INDKX 



589 



heart, 366 

 lens, 139 



motor ller\e-tnillk, 111 

 lllllSi le-llll'i 



opi.sthoiiephros, 248, 250 

 origin of niesoderm, 63 

 o>t in in tuli:n', *_' I". 



ntation, 14, 15 

 Proftmnion, !'i7 



laeiuD, l 1 1 

 Pronephric chamber, secondary, u:;i. 



I'ronephros, 221, 222-237 



in adult T. 



I'rotoiiephrMium, 218 

 I'l-nti'iit, , nti 



buccal cavity, 149 



choiiilrocranium, :50X, 309, 311 



larva, renal organs, 230 



lung, 169. 190 



olfactory organ, 125, 126 



otoeyst, 131 



pancreas. 190 



Pinkus's organ, 133 

 l'n>t<stoina, 31 



theory, 493 

 tylic skull, 320 



1'rotovertcbral stalk, 198 

 Pseudobranch, 159 

 Pulmonary artery, 402 

 Pyloric caeca, 191 

 lobe, 91 



liadial s.'-iiifiitation, 9 

 Raw skate) 



electrical or-an, 213, 214, 216 



eniltryos. 562 



practical hints, 560 



buccal cavity, 148 

 calcareous bodies, 1 -'!'J 

 cement -organs, 80 

 ciliaiion of ectoderm, 70 



envelopes, -159, 460 



140, 141 



! niation, 38, 40 

 heart rudiment* 361 



larval teeth, 76 



origin of mesoderm, 61, 62 



renal organs, 222, 223 



lentation, 10. 11, 12, 13, 28 



iiitnlation. I'.Mt. ;,u;, 



'.'byiiuth), 129 



1 caecum, 192 



lu-nal ducU. evolutionary origin, 264 



us, general. -J17, L'tll 

 Ueptilia 



aortic arches. 395, 396, 397 

 archeiiteron, '>] 

 tooth, 326 



embryological material. ~>7^ 

 ilar lip, 49 



Ileptil: '/) 



gastrulation, 17 

 opisthonephros, 260 



rni, 64 



pronephros, 238 

 vertebral centra, 301 

 viviparity, 480 



Kctina, 135, 137 



Rhacophorufi, 461 



It/It', lni/,-,-1,111, 462 



/;/i,,(/<>nx, air-bladder, 167 

 Hl'onibencephalon, 85, 89 * 

 Rhomboidal sinus, 525 

 Ribs, 302 



Saccule, 130 



Salamandra (Salamander) 



heart, 389 



opisthonephros, 252 



rib, 304 



tongue, 150 



venous system, 421 



vertebral centra, 300 



viviparity, 480 



air-bladder, 168 



egg, 20 



gonad, 267 



heart, 389 



lepiddtrichia, 347 



opisthonephros, 259 



ovary, 277 



prouephros, 234 



pseudobrauch, 159 



segmentation, 21, 22 

 Sarcoplasm, sarcolemma, 203 

 Sauropsida 



lung, 162 



segmentation, 29 

 Scales, cycloid, 336 



ganoid, 336 



of Birds, 73 



placoid, 321, 322 



Reptilian, 71 

 Sdiiieiderian folds, 128 

 Sclerotic, 139 

 Sclerotome, 67, 198, 205, 285, 286, 



538 

 Scyllium 



chromophile organs, 284 



elongated buccal opening, 147, 148 



interrenal, 283 



practical hints, 561 



segmentation, 14, 15 



vertebral centra, 298 

 Segmentation, 5 



abortive, 14, 29 

 ,-y, 7 



metameric, 500 



ofcoelome, 197, 199 



of head region, f0<>, 501 

 Semicircular canal-. I'J'.i 

 Seio-ainiiiotic connexion, ioit 



