ADDENDA ET CORRIGENDA. 



Paut I. 



iiTQQ- T l\r Clarke The Hisher Devouiau 

 Page 11. After the 16th line from the top add Ibbo, J. M. Clarke. 



Fauna of Ontario County, Kew York, pp. 43, 44. MurcMsoni) 



Pages 16 and 19. PL IV, fig. 3, i. Ceratiocans f^r'^nnus (not ^- ^ ^^' -")■ 

 Pa es 20 and 21. PL VI, fig. 11, >s CeraU^^ns iyran.us ^^^^'^ ^^ ,^^ ,,^ 



D OQ -R^fore the 10th line from the bottom add :—A speumen oi u. ij 



e.r. frannus rather than to C. ,i,as orG Muj^l^ru ^^^^^ ^^ ^^_ ^^_ ^^_ 



?::: :i- ^^:r :,:::;n;ri.et; "i. to ..l...... .o. to . .«. 



P 7 In the mra/raph of lines 10 to 6 from the bottom, >. telson read style. 



P::! 6-1 an^ 72 'piale XI, fig. 16. n,ay belong to the genus EJ.noear,, Beecher, as suggested 



"' "'pfges 62 and 72. Ca.«./o..r/. .^ /«^« belongs most probably to H,.ne„ccaris. 



We have to add that in the Lee Collection, British Museum, there are- 



1, 1163. From the Upper Ludlow beds of Logan Water, portions of the tail-pieees of Ceratio- 

 ^''"7 net Prom the Lo.er Ludlow of Leintwardine, near Ludlow, the end of an abdomen, 

 ..son: ^;-^^^^^:^Z^,^ ,, Church Hill, Leintward.ne. the ins.de exposure of a le.- 



"""Ti;;:.' %!^:!'Z:^. Wality a neany perfect specimen of C. RaUiana, young. 

 I, 1168. Prom the Lower Ludlow beds. Ludlow-C. cassia 



