l886.] NEW-YORK MICROSCOPICAL SOCIETY. 57 



28. FOSSIL WOOD FROM ARIZONA, LONGITUDINAL RADIAL 



SECTLON. 



Exhibited by M. M. Lk Brun. 

 2<). POLYCYSTLNA. 



Exhibited by Benjamin Braman. 



30. CLRCUL.A TLON OF BLOOD LN THE FROG. 



Exhibited l>y]. L. Walt,. 



31. LACLNULARIA SOCLALLS. 



Exhibited by W. E. Damon. 



32. CIRCULATION OF BLOOD IN THE TAIL OF A FISH. 



Exhibited by '^AW^KYi. Mead. 



33- ARRANGED GROUP— DIA TOMS, SYNAPTA, AND CHIRO- 



DOTA. 



Exhibited by C. S. Shultz. 

 34. EGGS OF PARA SUE. 



Exhibited by C. S. Shui.TZ. 

 35 and 36. POND-LIFE. 



Exhibited by A. D. Balen. 



37. MULTIPLE LMAGES FORMED BY EYE OF COCKROACH. 



Exhibited by ]. D. Hyatt. 



38. TROMBIDIUM, OR RED MITE. 



Exhibited by the Rev. Wm. Huckel. 

 30. SECTION OF A FRAGMENT FROM THE OBELISK'. 

 Exhibited by K. Woodward. 



40. DIA TOMS. 



Exhibited by E. A. Schultze. 



41. SPICULES OF GORGONIA. 



Exhibited by W. G. DeWitt. 



42. TRICHINA SPIRALIS LN HUMAN MUSCLE. 



Exhibited by W. G. DeWitt. 



43. IRIDESCENT COPPER PYRITES. 



Exhibited by Lucius Pitkin. 



44. DIA TOMS. 



Exhibited by Lucius PlTKlN. 



45. SECTIONS OF PINE-NEEDLES. 



Exhibited by H. W. Calef. 



46. HEAD OF CRANE-FLY. 



Exhibited by F. COLLINGWOOD. 



47. YOUNG CATERPILLARS. 



Exhibited by E. B. SOUTHWICK. 



48. JAWS OF LARVA OF APPLE-! REE BORER {Snpctda Can- 



dida, Fabr.). 



Exhibited by E. B, SouTHWiCK, 



