Macrorhinus . . F 
Macroscelides ‘ . 
Macrura 3 ' * 
Madreporaria ‘ 7 
Madreporic plate of brittle-star 
3 >) Of sea-urchin 
+> », Ofstar-fish . 
Malacobdella : , 5 
Malacostraca a 
Malapterurus, electric organ of 
Malar or jugal. : ‘ 
Malaria parasites . 
Malleus of ear. 
Malpighian body of kidney 
tubule 5 
2 tubules of cock- 
roach 
Mammalia . 5 j c 
33 development of 
x general characters 
of : 
ee 55 classifica- 
tion of 
life of 
” 3 
- ar survey of 
35 history of 
Mammary glands . 
Mammillary body : 
Mammoth . F 
Manatee (Manatus) F 
Mandible of crayfish. 
Mandibular arch of Verte- 
brates . . 
Mandril , F : F 
Manis . . - - 
Mantle of Molluses A . 
Manubrium of sternum . . 
5 of swimming-bell 
Many-plies . . : . 
Marmosets . ‘ r 
Marmot : 
Marsipobranchii (see Cyclo: 
stomata) i ‘ 
Marsupial bones . 7 F 
Marsupials . . . 
ya families of . . 
Marsupium . . . 
Marten 7 . . F 
Mastodon . 5 ; . 
Mastoid process . . . 
INDEX 
PAGE 
779 
781 
309 
164 
261 
264 
255 
201 
298 
32 
ai 
121 
605 
511 
Maturation . . 
Maxillee of crayfish - 
», of Insects 
>» of Myriopods . 
>», Of Vertebrates . 
Maxillipedes of anal 
May-flies 
Meckel’s cartilage. 
Medulla . A 
Medullary canal 
7 groove. 
Medusze : 
Medusoids 
Megachiroptera 
Megalopa . 
Megalosaurus 
Megascolides . . 
Megatherium , . 
Meibomian gland . 
Meiotic division 
oe ee we 
Meles . 
Mellivora , ‘ 
Membrane bones . 
Membranipora . 
Mendel’s Law 3 
Menognatha. . 
Menorhyncha . : 
Mento-meckelian . . 
Mentum of cockroach . 
», _ of Insects : 
Mephitis ‘ 
Merlia . ‘i * s 
Mermaid’s purse . . 
Mermis ‘ . 
on 
Meroblastic segmentati 
Merozoite  . é : 
Mesencephalon . : 
Mesenchyme cells F 
Mesenteric filaments 
Mesenteries of sea-anemone . 
Mesenteron . . 
Mesentery 
Mesoderm (or mesoblast) 
8 segments 
Mesogloea . . 
es of Coelentera 
a3 of Sponges 
Mesonephros . 
Mesoplacentalia . 
Mesopterygium . 
ee ay fe is 
iS) 
80 
BS 
