PREPARING FOR PUBLICATION, 

 A HISTORY 



OF THE 



BKITISH SESSILE-EYED CRUSTACEA. 



By J. 0. WESTWOOD, F.L.S., etc. 



About Six Parts will complete the work ; these will be published monthly, at 

 2s. 6(/. each. Part I. will be published shortly. The mode of illustration will 

 be similar to that adopted in Professor Bell's History of the Stalk-eyed species. 



Mr. Westwood solicits notices of habitats, ^c, from those who have made 

 this interesting portion of the Crustacea their particular study. 



