Chapter VI: The Subclass Metatheria or Didelphia 128

General characters, 128; Distribution, 131; Classification,
131.

_Suborder_ POLYPROTODONTIA 133

_Family_ DIDELPHYIDÆ, 133; _Chironectes_, 134; _Didelphys_,
135. _Family_ DASYURIDÆ, 136; _Subfamily_ Dasyurinæ, 136;
_Thylacinus_, 136; _Sarcophilus_, 137; _Dasyurus_, 138;
_Phascologale_, 139; _Sminthopsis_, 139; _Antechinomys_,
139; _Subfamily_ Myrmecobiinæ, 140; _Myrmecobius_, 140.
_Family_ PERAMELIDÆ, 141; _Perameles_, 142; _Peragale_, 143;
_Chœropus_, 143.

_Suborder_ DIPROTODONTIA 144

_Family_ PHASCOLOMYIDÆ, 144; _Phascolomys_, 145;
_Phascolonus_, 146. _Family_ PHALANGERIDÆ, 147; _Subfamily_
Tarsipedinæ, 148; _Tarsipes_, 148; _Subfamily_ Phalangerinæ,
149; _Phalanger_, 149; _Trichosurus_, 150; _Pseudochirus_,
151; _Petauroides_, 152; _Dactylopsila_, 152; _Petaurus_,
153; _Gymnobelideus_, 154; _Dromicia_, 154; _Distœchurus_,
155; _Acrobates_, 155; _Subfamily_ Phascolarctinæ,
155; _Phascolarctus_, 156. EXTINCT PHALANGEROIDS, 157;
_Thylacoleo_, 157. _Family_ MACROPODIDÆ, 158; _Subfamily_
Hypsiprymnodontinæ, 162; _Hypsiprymnodon_, 162;
_Triclis_, 162; _Subfamily_ Potoroinæ, 162; _Potorous_,
163; _Bettongia_, 163; _Caloprymnus_, 164; _Æpyprymnus_,
164; _Subfamily_ Macropodinæ, 164; _Lagostrophus_, 165;
_Dendrolagus_, 165; _Dorcopsis_, 166; _Lagorchestes_, 166;
_Onychogale_, 166; _Petrogale_, 167; _Macropus_, 167;
Extinct genera, 170. EXTINCT FAMILIES, 171; _Diprotodon_,
171; _Nototherium_, 171.

CHAPTER VII

THE SUBCLASS EUTHERIA AND THE ORDER EDENTATA 173

General characters and classification of Eutheria, 173.

ORDER EDENTATA 176

_Family_ BRADYPODIDÆ, 179; _Bradypus_, 181; _Cholœpus_, 182;
_Nothropus_, 183. _Family_ MEGATHERIIDÆ, 183; _Megatherium_,
185; _Scelidotherium_ and _Mylodon_, 188; _Promegatherium_,
189. _Family_ MYRMECOPHAGIDÆ, 190; _Myrmecophaga_, 190;
_Tamandua_, 192; _Cycloturus_, 193. _Family_ DASYPODIDÆ,
194; _Subfamily_ Chlamydophorinæ, 196; _Chlamydophorus_,
196; _Subfamily_ Dasypodinæ, 197; _Dasypus_, 197; _Xenurus_,
198; _Priodon_, 198; _Tolypeutes_, 199; _Subfamily_
Tatusiinæ, 200; _Tatusia_, 200; Extinct genera, 201.
_Family_ GLYPTODONTIDÆ, 202. _Family_ MANIDÆ, 204; _Manis_,
204; _Palæomanis_, 208. _Family_ ORYCTEROPODIDÆ, 208;
_Orycteropus_, 208. Bibliography, 211.