NATURAL SCIENCES OF PHILADELPHIA. 



13 



J. M. Patterson, Chas. A. Young, Dr. Alex. Muckle, Hugh J. 

 Fagan, Nicholas Leniiig, and Wm. V. McKean. 



The following standing: committees were elected for the year 

 1875 : 



Anthropology. 



J. Aitken Meigs, 

 Henry S. Schcll, 

 J. F. Richardson, 

 Edw. Goldsmith, 

 H. C. Chapman. 



Comparative Anatomy. 

 Harrison Allen, 

 J. IT. McQuillan, 

 Jos. Leidy. 

 H. C. Chapman, 

 R. S. Kenderdine. 



Ornithology. 



Edwin Sheppard, 

 Jas. A. Ogden, 

 Wm. G. Freedly, 

 Richard K. Betts, 

 Sarah P. Monks. 



Articulata. 



Geo. H. Horn, 

 R. S. Kenderdine, 

 T. Hale Streets, 

 John L. LeConte, 

 H. C. Chapman. 



Botany. 



Thomas Meehan, 

 Isaac Burke, 

 J. H. Red field, 

 R. S. Kenderdine, 

 Rachel Bodley. 



Mammalogy. 



Harrison Allen, 

 Edw. D. Cope, 

 H. C. Chapman, 

 U. Smith, 

 Horatio C. Wood, Jr. 



Radiata. 



Geo. H. Horn, 

 J. Hunt, 



R. S. Kenderdine, 

 Samuel B. Howell, 

 Bernard A. Hoopes. 



Stratigraphic Geology. 

 J. P. Lesley, 

 F. V. Hayden, 

 Franklin Piatt, 

 Persifor Frazer, Jr., 

 Clarence S. Bement. 



Vertebrate Palaeontology. 

 Jos. Leidy, 

 Edw. D. Cope, 

 Harrison Allen, 

 Wm. H. Dougherty, 

 Persifor Frazer, Jr. 



Mineralogy. 



Wm. S. Yaux, 

 Edw. Goldsmith, 

 Jos. Wilcox, 

 Clarence S. Bement 

 Persifor Frazer, Jr. 



Physics. 



Robert E. Rogers, 



J. G. Hunt, 



Robt. Bridges, 



J. H. McQuillan, 



Alex. Wilcocks. 

 Invertebrate Palaeontology. 



T. A. Conrad, 



Horatio C. Wood, Jr., 



Persifor Frazer, Jr., 



Geo. A. Konig, 



Edw. D. Cope. 



