"V. 



INDEX TO SIR WILLIAM HERSCHEL'S CATALOGUES 

 OF NEBULJ3 AND CLUSTERS. 



[The identifications rest on the authority of Sir John Herschel.] 



Class I. 



k [BRIGHT NEBULAE.] 



*This is not 1 54 of the Phil. Trans., but a nebula subsequently inserted by Sir 

 William Herschel. 



91 



