SUBJECT-INDEX. 



59 



l, Prof. J., on heat absorption by 

 wat.T vapour, 1, 7. 

 14 Types, jX.-ifeistent,&quot; Iluxley on, 1 , 



Ur.ciB, dermal structure, 2, 2SD. 



Viva : cell multiplication, #, 18 ; outer 

 tissue, #, 239. 



Umbelliferce : floral symmetry, #, 150 ; 

 axial and foliar organs, 2, 511-G. 



Units : differentiation and dissimilarity, 

 1, 21 ; segregation and organic repair, 

 j?, 177-9, 179-82 ; chemical, morpho 

 logical, and physiological, 1, 182-3 ; 

 stability, 1, 275 ; instability and hete 

 rogeneity of organic, 1, 287 ; niorpbo- 

 logical composition, 2, 5, 7-9, 13, 75, 

 77; phsenogamic, 2, 69-71, 136; 

 annulose, 2, 97 ; incident force and 

 homologous, 2, 144; morphological 

 summary, #, 215. Physiological, (see 

 Physiological units). 



Unknowable, the, manifestations of, 1, 

 491. 



Up-symmetrical, definition, 2 } 11G. 



VAN BENEDEN, P. J., on tonta, 2, 95. 



Variation : Struthers on digllal, 1, 258- 

 60 ; effects of parental condition, 1, 

 260-2 ; of altered function, 1, 2G2-4 

 270-2; &quot;spontaneous,&quot; 1, 26 (, 272, 

 425, 480; 2, 500; dissimilarity of 

 initial conditions, I, 264-7,267-8,269- 

 70 ; persistence of force, 1, 271 ; phy 

 siological units, resume, 1, 286-91; 

 equilibration and vegetal, 1, 437- 9 j 

 equilibration of favourable, 2, 387. 



Vascular system : nutrition, 1, 118, 

 120 ; development, 1, 140 ; function, 

 1, 154-6 : of molliwa, 1, 158 ; func 

 tional differentiation and integration, 

 1. 161-3 ; organic repair, 1, 173, 177- 

 i); adaptability of, 1, 186; and in 

 creased function, 1, 191, 193 ; heart 

 development, 1, 375, 377; equilibra 

 tion, 1, 450 ; development of vegetal, 

 , 256-8, 262-8, 268-71, 381; diffe 

 rentiation of, summary, 2, 271-4, 381 ; 

 effect of gravity, 2, 298; differentia 

 tion of animal, 2, 3^7-34 ; mammalian 

 biood pressure, 2, 329 ; osseous deve 

 lopment, 2, 338-42 ; muscularity, #, 

 855; muscular colour, 2, 357-60; 

 repair and growth, 2, 361-4 j heart- 



motor apparatus, 2, 3CH ; differentia 

 tion and integration in animal, , 368- 

 72, 375 ; wood forv.iation, 2, 536-61; 

 resume oi wood formation, 2, 561-6. 



Vegetal (see Botany and Morphology). 



Velocity, of moving bodies, 2, 202-4. 



f ertebrata: size, i, 111; si/e at birth 

 and maturity, 1, 116 ; axial structure 

 1, 136 ; embryonic development and 

 Von Baer s formula, 1, 142-4 ; self- 

 mobility, 2, 147; functional differen 

 tiation, 1, 160; reparative power, 1, 

 175, 179 ; homogenesis universal, 1, 

 210 ; Huxley s deflnit on, 1, 307 ; 

 classification of higher, I, 308; distri 

 bution in time, 1, 325 ; classiflcatoiy 

 value, 1, 361 ; embryonic mammalian 

 respiratory system, 1, 369 ; direct and 

 indirect development, 1, 372, 375 ; 

 evolution and vertebral column, 1, 

 382 ; rudimentary organs, 1, 385; evo 

 lution and varied media, 1, 391-7 ; 

 size of head and vertebrse, 1, 421 ; 

 segregation and evolution of vertebra 3 , 



1, 427 ; adaptive segmentation, 2, 

 104-10, 111 , 208 : bilateral symmetry, 



2, 186-9 ; internal organic symmetry, 

 2, 191 ; genesis of rudimentary axis, 

 2, 195-9 ; origin of notochord, 2, 19J- 

 201 ; spinal segmentation, 2, 202-5, 

 208 ; skull development, 2, 205 ; 

 membranous, cartilaginous, and osseous 

 skeleton, 2, 207 ; resume, of axis 

 development, 2, 208 ; sensory organs, 

 2, 304; air chambers, 2, 322; osseous 

 differentiation, 2, 334-46 ; activity 

 and muscular colour, 2, 3 5 6- GO ; 

 heart-motor apparatus, 2, 366 ; cost 

 of genesis, 2, 416 ; ngamogenesis 

 unknown, 2, 426; growth an 1 genesis, 

 2, 433 ; heat expenditure and genesis, 

 2, 446-8, 453 ; Owen, theory of skele 

 ton, 2, 517-35; evolution of vertebrae, 

 2, 532-5 ; origin of type, 2, 567-9. 



Viviparous: homogenesis, 1, 210, 218; 

 heterogenesis, 1, 214-5. 



Volcano, definition of life, 1, 67, 70. 



Volvocinee : individuality, 1, 202 ; disin 

 tegration of genesis, 1, 216 ; spherical 

 aggregation, 2. 16 ; symmetry, 2, 122 ; 

 outer Ussue, 2, 234, 379; fertility,;?, 

 421. 



Vomiting, alimentary canal development, 

 2, 315. 



Voriicella: secondary aggregate, % y 82 

 symmetry, 2, 171. 



