RECORDS. 475 



SECTION OF BIOLOGY. 



Meeting of May 9, 1898. 



Professor Wilson in the chair, twenty-three persons present. 

 The following programme was offered : 



1. C. L. Bristol, Measurements of a Large Lobster 

 Caught off Sandy Hook. 



2. H. L. Clarke, Notes on Bermuda Echinoderms, pre- 

 sented by C. L. Bristol. 



3. F. P. Keppel and G. N. Calkins, Report on the Hy- 

 droids Collected in Puget Sound. 



4. E. B. Wilson, On the Structure of Protoplasm in the 

 Eggs of Echinoderms and Some Other Animals. 



5. In addition to the above Professor Osborne reported on 

 some facts concerning a huge herbivorous Dinosaur, bringing 

 out in particular the discovery of some hitherto unknown char- 

 acters of the caudal vertebrae, and the peculiarly avian structure 

 of the posterior cervical and the anterior dorsal vertebrae. 



Gary N. Calkins, 



Secretary of Section. 



SECTION OF GEOLOGY AND MINERALOGY. 



May 16, 1898. 



Professor Kemp in the chair. Ten persons present. 



Minutes of the last meeting w^ere read and approved. 



Mr. Geo. F. Kunz exhibited specimens of Quartz crystals in 

 massive Gypsum from Gallineo Springs, N. Mex., and announced 

 the discovery of a new meteorite from Ottawa, Kansas. 



The first paper on the programme was by Professor D. S. 

 Martin on The Geology of Columbia, S. C, and its Vi- 

 cinity. Professor Martin described the granitic and gneissic 

 rocks of that region, and their residual products. He also com- 

 mented on the character of the Potomac, Lafayette and Colum- 

 bian formations which are well exposed in the railroad cuts 

 south of the city. 



