6 Spectra of Potassium, Rubid- 



ium, Sodium, and Lithium. 



7 Spectra of Carbou Comet II, 



Brorsen's Comet (18o8), Spans 

 and Nebuife. s\ 



8 Spectra of Aldebarfp, and Al- 



pha Orionls. ' x *~3f 



9 Kirch off 's Map (from 194 to 220) 



and Rutherford's Photograph 



of same. 



5 10 Spectra of Chlorophyll. Chlo- 

 "Jg ride of Uranium, Magema, 



and Blood. 



11 Ga^siot's Spectroscope. Made 



by Browning. 



12 Huiigtn's Map of Metallic 



Lines, from 320 to 279 j. 



13 Huggin's Map of Metallic 

 \ Lines, from 2790 to 5250. r rt , 

 14 N Huggin'8 Star Spectroscope:?- > 



15 Map of Solar Spectrum, from 'U 



:ss to 163. 



16 Map of Solar Spectrum, from 



102 ! o 287. 



17 Map of S >lar Spectrum, from 



!i"3 to 4U6. 



18 CoincideHce of Spectrum of 



Irou with 65 of the Fraun- 

 hofer Lines. 



19 Spectra of the Sun, Chromo- c 



sphere Prominences aad Cor- J 

 ona. 



20 The Atmospheric Lines. / ^ J 



N 



Class XXXVII. Geological Landscapes, etc. 



PER SLIDE, $2.50. 



1 Silurian Period. 



2 Devonion Period 



3 Transition Period. 



4 Carboniferous Period. 



5 Forest of Coal Period. 



6 Permian Period. 



7 Tnassic Period. 



8 Conchylian Sub-Period. 



9 SaliferouN Period. 



li Lower Oolito Period. 



11 Lower Cretaceous Period. 



12 Cretaceous Period. 



13 Eocene Pe'iod. 



14 Miocene Period. 



15 Drift Period. 



16 Recent Period. 



EXTINCT ANIMALS. 

 From Originals by TVaterhouse Hawkins. 



1 Plesiosaurus,Teleosaurus. Tcb- 



thyosaurus, I'e itxcrinitt-s, 

 Ammonites Gryphaea. 



2 Megalosaurus, Pterodactyle. 



3 Iquanndnn, Hylseosaurus. 



4 Anoplot berium Com mn n e, 



Anoplo'herium Graciie, Pa- 

 Ijeotherium. 



5 M-Katherium Glyptodon. 



6 Elephas PrimigeneouB, Hyae- 



na Speleea, Hippopotamus 

 Major, Ursus Spelseus, Mach- 

 airodus Latidens. 



Class XXXVIII. Society Emblems. 



The Oil Scioplicon, with tlie improved and enlarged society slides 

 now used with it, renders the projected emblems remarkably vigorous 

 and impressive. Special slides will be made to order from furnished 

 d< -signs f^r $3.00 ear* h. 



We are well prepared to furnish slides suitable for social entertain- 

 ments, which in many cases greatly increase the usefulness of <* 

 society outfit. 



KNIGHTS TEMPLAR. 



PER SLIDE, $2.50. 



FIRST PART. 



1 Monument. 



2 The Three Marys at the Sepul- 



chre. 



3 The Ascension. 



SECOXD PART. 



4 Resurrec'ion of Lazarus. 

 6 The Crucifixion. 



6 IVsce t into the Grave. 



7 The Resurrection. 



8 The Cross. 



9 Pilgrim. 



10 Wan ior. 



11 Penitent. 



12 Christ on the Cross. 



13 Angel of Death. 



14 Skull. 



15 John's Vision. 



16 Faith. 



17 Cross and Crown. 



