INDEX 



491 



Orthoptera, auditory organs of, ii. 82 

 Oscillariae, abundance in the ocean, i. 9 

 Oscillataria, i. 54 

 Oscillation of land, Darwin's views on, 



ii. 140 

 Os coccyx, as rudimentary organ, ii. 



37 

 Ostrf.a, i. 22 



Ostrich, modification of wings, i. 162 



Outliers, plants as, ii. 8 



Outlines of Cosmic Philosophy, Fiske's, 



i- 333 

 Ovary, abnormal structure in orchid, 



ii. 304 



Owen, Sir Richard, biographical note, 

 i. 59 ; address at Leeds (Brit. Assoc., 

 1858) by, i. 178; admission of 

 descent of species, i. 304 ; articles 

 by, i. 145, 146, 149, 152, 236, 237, 

 242, 246; on a badger of Pliocene age, 

 i. 244 ; on the brain, i. 238 ; ii. 341 ; 

 Mrs. Carlyle's impression of, i. 309 ; 

 and Hooker, i. 149 ; conduct towards 

 Huxley, i. 153 ; Darwin abused by, 

 i. 202 ; on Darwin and Maillet, 

 i. 280 ; and Darwinism, i. 226 ; on 

 ephemeral influence of the Origin, 

 i. 200 ; ii. 338 ; Falconer and, i. 

 210, 232 ; Huxley on, i. 136, 178 ; 

 on Huxley's election to the Athe- 

 naeum, i. 90 ; ignores Darwin's work, 

 i. 133 ; influence of, i. 201 ; isolation 

 among scientific men, i. 226, 227 ; 

 lecture on birds by, i. 203 ; letters 

 to, i. 59-61 ; letter to the Athemzum, 

 i. 238; Life of,\. 226; on lowness 

 of animals, i. 413 ; on Macacus, 

 i. 206 ; on mammals of Old World, 

 i. 132, 133 ; on morphology of 

 vertebrata, i. 415 ; review in the 

 Quarterly of the Origin, i. 145-7, 

 149 ; Paleontology by, i. 227 ; on 

 parthenogensis, i. 102 ; review in the 

 Edinburgh Review by, i. 196 ; on 

 simple and multiple organs, i. 415 ; 

 on use and disuse, i. 203 ; and Bishop 

 Wilberforce's review, i. 156; visits 

 Down, i. 65 ; attack on Darwin in his 

 Anatomy of Vertebrata, ii. 377 ; atti- 

 tude towards Natural Selection, ii. 

 377 ; mentioned, i. 393 ; ii. 36, 156 

 Owls and hawks, as agents in seed-dis- 

 persal, i. 440 



Oxalis, bulbils of, ii. 348 ; cleistogamic 

 flowers of, ii. 308, 317, 318 ; dimor- 

 phism of, ii. 351 ; pollen- tubes of, ii. 

 312 ; seeds of, ii. 355, 374; trimor- 

 phism of, ii. 299, 348, 349 ; 0. 

 acetosella, sensitive leaves of, ii. 374; 

 variation in length of pistil and 



stamens, ii. 354 ; O. sensitiva, Dar- 

 win's work on, ii. 289, 412 ; ii. 374 ; 

 0. corniculata, variation of, i. 102 ; 



" 434 



Oxford, meeting of the Brit. Assoc. at 

 (1847), i. 156-8, 160, 178 ; ii. 218, 

 247; Tuckwell's reminiscences of, i. 



157 

 Oxlips, i. 252 ; Darwin's experiment on 



cowslips, primroses, and, ii. 311 ; 



Darwin on hybrid character of, ii. 



285, 372 ; scarcity of, ii. 372 

 Oxyspora paniculata, Wallich on, 



ii. 293 



PACHIRA, inequality of cotyledons, ii. 

 365 ; P- aquatica, ii. 365 



Pacific Ocean, Darwin wishes Hooker 

 to investigate floras of, i. 459 ; islands 

 of the, i. 134 ; coral reefs of. ii. 194 



Packard's Lamarck the Founder of 

 Evolution, ii. 342 



Paget, Sir J., on regeneration, i. 235, 

 363 ; address on elemental patho- 

 logy, ii. 425 ; illness of, ii. 106 ; on 

 influence of mind on nutrition, ii. 

 1 06 ; Lectures on Surgical Patho- 

 logy, ii. 106 ; letters to, i. 425-7 ; 

 mentioned, ii. 444 



Pairing, in birds, ii. 74 ; vigour of birds 

 and effect on time of, ii. 72 



Palaeolithic flints, in gravels near 

 Southampton, ii. 166 



Palaeontology, rapid progress of, ii. 13 



Palaeozoic period, ii. 121 



Paley, idea of interference of Creator 

 in construction of each species due to, 



i- 154 

 Pall Mall, article on "Dr. Hooker on 



Religion and Science " in, i. 308, 309; 

 letter to editor of, i. 324 



Pallas, Darwin's conviction of truth of 

 doctrine of, i. 274 ; doctrine of, i. 387 ; 

 on hybrids and fertility, i. 127 



Palm, Malayan climbing, i. 308 



Palm, L. H., work on climbing plants 

 by, ii. 342 



Palma, crater of, ii. 127 



Pampas, geology of the, i. 27, 220; form- 

 ation of, ii. 119 ; Lyell on Mississippi 

 beds and, ii. 124 ; D'Orbigny's theory 

 of formation of, ii. 119; thistle of the, 

 ii. 23 



Pangenesis, adverse opinion on, i. 348 ; 

 Bentham on, i. 299 ; ii. 371 ; Berkeley 

 on, i. 310 ; bud-propagation and, 

 i. 280, 281 ; Darwin on, i. 287, 320 ; 

 Darwin's suggestion as to term, i. 

 281 ; difference between Gallon's 



