INDEX 



803 



Malacocotylea, 249 See Digenetica 

 Malacostraca, 552*, 556, 566, 578, 579, 



581, 582, 586 

 Malaria parasites, 88, 89 

 Malleus (of Rotifera), 319 

 Mallophasa, 618* 



Malpighian tubes, 601, 609 : of Scor- 

 pion, 641 : of Arachnida, 652 : of 

 Tardigrada, 659 

 Mandibles -See Appendages 

 Manducation, 425* 

 Mantidce, 621 



Mantle, of Anodonta, 663, 666 : Pele- 

 cypoda, 680 : Amphineura, 694 : 

 Triton, 706 : Gastropoda, 722 : 

 Scaphopoda, 737 : Sepia, 741 : 

 Nautilus, 759 

 Mantle-groove, 363 

 Mantle lobes, 355 

 Manubrium, of Medusae, 130, 135 : of 



Obelia, 131 : of Brachionus, 319 

 Marginal lappets, of Aurdia, 168, 169*, 



178 



Marginal sense organs, 136* 

 Marginal tentacles, of Aurelia, 168, 



169* 



Marine Annelids, 429 

 Mastax of Hotifera, 319 

 Mastigamazba, 72, 73 

 Mastigophora, 45* : Example, 69 : 

 Classification, 71 : General organisa- 

 tion, 71 : Systematic position of the 

 example, 71 



Matrix of connective tissue, 27* 

 Maturation, 20*, 22 

 Maxilla See Appendages 

 Maxillary palp See Appendages 

 Maxillipeds See Appendages 

 Maxillulaj, 623* 

 May-flies, 618 

 Measly pork, 306 

 Mecoptera, 621* 



Medulla, of Actinosphcerium, 58, 59 : 



Monoci/stis, 82 : Paramcecium, 90, 91 



Medullarv sheath, of Nerve-fibre, 30*, 



31 



Medusa-buds, of Obelia, 130 

 Medusae, of Obelia, 135, 136 

 Megadrili, 455*, 456 

 Megagametes, of Flagellata, 79* : Spo- 



rozoa, 87, 88, 89 : ' Ciliata, 100, 101 

 Megagametocyte, 87, 88 

 Megalaesthetes, 699 

 Megalopa stage, 585 

 Megameres, 700, 730 : of Ctenophora, 

 215, 216 : of Polyclad, 268, 269 : of 

 Chiton, 700 : of Gastropoda, 730 

 Meganucleiis, of Dinoflagellata, 81 : 

 Paramoecium, 90, 91, 95 : of Ciliata, 

 95 



Megaspheric forms, 56, 57 

 Megaspores, of Radiolaria, 65 

 Megazooid, of Vorticella, 98, 99 



Meleagrina, 678, 692 



Meleagrina margaritifera, 692 



Melicerta, 321, 323, 324, 325 



Melolontha, 628 



Membranes, 26 



Membranipora, 340, 346 



Mentum, 605 



Meridional canal, 212 



Meroblas ic segmentation, 23* 



Merogony, 23* 



Merozoa, 249* See Polyzoa 



Merozoite, 86*, 87, 88 



Mesenchyme, 382 



Mesenteric filaments, of Sea-anemone, 



186* : of Flahellum, 203 

 Mesenteries, of Sea-anemone, 180*, 

 182, 185, 186, 190, 191 : Arrange- 

 ment in Actinozoa, 196 

 Mesenteron, 186, 640* 

 Mesoblast, 24* 

 Mesoderm, 24*, 216 

 Mesoderm bands, of Asearis, 304 : of 



Periplanetct, 614 



Mosogloea, 111*, 112 : of Obelia, 132* 

 Mesonemertini, 291* 

 Mesopoclium, 706, 719 

 Mesosoma, 638* 

 Mesostomum, 267 

 Mesothorax, 606 

 Mesotrochal, 474* 

 Mesozoa, 227 



Messmateism See Commensalism 

 Metabolism, 13* 

 Metacrinus interruptiis, 415 

 Metagenesis, 41'* : of Foraminifera, 57, 

 58': Obelia, 141 : Leptolinse, 152 : 

 Trachylinse, 156 : Aurelia, 172 : 

 Liver-Fluke, 240 : Tcenia, 246 : 

 Platyhelminthes, 270 : Nematoda, 

 304 



Metameres, 43*, 510 

 Metamerism, 510, 511 

 Metamorphosis, of Trachylinse, 156 : 

 Sea-anemone, 191 : Platyhelminthes, 

 268 : Nemertinea, 290*: Phoronis, 

 351, 352 : Asterina, 381 : Echino- 

 dermata, 421 : Anteclon, 423 : Chse- 

 topoda, 475 : Apus, 525 : Crustacea, 

 582 : Insecta, 634 



Metamorphosis, retrogressive See De- 

 generation 

 Mctanauplius, 526 

 Metanemertini, 291* 

 Metapodium, 706, 719 

 Metathorax, 606 

 Metazoa, 20*, 106 

 Metentera, 186* 

 Micrsesthetes, 699 

 Microdrili, 45o*. 463 

 Micro^ametes, of Flagellata, 79* : Spo- 



rozoa, 86, 87, 88 : Ciliata, 100, 101 

 Microgametocyte, 88 

 Microgromia, 51, 52 



