Miscellanies. 389 



mal, which they call the Argulus Catostomi, found within the opercula 

 of the fish here called a sucker.* The fish were taken during April 

 and May from Mill river, just below the falls at Whitney ville. The 

 animal is undoubtedly congeneric with the Argulus foliaceus, de- 

 scribed at large by Jubine (in theAnnales du Museum d'Histoire 

 NatureUe for 1806,) which is hitherto the only species known. The 

 following particulars of the description are given to show the differ- 

 ence between these two species. 



The length of the A. foliaceus is about two lines and a half; that 

 of this new animal is often six lines. ' Of the former, the shell is 

 oval; in this the breadth exceeds the length. 



The thighs of the prehensile legs of the A. foliaceus are each 

 furnished with four curved spines : — in this, the posterior margin of 

 the thigh is occupied by three broad and flat teeth, with interstices 

 between them about equal tohalf their medium width. These teeth 

 are irregularly quadrilateral with rounded angles. 



In this, the outer pinnula of the first pair of natatory legs is twice 

 articulated near its extremity ; and the marginal portions of the in- 

 ferior surface of the shell, (the clypeus excepted,) are thickly set 

 with recurved spines ; — characters of importance, which are not sta- 

 ted in regard to A. foliaceus, and of which it is therefore presumed 

 to be destitute. 



The A. foliaceus is found attached to the surface of the body of 

 various fish, — this has hitherto been detected within the gill covers 

 only. 



Many other points of difference were indicated, especially in the 

 organs of manducation, portions of which Jurine erroneously con- 

 sidered the heart ; but as these particulars cannot be clearly shewn 

 without figures, they are not here given. Full details, with illustra- 

 tions, may be expected in the memoir, which may appear in the 

 October number of this Journal. 



9. Annual Report of the Regents of the University of the 

 State of New York ; made to the Legislature, Feb. 29, 1836. 245 

 pp. 8vo. Albany, 1836. — The State of New York is distinguished 

 for its efforts in the extension of education and the promotion of 

 science, of which no stronger evidence can be adduced than the an- 

 nual Report of the Regents of the University. The commence- 



* The fish appears to be the Catostomus Bostoniensis of Le Sueur. 



