( n ) 



No. X. 



A Drawing and Defcription of the Clupea Tyranmis ani 

 Oti'ifctis Prcsgnjlator. By Benjamin Henry La- 



TROBE. F. A. P. S. 



The committee to whom was referred Mr. Latrobe's 

 paper on a fpecies of onifcus, called by the author onifcus 

 praeguftator, reports, that the fame is worthy of publi- 

 cation. 



BENJAMIN SMITH BARTON. 

 February ijth, 1800. 

 Feb. 21, 1800. 



Philadelphia, December 18th, 1799. 



To Thomas P. Smith, one of the Secretaries of the 

 American Philofophical Society. 

 Sir, 



ReadPeb. T BEG Icavc, through your means, to commu- 

 7, 1800. X nicate to the American Philofophical Society, 

 an account of an infe£t, whofe mode of habitation, at lead 

 during fome part of his life, has appeared to mc one of 

 the moft fingular, not to fay whimfical, that can be con- 

 ceived. 



In the month of March 1797, illnefs confined me for 

 feveral days, at the houfe of a friend on York river in 

 Virginia, during his abfence. My inability to move fur- 

 ther than to the fhore of the river, gave me leifure to ex- 

 amine carefully, and in more than an hundred inilances, 

 the fa£l I am going to mention. 



Among the lifh that at this early feafon of the year 

 refort to the waters of York river, the ale wife or old wife, 



called 



