INOCEEAMUS. 



305 



referred to /. )iu<hil<do-plicafiis l)y Whitoavcs,' but White- doiil)ts the correctness 

 of the identification. 1. (lit'evsufi, Stoliczka,'' is anotlier allied form. 



Michael does not accept Schmidt's and Schli'iter's identification of the 

 specimens from Saghalien and North Germany with Rnmer's 7. VHthdato-plicatus, 

 but regards them as belonging to a distinct species for which he proposes the 

 name I. Schniidti. He, howe\'er, regards /. (h'lyri^Hs, Stolic/.ka, as an example of 



F.u. (il. 



Fig. fill. 



Fig. go. — Inoceramus undulato-plieatus, Kiiiii. Sonoiiian. UaMuu. liritisli MiLsciiiii, Xu. L17371. Flint 



Ciist of part of right valve. Natural size. 



Fig. 61. — Inoceramus nndutnto-pUcnius, Eiim. Senonian. llaMcm. liritisli Museum, No, 1,1736'.'. x I. 



this species, consequently it \v;is uniieecssary to inti'oduce a new name. The 

 English specimens show a good deal of variation, and after comparing them with 

 Rcimer's and other figures I do not feel able to accept Michael's view. 



jTv/jJC. — From the Chalk of Te.\as. 



Disfribitfiioi. — Senonian of TTaldon. 



• ' Geol. Siirv. Canada, Mesoz. Fosf.,' vol. i (1879), p. 168, pi. xx, fig. 2, and /. digitatiis (ibid., 

 1903). p. 395 ; also ' Trans. Roy. Soc. Canada,' ser. 2. vol. i (189.5), p. 121. 

 « 'Bull. U. S. Geol. Surv..' no. 51 (1889), p. 37. 

 ' ' PaloBont. lodica, Civt. Fauna S. India,' vol. iii (1871), p. 407, pi. xxvii, fiij. (J. 



