SUBJECT-INDEX. 



647 



396-401, 411; solar influences, I, 

 500; part played by, In organic 

 evolution, I, 508; causes of, II, 

 533-4. 



Milk, heat and supply of, II, 468. 



Milne-Edwards, H., " physiological 

 division of labour," I, 204; Weis- 

 mann's erroneous application of 

 it, I, 634; on ocular structure, II, 

 318. 



Mind (see Psychology). 



Mitosis (see Karyokinesis). 



Mobility, molar and molecular, I, 

 14; environment and self mobil- 

 ity, I, 177. 



Mohl, on phsenogamic growth, II, 

 82. 



Mole, modifications due to habits, 

 II, 391. 



Molecules: mechanically considered, 

 I, 14; stability, I, 337-40; nerve- 

 differentiation, II, 355-61, 379-82. 



Mollusca: axial development, I, 165; 

 genesis, I, 271, II, 444; her- 

 maphrodism, I, 341; classifieatory 

 traits, I, 392; distribution in 

 time, I, 405, 408, 410, 446-7; 

 trochophore and its relationships, 



I, 447, II, 10S, 109, 115; devel- 

 opment, I, 460; amphibious and 

 terrestrial, I, 481; indirect equi- 

 libration, I, 534; secondary ag- 

 gregation, II, 115-7; symmetry, 



II, 201-3; outer tissue, II, 310, 

 387; alimentary system, II, 325; 

 vascular system, II, 340-1. 



Molluscoida, II, 598. (See Polyzoa 

 and Tunicata.) 



Monocotyledons: growth, I, 138, 

 139, 143; uniaxial development, I, 

 165; cotyledonous germination and 

 endogenous growth, II, 59-62, 69- 

 72, 82-3, 181-2; absence of helical 

 phyllotaxy in Ravcnala, II, 182; 

 surface contrasts, II, 257; outer 

 leaf tissue, II, 263; wood forma- 

 tion, II, 278; growth and genesis, 

 II, 451. 



Monstrosities, in plants, II, 78, 541, 

 546; vertebrate, II, 118. 



Morgan, T. H., on regeneration of 

 Planaria, II, 102, 611. 



Morphology: facts comprised in, I, 

 125-6; morphological units, I, 190- 



2, 225; rudimentary organs, I, 

 472-5, 556; structural and func- 

 tional co-operation, II, 3, 239; in- 

 tegration, II, 4-6, 181-96; change 

 of shape, II, 6; formula of evolu- 

 tion, II, 7-9; as interpreted by 

 phylogeny, II, 10-6; evolution and 

 cell doctrine, II, 17-21. 

 Morphology, Animal: evolution and 

 segmentation of Articulata, I, 468- 

 9; vertebral column development, 



I, 470; simulated homologies, II, 

 14-5; primary aggregates, II, 85- 

 8, 123-4; secondary, II, 88-91, 124; 

 tertiary, II, 91-3; integration and 

 independence of individuality, II, 

 93-9, 124; annulose segmentation, 



II, 98-101, 106-10, 125-7, 602-7; 

 progressive annulose integration, 

 II, 100-5, 111-5, 121, 124, 223; un- 

 integrated molluscan form, II, 

 115-7; vertebrate segmentation 

 and integration, II, 117-23, 124-7, 

 223-4, 602, 606-7; motion and 

 symmetry, II, 183-5; symme- 

 try of primary and secondary ag- 

 gregates, II, 186, 187-91; of 

 compound Ccelenterata, II, 192-4; 

 simulation of plant shapes, II, 

 192; symmetry of Polyzoa and 

 Tunicata, II, 194; of Platyhel- 

 minthes and Echinoderms, II, 195- 

 7; of Annulosa, II, 197-201; of 

 molluscs, II, 201-3; of verte- 

 brates, II, 203-6, 208; similarity 

 of animal and plant, II, 206; cell- 

 shapes, II, 228-30; evolution and 

 generalizations summarized, II, 

 231-5. (See also Structure.) 



Morphology, Vegetal: simulated 

 homologies, II, 13-4; unicellular 

 plants, II, 21; aggregation and in- 

 tegration, II, 22-6, 78-9; pseudo- 

 foliar development, II, 2(5-8; 

 pseud-axial, II, 28-9: pseudo- 

 foliar and axial, II, 30-2; com- 

 position of Archegoniates, II, 33- 

 5; leaf development and aggrega- 

 tion, II, 37-42, 75-8; foliar homo- 

 logies, II, 42-6, 75-8; foliar and 

 axial development, II, 46-50, 541- 

 7; growth and development of 

 Archegoniates, II, 50-6; of Phre- 

 not'ams, II, 56-64, 78-80; axil- 



