348 THE BOTANISTS OF PHILADELPHIA. 



(1) "Accumulation of Plant Life at the Equator, Causes, etc." 



(2) " The Lower Forms of Animal Vision traceable to that 

 of Plant Life." (3) '^ Migration of Plants." 



On April 15, 1873, Mr. Bechdolt was elected a member 

 of the Chemical and Natural History Society of Lehigh 

 University, at South Bethlehem, Pennsylvania, and was 

 made Curator, November 3, 1873. In August, 1874, he was 

 sent by the latter society on a collecting trip to Key West, 

 Florida, and to the southern portion of the State of Texas, 

 returning in the year 1875, when he was again requested to 

 make a trip to explore the Amazon region in Brazil, South 

 America. The specimens collected on this trip consisted 

 mostly of plants and zoological specimens and Indian 

 utensils of the tribe Tapnios. From one of the medicine 

 men of the latter tribe he secured the skeleton of the rare 

 bird Palamedea carnuta and the silicious sponge from the 

 bottom of the mouth of the Tapajos River. 



At present Mr. Bechdolt is farming in the vicinity of 

 Seidersville. 



LEWIS PALMER. 



Lewis Palmer, father of T. Chalkley Palmer, President 

 of the Delaware County Institute of Science, was a good 

 botanist, especially familiar with the oaks. 



EDMUND Y. McCALLA. 



Edmund Y. McCalla was a close student of botany, his 

 books and his rambles in the field constituting his chief 

 enjoyment during the greater part of his life. His interest 

 and his energies were devoted particularly to Fairmount 

 Park ; he knew every foot of its three thousand acres, and 



