"jorna^FlrS^^^ I^oyal Micwseopical Society. 83 
Oegans of Eespiration. 
Tracheas and Spiracles of Insects. I Brancliia of Crustacea. 
Gills of Fishes. | Air Bladder of Fishes. 
Lungs. I Bronchi and Trachea. 
Ductless Glands adjoining Trachea. 
Thyroid Body. | Thymus Gland. 
JsTervous System. 
Invertehrata. 
Verfehrafa, 
Spinal Cord. In Mammals generally. — In Man. 
Brain „ 
Professor Lenhossek's Series of Preparations to illustrate the 
Structure of the Spinal Cord and Brain in Man. A descriptive 
Catalogue accompanies this series. 
Membranes of the Brain : — Pia Mater. Choroid Plexus. 
Structure of Nerves. 
Organs of the Senses. 
Organ of Hearing. \ Organ of Smell. 
Organ of Vision. 
Sclerotica and Cornea. Choroid. Iris. 
Eetina. Crystalline Lens. 
Accessory Organs of Vision. 
The Eyelid. Nictitating Membrane. Meibomian Glands. 
Lachrymal Gland. 
External Integument.. 
The Skin. Subseries Skin after process of Tanning. 
Tegumentary Appendages : — Claw and Nail. Hair. Feathers. Horn. Hoof. 
Organs of Circulation. 
Blood Corpuscles in Invertebrates and Vertebrates. 
Lymphatic Glands. 
Blood Vessels. The Heart. 
Muscular System and Joints. 
Muscle. Joints. Tendon and Ligament. 
Membranes, &c. 
Synovial Membrane. 
Serous Membranes : — Pericardium. Pleura. Peritoneum. 
Fat, &c. 
Urinary Organs. 
Kidney. Pelvis of Kidney and Ureter. Urinary Bladder. 
