12 JOURNAL OF THE [January, 



2. On Improvements in Microscopes and Microscopical Appara- 

 tus : Wm. Wales. 



3. On Medical Science : L. Schoney, M. D. 



4. On Mineralogy : A. A. Julien, Ph. D. 



5. On Cryptogamic Botany : C. Van Brunt. 



6. On Phanerogamic Botany : N. L. Brixton, Ph. D. 



7. On Adulteratiojis : B. Br am an. 



8. On Structure of Materials : P. H. Dudley, C. E. 



9. On Textile Fibres : H. L. Brevoort. 



10. O71 Bacteriology : C. E. Pellew, M. E. 



Mr. W. H. Mead requested to be excused from service on 

 the Committee on Publications, and, on motion, it was resolved 

 that the President be substituted in his place on said Com- 

 mittee. 



The resignation of Resident Membership by Gen. Wager 

 Swayne was presented and accepted. 



OBJECTS EXHIBITED. 



Mr. J. D. Hyatt exhibited the following objects, representing 

 the Cretaceous Formation of Alabama : — 



1. A supposed new Infusorial Earth. 



2. Tripoli Rock, containing Micro-fossils. 



3. A Coal Shale, containing Jaws and Teeth of Microscopic 

 Animals. 



4. A Bituminous Shale, filled with Spicules of Sponge. 



5. A true Chalk, containing Fossils similar to those of the 

 English Chalk. 



6. Lithographic Stone, containing numerous Foraminifera. 



7. Specimens of Silicified Wood. 

 There were also exhibited : — 



8. Proboscis of Drone-fly. 



9. Proboscis of Blow-fly. 



10. A Polyporus from Panama : by P. H. Dudley. 



11. A gigantic Cockroach, from Panama : by P. H. Dudley. 



12. Eggs of Lepidoptera : by Wm. Beuttenmuller. 



Prof. Samuel Lockwood, Ph. D., addressed the Society on 

 casts found in the Cretaceous clays of New Jersey. 



