Part 38

Palm-leaf, young, 145.

Penn, Mr., opinions of, 11.

Phenomena, evidence of, delusive, 337.

Plants of London clay, 67.

"Plastic power," 368.

Plates of tortoise, 250.

Plesiosaurus, 59.

Plumularia, 119.

Powell, Professor, opinions of, 26.

Prickly pear, 172.

Prochronism, 125, 346, 368. dependent on cyclicism, 354.

"Protoplast," opinions of, 23.

Pterodactyle, 62, 370.

Raindrops, 58.

Rattan, 145.

Rattlesnake, 247.

Reptiles, Marine, 16, 59.

Rhinoceros, fossil, 73.

Roots, aerial, of fig, 163. of iriartea, 139. of mangrove, 173. of pandanus, 138.

Rotifera, viviparous, 322.

Sackcloth of palms, 141.

Sandstone, age of, 50. new red, 56. old red, 42.

Saw-fly, eggs of, 317.

Scale of fish, 242.

Scarlet-runner, economy of, 113.

Screw-pine, 136.

Scripture, efforts to reconcile with geology, 5. literal sense of, 4.

Sea-urchin, 191, 305.