270 



INDEX. 



MECKEL'S cartilage, 179, 182, 229, 



230. 



Medulla oblongata, 93. 

 Medullary canal, 53; folds, 37, 48, 



57; groove, 48, 57. 

 Membrana limitans externa, 106. 

 Membrane of Descemet, 102 ; of 



Reissner, 112; vitelline membrane 



13, 20. 



Membrane-bones, 178, 233, 237, 238. 

 Membranous labyrinth, 1 1 1 113. 

 Meniscus, 158. 

 Mesenteric veins, 171, 210. 

 Mesentery, 127. 



Mesoblast, 27, 45, 56, 196, 198, 199. 

 Metacarpals, 175, 176. 

 Metatarsal bones, 176. 

 Metatarsus, 176. 

 Mid-brain, 78, 93, 145* 

 MIESCHER, 15. 

 Mouth, 179, .182, 183. 

 Movements of the embryo, 223, 224. 

 Mucous layer, 45. 

 MUELLER, 92, 93, 133, 134, 156, 157, 



228; duct of M. 144; M.'s duct, 



126, 162 ; fibres of M., 107. 

 Muscles, episkeletal, 159. 

 Muscle-plates, 135, 136, 159. 



N. 



Nails, 205. 



Nasal labyrinth, 181 ; pits, 117, 145; 



processes, 180, 233. 

 Nasals, 235. 

 NATHUSIUS, ir. 

 Neck, 119. 

 Nerves; cranial, 137, 138, 147; 



glossopharyngeal, 147; optic, 107; 



pneumogastric, 147. 

 Neural canal, 53; tube, 37. 

 Notochord, 49, 57, 78, 156, 157. 

 Nucleus of Pander, 15; nucleus pul- 



posus, 158. 



O. 



Occipital bone, 227. 



Occipital condyle, 230, 233, 236. 



Occipital foramen, 227. 



OELLACHER, 20, 21, 22, 25. 



(Esophagus, 127. 



Olfactory vesicle, 117. 



Omphalo-mesaraic arteries, 66, 80, 



168, 202, 214; veins, 63, 69, 80, 



170, 202. 



Opening the egg, 240, 241. 



Opisthotic, 237. 



Optic cup, 97, 103; nerve, 107; 



vesicles, 76, 77, 94, 95, 96. 

 Osseous labyrinth, in 114. 

 Ossification, 206; of the cranium, 233, 



235 ; of the ear, 237. 

 Otic vesicle, in. 

 Ovarian ovum, 19. 

 Oviduct, 20, 1 68. 

 Ovum, descent of the, 21 ; primordial 



ova, 1 66, 167. 



P. 



Paired rods of cartilage, 227. 



Palatine, 233. 



Palatine rod, 230, 232. 



Pancreas, 133. 



PANDER, 5,71; nucleus of P., 15, 17. 



Parasphenoid, 235. 



Parietals, 235. 



PARKER, 177, 179, 225, 226, 228, 229, 



231, 232, 234, 236. 

 Parostosis, 233. 

 Parovarium, 167. 

 Pecten, 105. 



Pellucid area, 57. See Area pellucida. 

 PEREMESCHKO, 133. 

 Pericardium, 194. 

 Periotic capsules, 227. 

 Pes, 176. 

 PFLUEGER, 167. 

 Phalaijges, 176. 

 Pineal gland, 91. 

 Pituitary body, 91, 92, 227; di- 



verticulum, 92, 93; space, 178, 



227, 232. 



Pleuroperitoneal cavity, 38, 54. 

 Pneumogastric nerve, 147. 

 Portal vein, 210. 

 Posterior fissure, 187. 

 Post-frontal, 237. 

 Premaxillaries, 233, 237. 

 Prenasal cartilage, 231, 232. 

 Preservation of the embryo as a whole, 



252. 



Primary lung-vesicle, 131. 

 Primitive aortse, 66, 79; groove, 47, 



57; streak, 46, 47, 50. 

 Primordial ova, 166, 167. 

 Prootic, 237. 

 Proto vertebrae, 55, 57, 134, 151 



159- 



Pterotic, 237. 



