78 JOURNAL OF THE [July, 



5. Grappling-hook Spicules of Sponge, Hyalonema : by J. D. 

 Hyatt. 



6. Atacamite {Chloride of Copper) : by J. W. Metcalf, M.D. 



7. Ruby Copper from Morenci, Arizona, shown with an 

 aluminium microscope, weight two pounds. Stage can be 

 lowered to the base to allow use of low-power objectives in 

 searching over large mineral specimens : by Prof. Wallace 

 GooLD Levison. 



8. Circulation of Protoplasm {Cyclosis) in the water plant Nitel- 

 la : by H. S. Woodman. 



9. Section of Human Intestine from a Case of Arsenical 

 Poisoning : by J. A. Gottlieb, A.M., M.D. 



10. Longitudinal Section of the Cells of the Endosperm of 

 Ivory Nut, Phytelephas viacrocarpa Ruiz and Pavon, shown with 

 polarized light, magnified 250 diameters : by Rev. J. L. Zabris- 



KIE. 



11. 12. Two Slides of Blood of Amphiuma stained by differ- 

 ent methods. In the Amphiuma, as in all amphibia, the blood 

 corpuscles are nucleated and of enormous size compared with 

 those of human blood : by F. D. Skeel, M.D. 



13. Fresh Water Shrimp, Gammanis pulex, by polarized light : 

 by William Wales. 



14. Tooth of Fossil Fish in Coal : by Frederick Kato. 



15. Eggs of Umbre Moth : by C. H. Denison. 



16. Skin of Sole, by polarized light : by F. Collingwood. 



17. Calamine (zinc silicate) from Franklin Furnace, N. J., 

 by polarized light : by J. W. Freckelton. 



18. Arranged groups of Diatoms : by George H. Blake. 



19. Head of Tapeworm, Tania Solium, showing the Rostel- 

 lum and Suckers : by L. Schoney, M.D. 



20. Trichina Spiralis, encysted in human tissue : by Thomas 

 S. Nedham. 



21. Pond Life : by W. J. Lloyd. 



22. Six Sections of Serpentines' from different localities, shown 

 on automatic revolving stage by polarized light : by James 

 Walker. 



23. Polycistina from Barbadoes Earth, illuminated by parabola: 

 by James Walker. 



24. Section of Bud of Lily : by Horace W. Calef. 



