94 JOURNAL OF THE [January, 



11. Radula of Somatogyriis subglobosus, Say, from the Mohawk 

 River: Exhibited by C. E. Beecher. 



12. Radula of Amnicola limosa, Say, from the Potomac River : 

 Exhibited by C. E. Beecher. 



13. Embryo Ants, mounted in glycerine-jelly : Exhibited by 

 F. VV. Leggett. 



14. So-called Gizzard of B/atta, Island of St. Thomas, show- 

 ng horny plates, or teeth : Exhibited by E. B. Grove. 



15. So-called Gizzard of CEdipoda Carolina, L., showing horny 

 plates, or teeth : Exhibited by E. B. Grove. 



16. Radula of Zonites cellariis : Exhibited by VV. G. De Witt. 



17. Pleurosigma angulatum, under an apochromatic, homo- 

 geneous-immersion objective '. Exhibited by W. G. De Witt. 



18. Larva of Corethra plumicornis, commonly known as the 

 Shadow-gnat : Exhibited by C. S. Shultz. 



other exhibits. 



19. Radula of Haliotis : Exhibited by H. W. Calef. 



20. Radula of Paludina vivipara : Exhibited by H. W. 

 Calef. 



21. Cancerous growth (human): Exhibited by L. Schoney. 



22. Models of the tongue and throat (human): Exhibited by 

 L Schoney. 



23. " The Rotifera ; or Wheel Animalcules, by C. J. Hud- 

 son, LL. D., Cantab., assisted by P. H. Gosse, F. R. S." 2 vols., 

 4°., illustrated ; Longmans, Green & Co., London : Exhibited 

 by C. W. Brown. 



24. Slides, and numerous photomicrographs of Diatoms : Ex- 

 hibited by K. M. Cunningham, of Mobile, Ala. 



