Xll CONTENTS. 



CHAPTER III. 



INFUSOEIAL EARTHS. 



PAGE 



Diatoms of Guano Naviculse Navicula Hippocampa Pleuro- 

 sigma Meloseira Meloseira Borreri Achnanthes Longipes 

 SynedraUlna Bacillarise Gomphonema Licmopliora 

 Rhabdonema Grammatophora Marina Biddulphia Am- 

 phitetras Isthrnia Obliqua Arachnoidiscus Heliopelta 

 Actinocyclus Asteromphalus Asterolampra Coscinodiscus 46 



Desmidiacece Volvox Globator Closteriiim Confervae Zyg- 



nema Achyla Prolifera 54 



PAET II. 



OBJECTS FROM THE ANIMAL KINGDOM. 



CHAPTER I. 

 OBJECTS FROM THE ARACHNIDA. 



Spider's Foot Spider's Legs Spider's Spinnaret's Spider's 



Eyes Spider's Jaws Spider's Palpi Epidermis of Spider 61 



CHAPTER II. 



INSECT PAETS. 



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 Limnobia, of Hemerobius, of Panorpa Tongue of Cricket 

 Gizzard of Cricket Mouth, of Soldier Beetle, Calathus 

 Castelloides, of Brachinus, of Onthophagus, of Anchomenus, 

 of Crioceris, of Ladybird, of Stenopterus Rufus 68 



Antenna. Antennae of Cockchafer, of Nitidularia, of Hydrophilus, 

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

 of Argynnis Palpi of Argynuis Anteiinse of Dragon-fly, of 

 Silkworm-moth 83 



Spiracles and Trachea. Spiracles of Dytiscus Tracheae of Dy- 

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

 Larvae Aerating Leaflet of Libellula Abdomen of Ephe- 

 mera, or Spiracles 87 



