1923 



T YPE A MMOM TES—I \ ' 



CCCLXXV 



Cardioceras cordatum 



Field Farm, W'orminghall, Bucks ; well-sinking m clav 



Womiinghall Rock, about 3 feet down ; S.B. Coll. 3572 



S. 37- 38. 27. 29 ; 5'J- 47. ^8-5. zj, ; ribs 21 (i), 42 (2), c. 90 (keel) 



(EL, O), EL, OV, Li, OV ; Li c. 50 at 12 mm. ; max. c. 60 



MITICARDIOCERAS MITE, xov. 

 Cardioceratan, mite ; Genotype, Holotvpe 



