INDEX 



497 



Rete mirabile 65, mucosum 271 



Retina 94 



Rhombencephalon 407 



Rhynchocephalia 477 



Ridges, placental 439 



Rima glottidis 56 



Ring, formative 399 



Rodent 278 



Root, Dorsal of Nerve 336 ; of tooth 

 301 ; Sheath, inner 272 ; Sheath, j 

 outer 272, Ventral of nerve 336 



Rosette 142 



Rostellum 195 



Rugae 49 



Sac, auditory 432, endolymphatic 



432, Vocal 15, 16, 56 

 Sacculus, Rana 99, Chick 432 ; 



Endolymphaticus, Rana 99, Lepus 



339, Rotundus 304 

 Salt solution 21 

 Sap, nuclear 363 

 Sarcolemma 41 

 Sarcomere 42 

 Sarcoplasm 41 

 Sarcostyle 41 

 Saurischia 477, 478 

 Scapular portion of shoulder girdle 



3i 



Schizoccel 395 

 Schizogony 141 

 Schizont 141 



Sciences, Biological i, Physical i 

 Sclerotic 92 

 Sclerotome 425 

 Scolex 195 

 Scrotal sac, 270, 321 

 Scyllium canicula 204 

 Section, transverse of, Lumbricus 188 

 Segmentation 377, Rana 106, of 



Tcenia 201, Holoblastic 191, Mero- 



blastic 398 



Segments, Lumbricus 171, Rana 396 

 Segregation 467, 470 

 Selection 460 

 Self-infection 147 

 Semen 250 



Semicircular canals 99 

 Semilunar valves 60 

 Seminal vesicle 198 

 Senescence 109 

 Sense organs, Rana 76, 91, Scyllium 



251, 263, Lepus 338 ; Development 



of 430 



Sensitivity 5, 109 

 Sensory fibres 90 

 Septa connective tissue 16 



Septum, atriorum 315; Inter Atrial, 

 Lepus 268, Chick 414 ; Inter- 

 branchial 229 ; Interventricular 

 414 ; Medium 61 ; Pericardio- 

 peritoneal 234 ; Ventriculorum 

 268, 316 



Serially homologous 171 



Sero-amniotic connection 419 



Serum 68 



Setae 172, penial 172 



Setigerous sac 172 



Sex-chromosome 471 



Sexual reproduction 167 



Seymouria 475 



Sheath, primitive 87, medullary 88 



Shell gland 198 



Shield, embryonal, Chick 399, Lepus 

 411 



Sinu-auricular valves 59 



Sinus, Sagittalis 340 ; Terminalis 413 ; 

 Transversus 340 ; Urinary 248 ; 

 Urogenital 248 ; Venosus, Rana 

 1 8, 59, Scyllium 234, Chick 414 



Sinusoids, Rana 65, Scyllium 250, 

 Chick 423 



Skein 364 



Skeletogenous sheath 217 



Skeleton appendicular, Scyllium 225, 

 Lepus 283 ; Endoskeleton 215 



SKELETON, APERTURES, ETC. : Aceta- 

 bulum 286 ; Alisphenoid canal 

 293 ; Aquasductus Fallopii 282 ; 

 Auditory meatus, external 296 ; 

 Canal, Infra-orbital 298 ; Canal, 

 Vertebrarterial 275 ; Cranial fonta- 

 nelle, anterior 218 ; Eustachian 

 canal 296 ; Fenestra ovalis, Lepus 

 282, Cahis 297 ; Fenestra rotunda, 

 Lepus 282, Canis 297 ; Floccular 

 fossa 282 



Foramen caroticum 296 ; In- 

 ferior dental, Lepus 283, Canis 300 ; 

 Infra-orbital 297 ; Inter vertebral, 

 Rana 26, Lepus 274 ; Lacerum 

 anterius, Lepus 281, Canis 293 ; 

 Lacerum medium, Lepus 282, 

 Canis 296 ; Lacerum posterius, 

 Lepus 283, Canis 296 ; Lachrymal 

 296 ; Magnum 292 ; Mental 300 ; 

 Obturator 286 ; Optic 294 ; Ovale 

 293 ; Palatine, anterior 299 ; 

 Palatine, posterior 297 ; Pituitary, 

 Lepus 281, Canis 293 ; Post-glenoid 

 299 ; Rotundum 293 ; Stylo- 

 mastoid 282, 296 



Gluteal fossa 286 ; Iliac fossa 

 286 ; Intercondylar notch 287 ; 

 Inter vertebral notch 274 ; Meatus 

 auditorius internus 282 ; Orbital 

 fossa 294 ; Sella turcica, Lepus 



2 K 



