WRITINGS OF F. B. MEEK. 33 



Page. 



Nuculaninoe 60 



roJdia, Moller, 1842 60 



Y.I gubscitula,'M..& H., 1858, pi. ii, figs. 4 a, & 60-61 



Crassatcllidce 61 



Plewrophorus, King, 1844 61 



P. ? subcuneatus, M. & H., 1858, pi. ii, fig. 3 61 



P.? calhouni.M. &, H., 1858, pi. ii, figs. 13 a, 6 62 



Cejihalopoda. 

 Tctrabanchiata. 



Nautilidre 63-64 



Nautilus, LinniEus, 1758 64^65 



N. eccentricus, M. & H., pi. ii, figs. 14 a, 6 §5 



REPTILIAN AGE. (JURASSIC PERIOD.) 



Radiata. 

 Echinodermata. 

 Crinoidea. 

 Pentacrinidce. 



Pentacrinites, Miller, 1821 ,...„ 66 



Chladocriniis or Cladocrinus [Aga,saiz] 66 



Pentacrimis asteriscus, M. & H., 1858, pi. iii, figa. 2 a, 6 and flg. — . p. 67 67 



Mollusca. 

 Brachiopoda. 



Lingulidm 68 



Lhifjula, Brugui^re, 1792 68-69 



L. brevirostris, M. <fc H., 1858, pi. iii, flga. 3 a, 6 69 



lihynchonellidce 70 



Ehynclioiiella, y'lscher, 1809 7(V-71 



Rhynchonella, , pi. iii, flg. 4 71-72 



Lamellibranchiata. 



Ostreidoe 72 



Oistrea, Linnaeus, 1758 72-73 



O. engelmanni, Meek, 1860, flgs. A, B, p. 73 73-74 



Gryphcea, Lamarck, 1801 74 



G. calceola var. nebrascensis, M. & H., 1861, pi. iii, flgs. 1 a-e and figs; A-E, p. 75 74-76 



Pectinida; 7g 



Pectininm 76 



Camptonectes, A gassiz, 1865 76-77 



O. bellistrialus, Meek, 1860, flga. A-D, p. 77 77-78 



OJ extenuatue,M. & H., 1860, pi. iii, flg. 6 7g 



Pteriidce 79 



Pteriince 79 



Pteria, Scopoli, 1777 79 



Subgenus 02:2/to?na, n. a. g., Meek, 1865 79-80 



Pteria ( Oxytom a) munsteri, Bronn, 1829, flga. A, B, p. 80 80-81 



Eumicrotis, Meek, 1864 gj 



£. curto. Hall, 1852, pi. iii, flgs. 10 a-d 81 



Trigoniidce g2 



Trigonia, Brnguifere, 1789 82-S3 



Subdivisions : 

 Les Scaphoides, Agassiz. (Jurassic and Cretaceons.) 

 Les Glavellees, Agassiz. (Mainly Jurassic.) 

 Les Carrees, Agassiz. (Upper Jurassic and Cretaceons.) 

 Les Scabres, Agassiz. (Mainly Cretaceous.) 

 Les Ondulees, Agassiz. (Jurassic and Cretaceous.) 

 Les Costees, Agassiz. (Jurassic and Cretaceous.) 

 Les Lissees, Agassiz. (Jurassic and Cretaceous.) 

 Les Pectinacees, Agassiz. (Existing seas.) 



Trigonia conradi, M. & H., 1860, pi. iii, fig. 11 83-84 



Mytilidce g^ 



Volsella, Scopoli, 1777 85-86 



T. pertenuis,M. &. H., 1858, pi. iii, flgs. 5, 5 a 86 



r. /i>n?io«a, M. & H., 1861, flgs. A, B, p. 87 g6-87 



Arcidce 87-89 



Arcin(e gg 



120— Bull. 30 3 



