474 



ANALYTICAL INDEX 



u 



Uganda, overlapping of eastern 

 Danaine (Amauris) and western 

 Acraeine (Planema) models in, 338. 



Umbelliferae, E. picipes on, 255. 



undularis, Elymnias, female of 

 mimics Salatitra plexippus (genutia) 

 in N. E. India and Sikkim, and S. 

 hegesippus in Burma, 373. 



Ungulates, episematic markings in, 

 357- . 



Uniformity of conditions during de- 

 positions of stratified rocks, 17-19 ; 

 shown by flying organisms, 1 8 ; 

 shown by fossil trees, 18, 19 ; shown 

 by prints of raindrops, 19 ; of pat- 

 tern throughout nauseous groups, 

 reasons for, 234, 277-9 j of Australian 

 Hymenoptera Aculeata, 278. 



United States and Lamarck's 

 theory, 97, 98 ; opinions on evolution 

 in, 100 ; negroes unchanged by 

 many generations in, 178 ; mimicry in 

 butterflies of, 274 ; Terrapin (Macro- 

 clemmys) with worm-like lures in 

 southern, 378. 



Universal Review, 7. 



Unpalatability associated with 

 warning colours, 315 ; no defence if 

 food scanty, 269, 317, 317 n. 4. 



Unpalatable insects, special ene- 

 mies of, 317, 318. 



Unpleasant smell as a protection, 

 see smell. 



Untersuchungen iiber die Mimi- 

 cry, Erich Haase, 231, 318, 375. 



Upper Amazon, see Amazon, 

 Upper, 273. 



Uraniidae, Papilio mimicked by 

 moth (Epicopeid) belonging to, 371 ; 

 Papilio mimicking moth (Alcidis) 

 belonging to, 371. 



Uranium and radium, bearing 

 upon life of the sun of, 15 n. 2. 



uranoscopus, Ceratias, phosphor- 

 escent lure of, 378. 



Uric acid and derivatives in Pierine 

 pigments, 262, 263. 



urnaria, Ammophila, instincts of, 

 163. 



Uropteryx sambucaria, 150, 150 

 n. 2. 



urticae, Spilosoma, aposematic 

 attitude of, 324. 



urticae, Vanessa, struggle severe in 

 pupal stage of, 306 ; power of colour 

 adjustment of pupae of, 306. 



Usaramo (Rosako), E. Africa, ant- 

 like bug from, 254, 255, 255 (Fig. 3). 



Use and disuse of parts, hereditary 

 transmission of (use-inheritance) : 

 see also Acquired Characters ; La- 

 marck's theory and, 98 ; an attractive 

 conception, 101 ; transmission of 

 ' acquired characters ' involved by, 

 no; arguments against, 114, 115; 

 pangenesis and, 126 ; continuity of 

 germ-plasm and, 131, 132; heredity 

 and, 137; Natural Selection explains 

 effects apparently caused by, 137, 

 138. 



Utility, see also Natural Selection ; 

 Natural Selection and, 105-7 ; Palae- 

 ontology and, 107, 108 ; Kirby and 

 Spence on mimicry and, 221. 



Vail, see Macdougal, xix n. 5, 

 xxi, xxii. 



VALUE OF BRIGHTLY-COLOURED 

 SURFACES CONCEALED DURING 

 REST, X. 303, 304 : see also 325. 



Valvulina, an existing genus in the 

 Carboniferous, 27. 



Van Beneden, on the preparation 

 for fertilization of the germ-cells, 

 xxxi. 



Vanessa kaschmirensis, 285; 

 urticae, 306. 



Vanessidae, method of pupation 

 in, 151 ; pupae of, affected by gravity, 

 151, 152; compared with nauseous 

 groups as regards uniformity, 277 ; 

 species of, captured by king-crow, 285 ; 

 colour adjustment of pupae of, 306 ; 

 struggle for life in pupae of, 306. 



variabilis, Estigmenida, mimicking 

 Hispidae, 261. 



VARIABLE PROTECTIVE RESEM- 

 BLANCE IN INSECTS, V. 152-4: see 

 also 149, 150, and ADJUSTABLE 

 PROTECTIVE RESEMBLANCE, X. 

 304-7- 



Variation des Heliconia Thel- 

 xiope et Vesta, M. Charles 

 Oberthiir, 69. 



Variation, Heredity and Evo- 

 lution, R. H. Lock, xv n. 2, xvii n. I 

 and n. 2, xix n. 5, xx, xx n. 2, xxiv, 

 xxiv n. 2, xxvii, xxix, xxxvi, xxxvii 

 n. 2. 



Variation in Animals and 

 Plants, H. M. Vernon, xxxv n. 2. 



