46 



4 Muscular Fibres, Fasciculus, and 



Sarcolemma. 



5 Vertical and horizontal section 



of Stomach, Follicles, and 

 Tubes. 



6 (A) Capillary Circulation of 



Frog's Foot; (B) Capillaries 

 of Air Cells of Human Lungs ; 

 (C) Capillaries of Villi of the 

 Jejunum. 



7 Origin of Hepatic Veins and Bile 



Ducts of the Liver Lobules. 



8 A Human Malpighian Corpuscle 



and transverse section of Su- 

 pra-renal Capsule. 



9 Nerve Tubes, Cells, and Ganglia. 

 10 Transverse' section of Human 



Spinal .Cord, close to the third 

 and fourth Cervical Nerves. 



11 Pus; (A) from Abscess ; (B) Mu- 



cus Corpuscles from Schnei- 

 derian Membrane ; (C) Mucus 

 Corpuscles speckled with Pig- 

 ment Granules from Larynx. 



12 Urinary Deposits; (A) Uric 



Acid ; (B) Oxalate of Lime ; 

 (C) Triple Phosphate. 



13 Fatty Degeneration of the Liver. 



14 Tubercle; (A) in Air Cells of 



Lungs ; (B) Miliary. 



15 Scirrhous Growth from Mam- 



mary Gland. 



16 Taenia Solium. 



17 Oxyuris Solium. 



18 Trichina Spiralis, mature and in 



cyst. 



19 Liver Fluke, Distoma hepatic um. 



20 Thrush Fungus, Oidiiim albi- 



Class XXXIII Optics. 



TWENTY SLIDES, PER SET, $30.00. 



1 Reflection of Light. 



2 Formation of Image by Plane 



Mirror. 



3 Foci of Concave Mirrors. 



4 Formation of Image by Concave 



Mirror. 



5 Do. by Convex Mirror. 



6 Refraction of Light. 



7 Laws of Refraction and total Re- 



flection. 



8 Refraction in Body with Parallel 



Sides. 



9 Forms of Lenses. 



10 Formation of Image by Convex 

 Lens. 



11 Formation of Image by Convex 



Lenses. 



12 Do. by Concave Lens. 



13 Spherical Aberration. 



14 Action of Prism Chromatic Dis- 



persion. 



15 Chromatic Aberration Achrom- 



atic Prism and Lens. 



1 6 Diagram to explainWavo Lenn;thi 



17 Double Refraction Iceland Spai 



Nichol Prism. 



18 Polariscope, &c. 



19 Colored Rings in Uniaxial Crys- 



tals with Polarized Li.^ht. 



20 Do. in Unannealed Glass Cube. 



Class XXXIV The Microscope and its Revelations. 



SLIDES, PER SET, $30.00. 



1 Tolle's Student's Microscope. 



2 Collins' Binocular Microscope. 



3 Diagrams. No. 1. Compound 



Microscope. 2. Huyghenian 

 Eyepiece. 3. Ramsden Eye- 

 piece. 4. Chromatic Aberra- 

 tion. 



4 Diagrams. No. 1. Simple Micro 



scope. 2. Spherical Aberra 

 tion. 3. Diaphragm. 4. Ach> 

 romatio Objective. 5. Hi^h. 

 and Low Angle of Aperture. 



5 Sheep Tick. 



6 Human Head Louse. 



7 Dog Flea. 



8 Larva of Mosquito. 



