Contents, _ vii. 
PAGE 
Ascog Church, ... 48 
The Grave of Montague Stanley, ... ... ... ... ... 48 
On the Rocky Promontory, Ascog, ... ... ... ... ... 48 
The Sea Urchin, ... ... ... ... ... ... ... 49 
The Spines and Shell Bands, ... ... ... ... ... 50 
The Sucker Arms, ... ... ... ... ... ... ... 51 
The Urchin and Chilton, ... ... ... ... ... ... 51 
The Mouth, or Mill of Urchin, 53 
Plates in Shell, 54 
Theory of Growth of Shell, ... ... ... ... ... ... 55 
Pedicellarise, ... ... ... ... . . ... ... , . 57 
The Work of Pedicellariae, ... 57 
Work of Skin, 59 
Work of Spines, ... ... ... ... ... 60 
Spine and Pivot, ... ... ... ... ... ... ... 61 
The Young Spines, 62 
CHAPTER VIII. 
On Ascog Bay, Bute, 63 
Sand Marks, 64 
Sand or Pleart Urchin, or Sea Egg, ... ... ... ... 65 
The Cockle, 68 
Cockle's Mode of Burrowing, 69 
CHAPTER IX. 
On the Way to Arran, ... ... ... ... ... ... 72 
The Maids of Bute, 73 
On Brodick Bay, 74 
The Scallop, or Clam, ... ... ... ... ... ... 75 
Origin of Name, ... ... ... ... ... ... . . 75 
