780 



SCIENCE. 



[N. S. Vol. VIII. No. 205. 



In a note published in Nature for May 24, 

 1894 (Vol. 50, p. 79), I announced the con- 

 viction that the iilaments are a parasitic 

 fungus growing upon the genus Amaha. 

 Early in 1896 Mr. Martin F. Woodward, of 



to make the fullest recognition of this cour- 

 tesy, with sincere acknowledgment of my 

 obligations to him. I am indebted, further- 

 more, to Mr. Irving Hardesty, of the Uni- 

 versity of Chicago, and Dr. C. L. Felt, of 



the Eoyal College of Science, London, wrote 

 me that he entertained the same view. 

 Later, with signal generosity, he forwarded 

 to me notes of his own observations with 

 tracings of his original drawings. I wish 



Philadelphia, for assistance upon the litera- 

 ture of the form. 



THESIS. 



Leidy's genus OiwamceSa was erected upon 

 insufficient data and must be abandoned. 



