2 7 6 



INDEX. 



42, 52 



Node, 42, 4 8, 55, 62, 70, 78 

 Notochord, 169 

 Nucleolus, 1 8 



Nucleus, of Amoeba, 18, 21; of 

 ovule, 70, 85; of Vorticella, 92, 

 94 



O. *..'. 



OBLIQUE muscles, 194 

 Occipital condyle, -216 

 (Enothera biennis, 87 

 (Esophageal artery, 1 7 

 GEsophagus, of Bell-animalcule, 



9> 935 of Anodonta, 109, 122; 



of Crayfish, 131, 148; of Frog, 



173, 208 

 Olfactory, lobes, 187, 239; nerves, 



187, '239; organs, 193, 249 

 Omosternum, 221 

 Opercular membrane, 163 

 Ophthalmites, 130, 153 

 Optic, commissure, 241 ; lobes, 



185, 240; nerves, r87, 241, 245; 



thalami, 186, 239; tracts, 241 

 Orbito-nasal nerve, 188 

 Organ of Bojanus, 1 10, 1 1 7 

 Os, cruris, 224;femoris, 224; pu- 



bis, 224 



Otolith, 121, 194 

 Ovary, of Anodonta, 112, 123; of 



Crayfis ; h, 147; of Frog, 183, 



264; of Hydra, 100, 106; of 



Lobster, 147 



Oviduct, 147, 148, 184, 208 

 Ovules, 70, 85 

 Ovum, of Anodonta, 112, 123; of 



Crayfish, 139 ; of Frog, 184, 



264 ; of Hydra, 100, 106 ; of 



Lobster, 139 



P. 



PALATINE, bone, 218; nerve, 188 



Pallium, 1 08, 114 



Pancreas, 174, 205 



Papillae, filifonnes, 195, ^50; fun- 



gifoi'mes, 195, 250 

 Parasphenoid bone, 2 1 8 

 Parenchyma, 57, 63, 64, 72, 79, 80 



Parieto-frontal bone, 2 1 7 

 Parieto-splanchnic ganglion, 112, 



1 20 



Pasteur's fluid, 6 

 Patheticus, nervus, 188 

 Pectoral arch, 172, 221 

 Pedal ganglion, 112, 120 

 Peduncle, 83 

 Pelvic arck, 172, 224 

 Pelvic vein, 179, 234 

 Penicillium, 30; Laboratory work, 



3.3 

 Pericardium, of Anodonta, in, 



116; of Crayfish, 133, 145; of 



Frog, 165, 20 1 ; of Lobster, 



133, H5 

 Perilymph, 194 

 Peristome, 90, 93 

 Periotic capsule, 171, 217 

 Peroneal nerve, 193, 233 

 Pes, 1 60, 225 

 Petal, 84 

 Petiole, 82 

 Phalanges, 223, 225 

 Pia mater, 238 

 Pigment-cells, 196, 261 

 Pineal gland, 186, 239 

 Pinnule, 55 

 Pistil, 70, 84, 85 

 Pith, 72, 79 



Pituitary body, 186, 241 

 Pleuroperitoneal cavity, 165 ; 



membrane, 165, 201 

 Plumule, 71, 86 

 Pneumogastric nerve, 191, 243 

 Pollen, 70, 85 

 Posterior commissure, 186 

 Posterior tibial nerve, 233 

 Prcecoracoid, 222 

 Prsenasal process, 1 70 

 Premaxillary bone, 217 

 Primine, 85 

 Primitive sheath, 257 

 Primordial utricle, 32, 45, 83 

 Pro-embryo of Chara, 47 

 Pro-otic, 217 

 Propodite, 151 

 Prosencephalon, 186, 239 

 Proteus Animalcule, 17 



