CONTENTS. 



LECTUEE III. 



On the MARsri'iALs, or Pouciied Animals (Metatiiekia). 



A Supposed Common Root 



stock, .... 

 Embryonic iSIembranes, . 

 Kmhiyo of Opossum, 

 New-born Kangaroo, 

 Early Life of a JIarsupial, 

 Miglity Hunters, 

 Feeding-Grounds, 

 The Earth's Shaking Fits, 

 Poucli-bearing Animals, . 

 An opposable Inner Toe, . 

 The .Skull in Marsiipials, . 

 Skull of Embryo I'ig, 

 Ear-drum of JIarsupials, . 

 Exit of the Optic Nerve, . 

 Links in the Chain of Life, 



r.age 



59 

 60 

 61 

 62 

 63 

 64 

 65 

 66 

 67 

 68 

 69 

 70 

 71 



LECTURE IV. 



Edentata. 



Distribution of the Edentata, 



Specialisation of Low Types, 



Nature's dull Children, 



The Struggle for Life, 



Dwarf Edentata, 



The Extinct Glyptodou, . 



Hair turned into Armour, 



The Aard-Yark, 



A stunted Genealogical Tree, 



Isolation of the F.dentata, 



Variation of the number in th 



Neck-Joints, . 

 Dying out of the Teeth, . 

 AVhen the A'ertebrata had no 



Lungs, .... 

 The Hard Palate, . 

 The Deep Things of Morphology 

 Skull of Sloth and Ant-cater, 

 Toothless Jaws, 

 The Feeble-faced Pangolin, 



90 

 91 

 92 

 93 

 94 

 95 

 96 

 97 

 98 

 99 



100 



101 



l(r2 

 103 

 104 

 105 

 106 

 107 



A n(!W Hinge for the Lower 

 Jaw, .... 



Nature's Amputations, 



Structure, Habits, and Classifi 

 cation of the Edentata, . 



Papers on the Edentata, . 



Ant-eaters and Pangolins, 



The Captive Pangolin, 



Strong Evidence for Darwinism 



Gigantic Sloths, 



Ant-eating Birds and Lizards, 



Food and Safety, 



Love of Oflspring, 



Mother Carey, . 



An Unclean Sacrifice, 



Southey as a Darwinian, . 



The Green Turtle and the Glyp 

 todon, .... 



Plucking up Cedars, . 



The (have of the Giant, 



108 

 109 



110 

 111 

 112 

 113 

 114 

 115 

 116 

 117 

 118 

 119 

 120 

 121 



122 

 123 

 124 



LECTUUE V. 

 Insectivora. 



Materials for Work, . 



Edentata and Insectivora com- 

 pared, ..... 



The First Beast-namer, 



Development of tli<- Wlialc and 

 the Bat, . . . _ • 



Organic Root-stocks, 



125 



126 

 127 



128 

 129 



Wasted Types, . . . .130 



Adaptive Changes, . . . 131 

 Ungulate Lemurs and other 



Generalised Types, . 132, 133 



The Number Five in Digits, . 134 



Plastic Types, . . . .135 



Layers of the .Skull, . . . 136 



