IN THE MANCHESTER MUSEUM. 17 



Goniatites undulatus, Brown, 1841. 



1841. Goniatites nndiilatus, Brown, Trans. Manch. Geol. Soc, i., p. 213, 



pi. vii , figs. I, 2, 3, 4, and 5. 



1849. „ „ Id., Foss. Conch., p 246, pi. xxix.--, figs. 



I, 2, 3, 4, and 5. 



Types. — Shell sub-globose, crossed by fine raised lines, 

 which divide upon the side, curving backwards over the 

 ventral border, which is very broad ; umbilicus small. 



Lambert's Clough, Todmorden, Yorks. 



Yoredale Shales. Coll. Gibson. 



Goniatites proetus, Brown, 1841. 



1841. Goniatites proetus, Brown, Trans. Manch. Geol. Soc , i , p. 217, pi. vii., 



figs, 27, 28. 

 1849. „ „ Id , Foss. Conch., p. 248, pi. xxi.=", figs. 27, 28. 



Types. — Six specimens, of which one appears to be the 

 original of Brown's figure. 



Shell discoidal, whorls many ; mouth aperture high ; 

 umbiHcus wide, and bordered by a fine raised ridge. 

 Breadth, 10 mm. 



Lob Mill, Todmorden, Yorks. 



Yoredale Shales. Coll. Gibson. 



Goniatites subsulcatus, Brown, 1841. 



1841. Goniatites subsulcatus, Brown, Trans. Manch. Geol. Soc, i.. p. 214, 



pi. vii., figs, g, 10. 

 1849 „ „ Id , Foss. Conch., p. 247, pi. xxi-, figs. 8, 



9. lo- 

 Types. — A series of fine specimens, one of which must 

 have been the original of Brown's figure. Probably the 

 specimens upon which this species is founded are adult 

 forms of G.JHgosus. 



Hebden Bridge, Yorks. 



Yoredale Shales. Coll. Gibson. 



