CONTENTS 13 



THE SENSES continued 



Vision continued PAGE 



Visual judgments - 807 



Blind spot - - - 812 



Rods and cones in vision - - 813 



Talbot's law - - - - 819 



Colour vision - ... 820 



Colour-blindness - - - 830 



Hearing .... . 837 



Smell and taste ... -847 



Tactile senses ..... 850 



Muscular sense - - 853 



CHAPTER XIV.' 



REPRODUCTION .... . 864 



APPENDIX 



INDEX - 



Regeneration of tissues 

 Reproduction in the higher animals 

 Menstruation 

 Development of the ovum 

 Physiology of the embryo 



864 

 865 

 866 

 866 

 869 

 878 

 879 



PRACTICAL EXERCISES. 

 INTRODUCTION. 



1. General reactions of proteids -20 



2. Special reactions of groups of proteids 21 



3. Carbo-hydrates 23 



4. Fats - - 24 

 Scheme for testing for proteids and carbo-hydrates - - [24^] 



CHAPTER I. 



1. Reaction of blood - - - .57 



2. Specific gravity of blood - - 57 



3. Coagulation of blood - - - - -58 



4. Preparation of fibrin-ferment - - 60 



5. Serum - - -60 



6. Enumeration of the corpuscles - 61 



7. Opacity of blood - - 61 



8. Laking of blood - - - 61 



9. Globulicidal action of serum .... 6 2 

 10. Blood-pigment - 62 



(1) Preparation of haemoglobin crystals - - 62 



(2) Spectroscopic examination of haemoglobin and its 



derivatives - 62-64 



(3) Guaiacum test for blood - - - 64 



(4) Quantitative estimation of haemoglobin - -65 



(5) Haemin test for blood-pigment - - 66 



CHAPTER II. 



1. Microscopic examination of the circulating blood - - 168 



2. Anatomy of the frog's heart - - 168 



3. The beat of the heart - - - - 168 



