1893.] NEW-YORK MICROSCOPICAL SOCIETY. 117 



volving Stage by polarized light. Also specimens of the stones 

 from which the sections were cut : by J. Walker. 



26. Polycystina: by J. Walker. 



27. Section of the Human Tongue : by C. S. Shultz. 



28. Eggs of Various Insects, arranged : by C. S. Shultz. 



29. Type Slide of Diatoms, arranged by D. B. Ward : by 

 A. M. Edwards. 



30. Circulation of Protoplasm (Cyclosis) in Nitella : by M. 

 M. Le Brun. 



31. Young Codfish, one to three days old : by H. W. Calef. 



32. Transverse Section of the Leaf of the East India Rubber 

 Tree, Ficus elastica, showing fibres, ducts, stomata, and cell 

 tissue : by Frederick Kato. 



2,Z-2>^. Living and Pictorial Illustrations of Several of the 

 Lower Forms of Animal and Vegetable Life : by Stephen 

 Helm. 



37. Pond Life : by A. D. Balen. 



38. Cinchonidine, shown by polarized light: by Miss M. V. 



WORSTELL. 



39. Circulation of Protoplasm (Cyclosis) in Chara : by J. D. 

 Hyatt. 



40. Ciliary Motion on the Gills of the Mussel : by J. D. 

 Hyatt. 



41. Tongue of a Cricket : by W. D. Macdonald. 



42. 43. Pond Life : by H. C. Wells. 



44. The Curious Aquatic Insect, Rheu7natobates Rileyi Berg- 

 roth, captured at Flatbush, L. I. ; named by E. Bergroth, M.D., 

 Tammerfors, Finland ; and until recently the only re- 

 ported specimen in the world : by J. L. Zabriskie. 



45. Arranged Group of Diatoms, illuminated by parabola : 

 by C. F. Cox. 



46. Crystals of .Sugar, shown by polarized light : by C. F. 

 Cox. 



47. Leaf of Deutzia scabra, showing stellate hairs : by W. 

 E. Damon, 



48. Spines of Echinus: by H. G. Piffard. 



49. Circulation of Blood in Tail of Tadpole : by F. W. De- 



VOE. 



