IV 



CONTENTS. 



Systematic Descriptions — Continued. 

 Suborder Spatangina — Continued. 

 Family Nucleolitidae — Continued. 



Echinolam pas — Continued. 



E. anguillEe Cotteau • 66 



Family Plesiospatangidae 67 



Asterostoma 67 



A. excentricum (Lamarck) 67 



A. cubense Cotteau 67 



Pseudasterostoma 68 



P. jimenoi (Cotteau) . 68 



Family Echinocorythidae 69 



Cardiaster . 69 



C. cubensis, sp. nov. 69 



Family Hemiasteridae 70 



Agassizia 70 



A. inflata, sp. nov. 70 



A. clevei, Cotteau 71 



Prenaster ... 72 



P. loveni Cotteau 72 



Hemiaster .... 73 



H. cubensis (d'Orbigny) 73 



H. antillensis Cotteau 73 



H. dewalquei Cotteau 73 



H. berkeyi, sp. nov. 73 



Paraster ... 74 



P. antillarum (Cotteau) 75 



P. parkinsoni (Defrance) 76 



P. clevei (Cotteau) 76 



P. loveni (Cotteau) 77 



P. subcylindricus (Cotteau) 78 



P. sp. a. 79 



P. sp. b. 79 



Periaster . . 80 



P. elongatus Cotteau 80 



Systematic Descriptions — Continued. 

 Suborder Spatangina — Continued. 

 Family Hemiasteridae — Continued. 



Schizaster 81 



S. scillae Agassiz 81 



Family Spatangidae 81 



Brissopsis ... 81 



B. jimenoi Cotteau 81 



B. atlantica Mortensen 81 



B. antillarum Cotteau 82 



Plagiobrissus . 83 



P. loveni (Cotteau) 83 



Macropneustes . 84 



M. clevei (Cotteau) 84 



M. antillarum (Cotteau) 85 



Brissus 86 

 B. brissus (Leske) .' 87 



B. exiguus Cotteau 87 



Eupatagus . 88 



E. grandiflorus (Cotteau) 89 



E. sp. a. . 90 



E. clevei (Cotteau) . 90 



E. antillarum (Cotteau) 91 



E. depressus, sp. nov. 93 



E. abruptus (Gregory) 94 



E. cubensis (Cotteau) 94 



E. elegans, sp. nov. 94 

 E. vaughani, sp. nov. . 96 



E. sp. b. 97 



Breynia . . 97 



B. cubensis Cotteau 97 



Bibliography . . 99 



Description of Plates 100 



Stratigraphic Significance of the Species of West Indian Fossil Echini, 

 By Thomas Wayland Vaughan 



Recent Papers on Geologic Correlations of 

 West Indian Tertiary Deposits . 



Recent Papers on West Indian Palaeontology 



Tentative correlation table of the Tertiary 

 Sedimentary formations of Dominican Re- 

 public 



Cretaceous Species 



Eocene Species 



107 

 108 



109 

 110 



111 



PAGE 



Oligocene 112 



Middle Oligocene 112 



Upper Oligocene .... 113 



Post-Eocene Tertiary Echinoids of Cuba 114 



Tertiary Echinoids from Porto Rico 117 



Tertiary Echinoids from Barbados 119 



Miocene . . 119 



Post-Miocene Echinoids . . ... . 122 



Species of Established Stratigraphic Value 122 



