45 



33 Section of the Cavern of Gailen- 



reuth (Hartz.) 



34 Sandstone Columns in Switzer- 



land. 



35 Skull of Mosasaurus. 



30 Temple of Serapis (Pozzuolo). 



37 The Dodo (an extinct bird.) 



38 Convoluted Strata. 



39 Skeleton of Ichthyosaurus. 



40 Diplacanthus Striatus. 



Class XXX Natural Phenomena. 



TWENTY SLIDES, PER SET, $45.00. 



1 Rainbow. 



2 Tempest. 



3 Aurora Borealis. 



4 Ilatos. 



5 Fata Morgana. 



6 Will of the Wisp. 



7 Water Spouts. 



8 Sand Storm. 



9 Geysers. 



10 Palls of Niagara. 



11 Drooping Well. 



12 Coral Reefs. 



13 Caverns. 



14 Fingal's Cave. 



15 Perforated Rocks. 



16 Glacier, Mt. Rose.' 



17 Glacier Tables. 



18 Icebergs. 



19 Volcanos. 



20 Prairie on Fire. 



Class XXXI Anatomy and Physiology. 



TWENTY SLIDES, PER SET, $30.00. 



1 Human Skeleton. 



2 Human Skull. 



3 Section of the Spine, <fcc. 



4 Teeth, and structure of same. 



5 Muscles, front view. 



6 Muscles, back view. 



7 Muscles of the head, neck, and 



face. 



8 General view of the Digestive 



Organs, in place. 



9 The Digestive Organs. 



10 The Stomach, Liver, and Pan- 



creas. 



11 The Thoracic Duct. 



12 Heart and Lungs. 



13 Diagram of Circulation. 



14 Skin and structure of same. 



15 Brain and Spinal Cord. 



16 General view of the Nerves. 



17 Fifth Pair of Nerves. 



18 Facial Nerves. 



19 Diagram of the Eye. 



20 Anatomy of the Ear. 



A set of 22 slides on Anatomy, copied from 22 plates in Iconographic 

 Encyclopedia (from plate 119 to plate 140 inclusive), on glass three laches 

 square. These, and illustrations of which we have the negatives, will be 

 furnished at $2.50 each. Illustrations of which the negatives must be 

 made to order, will be furnished at $3 each. 



Class XXXII Microscopic Anatomy. 



TWENTY SLIDES, PER SET, $30.00. 



1 Tessellated and Ciliated Epithe- 



lial Cells. 



2 Human Blood Discs, and Blood 



Discs of Frog. 



3 Longitudinal and transverse sec- 

 tions of Bone, Lacunae, and 

 Canaliculi, highly magnified. 



