10 JOURNAL OF THE [January, 



17. Feathered-oar of Water-Boatman {Notonecta undulata) : by 

 A. G. Leonard. 



18. Sphceria pilifera, on Yellow Pine : by P. H. Dudley. 



19. Pencillium glaucu?n, on Potato: by Charles E. Pellew. 



20. Bacillus anthrax, in blood of Mouse : by Charles E. 

 Pellew. 



21. Scales from wing of Mosquito : by W. H. Bates, M. D. 



22. Moving Crystals of Tartrate of Lime : by H. M. Dick- 

 inson. 



23. Section of Human Scalp : by H. M. Dickinson. 



24. Section of Stigmaria, Coal fossil from Oldham, England : 

 by'F, W. Leggett. 



25. Bouquet of Butterfly Scales : by C. W. McAllister, 



26. Arranged Diatoms : by C. W. McAllister. 



27. Circulation of Blood in the tail of a Fish : by Walter H. 

 Mead. 



28. Siliceous Framework of Cuticle of Equisetum, or Scour- 

 ing-Rush : by Benjamin Braman. 



29. " File" of Katydid {Flatyphyllum comavum, Ha.rns): by 

 Benjamin Braman. 



30. Circulation of Blood in the Frog : by J. L. Wall. 



31. Some living animals from our Croton water : by W. E. 

 Damon. 



32. Plant-hairs, on Deutzia scabra : by W. E. Damon. 



33. Brucine : by F. Collingwood. 



34. Foraminifera from the Harlem river : by A. Woodward. 



35. A Group of Insect Eggs : by M. M. LeBrun. 

 Z6. Crystals of Silver : by M. M. LeBrun. 



37. Section of Coniferous Wood from Stomach of Mastodon : 

 by H. W. Calef. 



38. Feather of Sun-Bird {Cinnyris): by H. W. Calef. 



39. Comma Bacillus of Asiatic Cholera : by Lucius Pitkin. 



40. Sting of Wasp, with Poison Gland attached : by J. A. 

 Chambers. 



41 and 42. Pond-life : by W. G. DeWitt. 



43. Ovipositor of Saw-fly {Cwibex connata): by Ludwig 

 Riederer. 



44. Fibrous Malachite with Azurite (Carbonates of Coppery: 

 by C. S. Shultz. 



45. Hydra viridis : by C. S. Shultz. 



