454 



ANALYTICAL INDEX 



carrying ants by, 260 ; procryptic 

 resemblance to leaf of Plcrochroza, 

 a genus of, 302 ; value of bri;;ht hind 

 wings of Ot'dipoiia^ a genus of, 303, 

 304 ; colour adjustment of, 307 ; 

 specially defended insects attacked 

 by predaceous, 31 S ; colours of pro- 

 cryptic and pseudcpisematic, 378, 

 378 n. 3 ; bug mimickcil by larva 

 of, 378 n. 3. 



Osborn, Professor H. F., on early 

 evolutionary ideas, 56 n. 2, 175; 

 on Lanian k and Erasmus Darwin, 

 141. 



Ostracodes in Cambrian and 

 Silurian, 39. 



Otter or ancon sheep, sudtlcn 

 origin of, 1S5. 



Ovipositors possessed by Car- 

 boniferous cockroaches, 36. 



Ovum (see also 'germ-cells'): 

 Natural ."-election decides between, 

 xxxvi, xxxvii, xxxvii n. I, 73 n. i, 

 '35> '^3 5 variation prcdetennincd 

 in, 137, 183. 



Owl and owl's egg, riddle of the, 

 xxxvi. 



Oxford, experiments on colour 

 adjustment of caterpillars at, 306, 

 307 ; colour of Clconus at Boar's 

 Mill and at Shotover Hill near, 307 ; 

 darkening of moths at, 309. 



Oxford, St. John's College, J. C. 

 Prichard a member of, 173; and 

 gentleman commoner of Trinity 

 College, 173. 



Oxford University Gazette 

 (1905), 218. 



Oxford University Museum, A. II. 

 Thayer's model in, 299 : see also 

 Hope Department. 



Oxlip, Hardfleld, shown by Darwin 

 to be a true species, xxviii. 



Oxlip common, shown by Darwin 

 to be a hybrid, xxviii. 



Oxylynima gibhiiollis^ 237. 



P 



Pachypro) a fnoiiior, 283. 



Pai^^urus beruliardiis, 356 ; — 

 Lii'UtcNsis, 357 ; — pridi'diixii, 357. 



Pahpoon, Tenasserim, nest of 

 Microhicrax found near, 290. 



' Painted Lady ' butterfly, 85. 



Palaeacridiidae (Acridiidae) of 

 Commcntry Carboniferous, 36, "i"] . 



Palaearctic localities of Atliyma 



and Linienitis mimics of male //. mi- 

 sippus^ and their model in British 

 Museum (Leech Coll.), and as given 

 by Monsieur Ch. Oberthur, 382. 



l'alaeoblattidac(Blattidae) of Com- 

 mentry Carboniferous, 36, 37. 



Palaeodictyoptera, the Palaeozoic 

 insects, 34, 35. 



Palaeontology, limited records of, 

 100, 107, 108 ; Mutation and, 1 10. 



Palaeophonus, possibly an aquatic 

 scorpion, 40. 



Palaeozoic, waste and sedimenta- 

 tion in, 16; tranciuil deposition in, 

 17; tides, 17; insects, 18, 34-8; 

 corals, 28 ; Graptolitcs, 28 ; Verte- 

 brata, 30; Mollusca, 30, 41-2; 

 (iephyrea, 30, 42-3; Echinoderma, 

 30, 43 ; Appendiculata, 30 ; Arthro- 

 poda, 34-41 ; Myriapoda, 34; Phyl- 

 lopoda, 39; Malacostraca, 39, 40; 

 Phyllocarida, 39, 40 ; Arachnida, 40, 

 41; Pteropoda, 41, 42; Pterido- 

 spermeae, 45 ; Gymnosperms, 45 ; 

 Cordaiteae, 45. 



Pallas on origin of domestic 

 animals from more than one wild 

 species, 83, 84. 



palliata, Admnsia^ carried by 

 Piii^^urus prideauxii, 357. 



palinnbi/s, ( oluniba, fertile pairing 

 with domestic pigeon, ^"^^^ 84. 



Pammon, PapUio^ 373 • seG.poh'/es. 



pavipJiilus^ Co€)ionyi>ipha, ' eye- 

 spot * of, examined by lizard, 210. 



Pangenesis, Darwin's theory of, 

 123, 124; gemmules of, 124-6; dia- 

 gram of, described, 123, 124, 126; 

 inheritance of acquired characters 

 and, 123-7; difficulties of, 124-7; 

 mutilations and, 125 ; transfusion 

 of blood and, 125 ; grafted tissues 

 and, 125-6; atavism and, 125 ; use- 

 inheritance and, 126; diagram of 

 use-inheritance in relation to, de- 

 scribed, 126. 



Panmixia, W. liateson on, xxxvii 

 n. 2. 



Pantopoda in classification, '>,'>). 



/\uifi>poria, sec AthyDia^ 3S2. 



Paper, importance of quality of, 

 170-2. 



Papimo dardanus (merope), 

 '^- 373-6: see also 57, 57 n. I, 71, 

 72, 72 n. I, 337, 338, 354, 355» 1>1^^ 



371, 373-5- 

 Papilto ages/or, 27 1 ; — (Drurya) 



