16 



Horse Hair (by Polarized Light), Mag. 90 diameters. 

 Section of Hoof of Horse, ditto. 

 Whalebone ditto. 



Microscope No. 7, Dr. Agnew. 



Photographs, — Lord's Prayer. 



„ Passage of Bonaparte over the Alx)s. 



Wing of minute Beetle. 

 Foot of Fly. 

 Coralline (2). 

 Wing of Gnat. 



Microscope No. 8, Dr. Bright. 



Proboscis of Blow Fly. 

 Ditto of common Fly. 

 Stings of Wasp. 

 Section of Human Tooth. 

 Ditto ditto Bone. 

 Poison Fangs of Snake. 

 Section of Sheep's bone . 



Microscope No. 9, Colonel Chesney. 



Transverse Section of Equisetum. 



Ditto ditto Eoot of Horse Chesnut. 



Ditto ditto Branch of ditto, 1st year. 



Petiole of Horse Chesnut. 



Ditto of Palm. 



Ditto of Tropical Plant. 



Living Infusoria. 



Microscope No. 10, Mr. W. Johnston. 



Spiculse from Holothuria, Mag. 350 diam. 



Tarsus of Fly, ditto. 



Spine of Echinus, ditto. 



Eye of Tabanus, Mag. 130 diam. 



Diatomacese from Bohemia, ditto. 



Diamond Beetle, ditto. 



Fossil Infusoria, &c., &c., ditto. 



Microscope No. 11, Mr. T. Giblin. 



Seaweed with Oscillatoria, Baccillaria, &c. 



Portion of Eye of Fly. 



Sting of Nettle. 



Beard of Periwinkle. 



Poison Fang of Black Snake. 



Volvox globator. 



Sulphate of Copper crystals. 



