IV CONTENTS. 



CHAPTER III. 



INFUSORIAL EARTHS. 



PAGE 



Diatoms of Guano Naviculae Navicula Hippocampa Pleuro- 

 sigma Meloseira Meloseira Borreri Achnanthes Longipes, 

 Synedra Ulna Bacillariae Gomphonema Licmophora 

 Rhabdonema Grammatophora Marina Biddulphia Am- 

 phitetras Isthmia Obliqua Arachnoidiscus Heliopelta 

 Actinocyclus Asteromphalus Asterolampra Coscinodiscus 42 



Desmidiacece Volvox Globator Closterium Confervae Zyg- 



nema Achy la Prolif era ... ... ... 50 



PART II. 



OBJECTS FROM THE ANIMAL KINGDOM. 



CHAPTER I. 



OBJECTS FROM THE ARACHNIDA. 



Spider's Foot Spider's Legs Spider's Spinnarets Spider's 



Eyes Spider's Jaws Spider's Palpi Epidermis of Spider 57 



CHAPTER II. 



INSECT PARTS. 



Tongues of Insects. Tongue or Proboscis of Hive Bee Tongue of 

 Wasp Butterfly's Tongue or Proboscis Proboscis or Tongue 

 of Blow-fly Proboscis of Tabanus, of Gnat, of Empis-fly, of 

 Dioctria Head of Conops, of Rhingia, or Syrphus, 

 of Drone-fly, or Helophilus, of Eristalis, of Tipula, of Lim- 

 nobia, of Hemerobius, of Panorpa Tongue of Cricket 

 Gizzard of Cricket Mouth of Soldier-beetle, Calathus Castel- 

 loides, of Brachinus, of Onthophagus, of Anchomenus, of 

 Crioceris, of Ladybird, of Stenopterus Rufus... ... ... 64 



Antennce. Antennae of Cockchafer, of Nitidularia, of Hydrophilus, 

 of Elater, of Syrphus, of Blow-fly, of Bee, of Ichneumon, of 

 Argynnis Palpi of Argynnis Antennae of Dragon-fly, of Silk- 

 worm-moth ... ... ... ... ... ... ... 79 



Spriacles and Trachece. Spiracles of Dytiscus Tracheae of Dy- 

 tiscus Spiracles of Cockchafer, of Fly, of Tipula, of Water 

 Larvee Aerating Leaflet of Libellula Abdomen of Ephe- 

 mera, or Spiracles ... ... ... ... ... ... 83 



