CONTENTS XI 



PAGE 



CHAPTER IK continued 



ment, pointing to a Shell-bearing Ancestry The 

 Cephalopoda Habits Observations on Captive 

 Specimens Intelligence, Memory, Mimicry Chief 

 British Types of Molluscs Their Habitats, etc. 



CHAPTER X 

 THE BRACHIOPODA . 230 



CHAPTER XI 



CHORD ATA . . . . . . .231 



Balanoglossus Its Form and Habits and Habitats 

 Foreshadowing of the Vertebrate Type Species, 

 Geographical Range, etc. 



The Tunicates, Simple and Compound Anatomy 

 Development Relation to Vertebrata Methods of 

 obtaining and observing the free Tadpole Larvae 

 The Chief British Species and their Habitats, etc. 



Amphioxus Its Anatomy, Analogy to Tunicates and 

 Vertebrates Localities Erratic Occurrence 



CHAPTER XII 



VERTEBRATA ....... 248 



Breeding Places Mode of obtaining and determining the 

 Eggs Observing Development Habits, etc. Nest 

 = Builders Male Incubators, Mimicry, etc. 



The Chief British Forms and their Habitats Observa- 

 tions on Seasonal and Sexual Changes in Coloration, 

 etc. Existing Confusion in Labridae Sexes classed 

 as " Species," etc. 



CHAPTER XIII 



THE FAUNA OF THE MARITIME ZONE . . . . 276 



Coleoptera Thysanuridae, Arachnida. etc. A newly 

 discovered Acarid that mimics a Moss with Sporangia 

 (figured) 



