56 



THE MICROSCOPE. 



Apr. 



45. Head of cock roach, (blatta orientalis) 



46. Slide of arranged diatoms, 



47. Cheese-mite (tyroglj^phus siro). 



48. Pond life. 



49. Wood section Wellingtonia gigantea. 



50. Section, stem of clematis. 



51. Duodenum of frog (injected). 



52. Head of house-fly (musca domestica). 



53. Fat crystals (by polarized light). 



54. A series 



55. of slides 



56. illustrating 



57. various 



58. forms of 



59. plant structure. 



60. Butterfly scales, arranged in a bouquet. ^ 



61. Genesis chapt.. i, (Darwin). [ ,, t tvt -j- 



62. Wing of diamond beetle. f ^^^- J-^^-^ ZnAQA. 



63. Section ofstem of dog rose, through spine. J 



Bach exhibit will have a card numbered to correspond with its 

 number in this program. 



I Dr. H. W. R01.LINGS. 



Mr. W. E. Schneider. 

 Dr. W. H. Seaman. 



> Dr. E. G. SEibert. 



Dr. D. K. ShuTE. 



Dr. J. T. SOTHORON. 



Dr. Thomas Tayi^or. 

 Mr. a. F. Woods. 



$ie IJlier©5e©pes Used m {Ms Soiree ore Qg ¥oUows 



Of Rnjericari Ma^ufactiire. Of Foreigr) Mariiifacture. 



Bausch & Lomb, Mcintosh, 

 Queen, Wales, Zentmayer. 



Beck, Crouch, Hartnack, 

 Seibert, Reichert, Swift, Zeiss. 



Suggestions for Cell Making, Mounting with Glycerine and 

 Finishing Mounts. 



By MAGNUS PFLAUM, 



PITTSBURGH, PA. 



[Roster of a demonstration before the Microscopical Society Feb. 13, 1894.] 



I.— APPARATUS AND MATERIALS REQUIRED. 



A. — For cell making. 

 apparatus. 

 Turn table. 

 Spirit lamp and stand. 



Small vessel for melting paraffine. 

 Camel-hair pencils. 

 Small strips of common writing pa- 

 per. 

 Scissors and forceps. 



materials. 

 Clean slips. 

 Asphalt cement. 

 Bees wax. 

 Parafi&ne. 

 Mucilage. 

 Gum tragacanth. 



