1895.] NATURAL SCIENCES OF PHILADELPHIA. 171 



March 5. 

 Dr. Samuel G. Dixon in the Chair. 



Twenty- five persons present. 



Papers under the following titles were presented for publication : 

 "On an Arrangement of the Retinal Cells in the Eyes of Fishes 

 Partially Simulating Compound Eyes," by John A. Ryder. "The 

 True Nature of the so-called 'Nettle Threads' of Paramoecium," 

 by John A. Ryder. 



The death of John H. Redfield, a member, on the 27th ult., in his 

 eightieth yeai", was announced. The following minute was unani" 

 mously adopted : 



JOHN H. REDFIELD. 



The Academy of Natural Sciences of Philadelphia has heard with 

 deep sorrow the announcement of the death of John H. Redfield who, 

 in his unselfish devotion to its interests, has long been one of its most 

 active benefactors. 



Always an earnest student of nature, his last years of deserved 

 freedom from business engagements were devoted to his favorite 

 studies in connection with the Academy and to the arrangement and 

 care of the herbarium. 



The steady growth and admirable condition of the botanical col- 

 lection constitute it an enduring monument. to his industry and zeal. 



As Chairman of the Publication Committee and member of the 

 Council, the same fidelity and discretion characterized the discharge 

 of his duties. 



He was a man of strong but tender character ; firm in his support 

 of the right, but tolerant of all honest difference of opinion ; cheerful, 

 gentle, modest and cultured. Time was to him one of his most 

 precious possessions, yet he was ever gladly at the service of those 

 requiring advice or assistance. 



He was an earnest student, a wise counsellor and a steadfast 

 friend. His encouragement and loving sympathy endeared him to 

 his associates who felt for him a personal affection which enables 



