£ DESCRIPTION OP THE CLL'PEA 1YHA.NNX/S. 



tinue with, or quit the fifli before his return to the ocean, and 



alio whether he be the onifcus phyfodes of Linnaeus, qui 



habitat in pclago. 

 Proposed name. Should he be an infect hitherto undefcribed, 1 think he 



might be very aptly named onifcus pr&guflator. 



The bayalcwife The bay alewife is not accurately defcribed in any ichthyo* 



not accurately logical work which I have (een ; nor can I from my drawings, 

 defcribed. ? . , , » , , . , r ? 



which were made with a very weak hand, venture a detcnp- 



tion. From his having a regular praeguftator, I would fuggeft 



that he ought to be named clupea tyrannus* 



teaches on the The onifcus refembles the minion of a tyrant in other re-« 



wiifcui. fpects, for he is not without thofe who fuck him. Many of 



thofe which I caught had two or three leaches on their bodies, 



adhering lb clofely, that their removal coil them their heads. 



Moft of the marine onifci appear to be troublefome to fome 



one or other fifli. The onifcus ceti is well known as the 



plague -of' whales, and many of the reft are mentioned in 



jLinmeus and Gmelin, as peftes pifcium. 



BENJ. HENRY LATROBE, F. A. P. S. 



Qu. If men- P. S. A gentleman well fkilled in entomology informs me 



tioned in Block's tnat j ie believes, that io Block's Hiftory of Fifties, a work not 

 to be had in Philadelphia, this onifcus is mentioned. But, 

 from a late examination of Gmelin and Fabricius, I am con- 

 vinced that the onifcus praeguftator is a fpecies not hitherto 

 accurately defcribed — Gmelin had probably feen the Linnaean 

 infect, having changed the antenna utrinque duo, to antennis 

 quaternis, and left out moft of the long defcription given by 

 Linnaeus. Neither he, Linnaeus, nor Fabricius, mention the 

 circumftance of habitation in the mouth of the filh, and the 

 induftrious and copious Fabricius, who having changed the 

 names of the genera, calls him cymothoa phyfodes, copies 

 the defcription of Gmelin, excepting the mention of the four 

 antennae, which in hi& arrangement form a character of the 

 genus, / 



Thd 



