De Henry Museum Mexico Aug 24 Tuesday. Upon Johnnie & Magapil in Fine Ammonites du Bulletin No 23. Locrus, Pleumayria, Opelia many species, O. flexuosa Costella Svent. Phosphatic limestone rougeatre Basey Portlandian Has Aspidoceras Euryoticeras Heterophthalitis Limnerus A. of Dr Héri di Perisphincte Aspidoceras A. fissinum Svent. Locrus many of J. Faldrum Offic, Gula Costephana Acella beds have A. gallazi Mexican A. emingti & 3 other species. Stalacrenus beds have Phylloceras Pleu- mayria H. Fiolar Offic, Stalocranus many speci. Craspedits. Upon Kimmeridgian Shales with Daajenia T of J. Kimmeridgean Aspidoceras Daajenia several species. Phosphatic limestone rougeatre Basey Portlandian Has Aspidoceras Euryoticeras Phylloceras apennicum Canavari, Perisphincte Nigatite P. millitini Michalski. Phosphatic limestone grisatre = Portlandian Has many Ammonites. Calcareous Shales Upon Portlandian Fine Ammonites. Lower Cretaceous Grey Holcostephana