INDEX. 



133 



Nodosaria radicula. Fig. of, 42 

 Nodosaria pyrula, Fig. of, 42 

 Nonionina Barleeana, Fig. of, 42 

 Nonionina Jeffreysii, Fig. of, 42 

 Nonionina elegans, Fig. of, 42 

 Neozoic, 50 



Nummulites, 53, 55, 58 

 Nectosac, 84 

 Nectocalyx, 84 



OXYGEN, 4, 5 



Ovary, 17 



Orbulina universa, Fig. of, 42 



Orbitolites, Fig. of, 46 



Oldhamia antiqua, 48 



Ova, 108 



Organ-Pipe Coral, 120 



PROTOPHYTON, 1, 2 



Protozoon, 1, 2, 19 



Pericarp, 3 



Pollen grain, 4 



Plumule, 5, 10 



Phosphorus, 5 



Potassium, 5 



Physical force, 11 



Petiole, 12 



Pigment cells, 13 



Pistil, 17 



Protozoa, 19 



Pouchet, M., 24 



Pasteur, M., 24 



Pritchard, Dr., 25 



Paramaecium, 25, 26, 29 



Polygastrica, 26 



Peristome, 31 



Podophorya, 33 



Proteus, 34 



Podostoma, 36 



Protoplasm, 36 



Pseudopodia, 39, et passim 



Polystomella crispa, Fig. of, 42 



Permian strata, 49 



Paleozoic, Upper and Lower, 49, 50 



Pyramids, The, 55 



Pliocene, 55 



Physematium Mulleri, Fig. of, 63 



Plumularia pinnata,.Fig. of, 82 



Physophoridae, 86 



Physalia Pelagica, 86 



Physalia Caravella, 87 



Physalia utriculus, 88, 90, Fig. 



Pneumatophore, 89 



Pneumatocyst, 91 



Portuguese man-of-war, 91 

 Pelagia cyanea, Fig. of, 93 

 Phosphorescence of the sea, 99 

 Pennatula grisea, 118 

 Pocillopores, 121 



RADICLE, 5., 8, 9 



Reason, 11 



Ranunculus aquaticus, Fig. of, 13 



Respiration, 15 



Radiata, 19 



Radiolaria, 20, 58 - . . 



Rotatoria, 25 . 



Rhizopoda, 33' " Y , 



Reticularia, 37 



Rotalina concamerata, Fig. of, 42 



Rotalina concamerata (jun.), Fig. of, 42 



Rotalia, 53 



Reptiles in crust of earth, 53 



Rhizostoma Cuvieri, Fig. of, 94 



Rugosa, 129 



SEED, 4 



Starch, 5, 20 



Sodium, 5 



Silica, 5 . 



Sulphur, 5 



Sugar (grape), 5, 17 



Spongioles, 8, 14 



Stem, 10 



Silicic acid, 10 



Stomata, 13 



Stamens, 17 



Stigma, 17 



Style, 17 



Sponges, 20 



Stentor, 25 



Sarcode, 26, 38 



Stein, 29 



Spirilina arenacea, Fig. of, 42 



Schultze, Dr., 43 



Silurian, upper and lower rocks, 49 



Strabo on Nummulite, 55 



Sponges, 63 



Spiculae of Sponges, 66 



Somatic cavity, 78 



Sertularidae, 78 



Sertularia polyzonias, Fig. of, 81 



Somatocyst, 84 



Sclero-basic, 111 



Sclero-dermic, 111 



TRAIL, Dr., 21 



Trichocysts, 27 



Textularia variabilis, Fig. of, 42 



