1894.] MICROSCOPICAL JOURNAL. 191 



Dr. Corydon L. Ford of Brooklyn, N. Y., died April 14, 

 1894, being over 80 years old. When he was connected with 

 the Geneva Medical School, many years ago, a microscope was 

 imported from Paris; and, when it arrived there was not a pro- 

 fessor, nor any one else except him, who could put it together 

 and use it. Now every first course student is obliged to learn its 

 use. He was one of the best teachers of anatomy this country 

 has known. 



MICROSCOPICAL SOCIETIES. 



Ottumwa Microscopical Society. 



The last three meetings of this Society have been taken up 

 with the microscopical examination of urine. Its physiologi- 

 cal and pathological characteristics have been studied. Some 

 very fine specimen have been shown containing casts of various 

 kinds of cr^'stals, cells of blood, pus, epithelium, etc., the study 

 having been with a view to diagnosis. Three meetings previous 

 to the last three were given to the study of hair, specimens of 

 the hair of a great many animals and human hair were made. 

 Cross and longitudinal sections were made and studied. Much 

 attention was paid to the diff'erentiation of human hair from 

 that of animals because of its interest in medical jurisprudence. 

 The collection made by the society is interesting. Some of 

 the specimens are beautiful. 



Quecket Microscopical Club. 



March 16, 1894. — Mr. Morland pregented 37 slides of Diatoms. 

 C. F. Rousselet presented a series of pond-life slides. Ed- 

 inger's drawing and photographic apparatus was shown by C. 

 L. Curties. Messrs. Swift & Son exhibited the new biological 

 microscope. Mr. Nelson had a paper on the Determination of 

 the Foci of Microscopical Objectives, Lantern and Camera lenses 

 . by Arithmetical Formulae. H. W. King's paper was on Amoeba. 

 An excursion was announced to the Royal Botanical Garden's 

 in Regent's Park. 



Birmingham Natural History and Philosophical Society. 



March 6, 1894. — In the Microscopical Section Mr, Wilkinson 



exhibited beetles found in the rotten wood of a large ash tree 



