 

 Lemurs, teats of, 28 

 Lens, 183, 185 



Lepidosteus : vertebra, 37 ; tail, 38 ; de- 

 velopment of oviduct, 313 

 Leucocytes, 28, 239, 293 

 Ligaments, intervertebral, 34 

 Ligamentum nuchse, 46 

 Limbs : unpaired, 85 ; paired, 86 111 

 Limitans externa and interna of retina, 189 

 Liver, 209 



Lizards : subvertebral wedge-bones, 43 ; 

 caudal vertebrae, 43 



