928 



INDEX 



MARCHAL 345 



MARCHIAFAVA 134 



MARINE 654 



MARROW, definition of 112 



MARSH 380 



M A R S U P I ALT A, marsu'pea'lia ( L. 



marsupium, a pouch ) 426 



Definition of 657 



MARSUPIUM, definition of 619 



MASSA INTERMEDIA 863 



MASSETER, masee'ter (G. maseter, a 



chew ) 81 



MA8TIGAMOEBA, mas'tigame'ba (G. 

 mastix, a whip + amoibe, change), 



definition of 149 



MASTIGOPHORA, mastigof'ora (G. 

 mastix, a whip + plioros, to bear) . 



127, 143, 149, 418, 427 



MASTOID, mas'toid (G. mastos, 



breast) 



The name of the protruding bone 

 directly behind the ear. 



MATERIALIST, definition of 175 



MATHEMATICAL SCIENCES 39 



MATRIX, ma'triks (L. mater, mother) 

 The ground substance of tissues. . . .110 



MATTER AND MIND 174 



MATURATION, mfit'urfi'shun (L. 



maturus, ripe), definition of 100 



MAXILLA, maxill'fi (L. maxilla, the 



jaw bone ) 48, 73 



MAXILLAE, maxill'a 313 



MAXILLIPEDS, maxll'ipedz (L. max- 

 illa + pes, foot) 313 



An appendage in Arthropods pos- 

 terior to the Maxillae. 



MEANDRINA 257 



MEATUS, mea'tus (L. passage), defi- 

 nition of 869 



MEATUS VENOSUS, definition of.... 501 

 MECHANICAL TISSUES, definition 



of 234 



MECHANICS 37 



MECKEL ..380 



MECKEL'S CARTILAGE, definition of ,61 6 



Diverticulum, definition of 628 



MEDIA, me'dia (L. medius, middle) . .335 



MEDIAL EYE 45, 66 



MEDIASTINUM, me'diiis'tinum, astl- 



nfim (L. mediastinum, servant) ... .755 

 MEDULLA OBLONGATA, medfil'a ob'- 

 long'gfita (L. medulla, marrow, pith 



+ oblongatus, oblong) 66, 839 



Definition of 845 



MEDULLARY, medd'ulayree (L. med- 

 ulla, marrow, pith) 812 



MEDULLARY CORDS, definition of.. 520 



MEDULLARY FOLDS, definition of.. 460 



Groove, definition of 460 



Plate, definition of 460 



Rays, definition of 231, 235 



Sheath, definition of 114 



MEDULLATED NERVE FIBERS, 



definition of 836 



MEDUSA, medu'sa (G. medousa, one 



who rules ) 251 



A jelly-fish. 

 MEGALOPS ATLANTICUS, meg'filops 



(G. megalon, great + ops, eye) ff.^ 



Larval stage of certain crusta- 

 ceans, conspicuous by large stalked 

 eyes. Habitat Atlantic ocean. 

 MEGALOPTERA, megalop'tera (G. 



megas, great + pteron, wing 423 



An order of N europteroidea. 

 MEGASPORANGIA, megasporan'ji'a 

 (G. megas, large; sporos, seed; 



anggeion, vessel) . 238 



MEGASPORE CONES, definition of.. 238 

 MEGASPOROPHYLS, meg'aspo'rofilz 

 (G. megas -f- sporos + phyllon, 



leaf ) , definition of 238 



MEIBOMIAN GLANDS, imbo'mian, 



definition of 673 



MEISSNER'S CORPUSCLE S6V, 



Plexus, a gangliated plexus of 

 nerve fibers in the submucous coat 



of the small intestine 87.9 



MELANDER 418 



MELANIN, mel'anin (G. melas, black), 



definition of 132 



MELANOPLVS DIFFERENTIALS. . .335 



Femur-rubrum 352 



MEMBRANOCRANIUM, definition of. 687 



MENDEL 162, 384, 388 



MENDELIAN THEORY 163 



MENTAL, men'tal (L. mentum, chin). 616 



MENTAL PHENOMENA 173 



MENTO-MECKELIAN, men'tomeke'- 

 Han (L. mentum, chin + Meckel) . . 72 



A cartilage bone present in a few 

 lower vertebrates at either side of 

 the union of the two halves of the 

 lower jaw. 



MENTUM, definition of 335 



MERIDIAN, FERTILIZATION, defini- 

 tion of 550 



HERIDOGASTRES 422 



An order of Lipoctena. 



MERISTEM, definition of 228 



MEROPODITE, merop'fxllt' (G. meros, 



thigh + pous, foot) 31 f f 



MER08TOMATA, merostdm'mata (G. 

 meros, thigh -f- stoma, mouth) .421, 42J) 



A class of Arthropoda. 

 MEROZOITES, merozo'Its (G. meros 



+ soon ) 152 



Definition of . . .132 



