"94 JOURNAL OF THE [July, 



13. Crystals of Chlorate of Potash, with polarized light : by 

 A. Woodward. 



14. Scales of Morpho Butterfly from Brazil : by Wm. Beuten- 



MULLER. 



15. Section of Cornstalk : byWn. Beutenmuller, 



16. Vinegar Eels, living : by Alfred Beutenmuller, 



17. The Oyster, examined microscopically and otherwise (Al- 

 cove No. 2) : by Geo. W. Kosmak. 



18. Bouquet made from Butterfly Scales : by E. A. Schultze. 



19. Arranged Diatoms from Santa Monica, Cal. : by E. A. 

 Schultze. 



20. Stellate Hairs on Leaf of Deutzia scabra, with polarized 

 light : by J. L. Wall. 



21. Pollen Grains of Lavatera in situ : by H. C. Bennett. 



22. The Di3imond Beetle, £nh'mus I'mperia/i's : by M. H. Eis- 

 ner. 



23. Silicious Cuticle of Equisetum, with polarized light : by 

 M. H. Eisner. 



24. Case for Microscope and Accessories, made of mother-of- 

 pearl : by M. H. Eisner. 



25. Cutting, Staining, and Mounting of Serial Sections by the 

 Paraffin Process (Alcove No. 3) : by L. Riederer. 



26. Section of the Abdomen of a Dragon-fly : by L. Rie- 

 derer. 



27. Transverse Sections of the Tongue of a Butterfly, Colias 

 Philodice : by L. Riederer. 



28. " Sea Spider," Phoxichilidium : by L. Riederer. 



29. Chromatophores or Pigment Cells in skin of common 

 Shrimp, Crangon vulgare : by Heinrich Ries. 



30. Red Earth -mite, Trontbidiiim : by Wm. Huckel. 



31. Yellow Ochre, pseudomorph after Siderite, New York 

 City : by James Walker. 



32. Sections of Dumortierite in Orthoclase, Oligoclase, Fibro- 

 lite. Serpentine, Scapolite, and Mica with inclusions, shown with 

 automatic revolving stage and polariscope : by James Walker. 



II, Specimens illustrating successive stages in Grinding and 

 Mounting Rock Sections : by James Walker. 



