30 



THE LIAS AMMONITES. 



Leda v-scripta, Tate. 

 Nucula naevis, Piette. 

 Astarte obsoleta, Dunker. 



— cingulata, Terquem. 



— Oppeli, Andler. 

 Hippopodium ponderosum, Sow. 

 Cardita Heberti, Terquem. 

 Protocardia Phillipiana, Bunker. 

 Cardinia crassiuscula, Sow. 



— ovalis, Stutchburg. 



— Deshayesii, Terquem. 



— Desoudini, Terquem. 



Waldheimia Sarthacensis, d'Orbigny. 

 Spiriferina rostrata, Schlotheim. 



Bairdia liasica, Brodie. 



— lacryma, Blake. 



— Redcarensis, Blake. 



— elongata, Blake. 

 Polycope cerasia, Tate. 



Ditrypa capitata, Phill. 



— globiceps, Quenst. 

 Galeolaria socialis, Gold/. 



Cidaris Edwardsii, Wright. 

 Hemipedina Tomesi, Wright. 



Cardinia Listeri, Sow. 



Lucina limbata, Terquem. 



Modiola hillanoides, Chap, fy Dewalq. 



— lsevis, Sow. 



— Hillana, Sow. 

 Saxicava arenicola, Terquem. 

 Myoconcha psilonoti, Quenstedt. 



— inclusa, Terquem. 



Unicardium cardioides, Phillips. 

 Pholadomya glabra, Agassiz. 

 Gresslya Galathea Agassiz. 

 Pleuromya crassa, Agassiz. 



Brachiopoda. 



Rhynchonella plicatissima, Quenstedt. 



Crustacea. 



Cytliere Blakei, Jones. 



— circumscripta, Blake. 



— paupercula, Blake. 



— Redcarensis, Blake. 

 ' — arcuformis, Blake. 



Annelida. 



Serpula Umax, Gold/. 



— plicatilis, Gold/. 



— flaccida, Gold/. 



ECHINODERMATA. 



IPentacrinus psilonoti, Quenst. 

 — basaltiformis, Miiller 



Anthozoa. 



Septastrsea excavata, de From. 

 Montlivaltia Hairaei, Chap, fy Dewalq. 



Montlivaltia polymorpha, Terquem. 



Foreign Correlations. — Professor F. A. Romer, in 1836, 1 published an important 

 work on the ' Jurassic Eormations of North Germany,' which formed the starting-point 

 of numerous observations made since that date by several accurate observers, as Dr. U. 

 Schlonbach, " Ueber den Eisenstein des mittleren Lias im nordwestlichen Deutschland," 

 as developed at Harzburg, Liebenburg near Goslar, Bodenstein, Calefeld, and other 

 places; 2 also Professor von Seebach, " Der Hannoversche Jura;" 3 and Emerson, 

 " Der Liasmulde von Markoldendorf bei Einbeck.'' 4 After a careful examination of the 



1 ' Die Versteinerungen des Nord-deutschen Oolithen-Gebirges,' 1836. 

 3 ' Zeitschr. d. d. Geol. Ges.,' Band xv, p. 465, Jahrg., 1863. 



3 ' Der Hannoversche Jura,' mit 10 Tafeln und 1 Karte, 1864. 



4 'Zeitschr. d. d. Geol. Ges.,' Band xxii, p. 271, 1870. 



