CONTENTS. 
Page. 
Letter of transmittal 7 
Introduction 9 
Scope of investigation 9 
Geography of region 9 
History of geological studies 10 
treology of the region . _ 13 
Distribution of fossils in the Malone district 16 
Occurrence of species by localities. . 16 
Age of Malone fauna . . . 19 
Localities of related faunas 21 
Acknowledgments 22 
Stratigraphic notes on Malone Mountain and the surrounding region, near 
Sierra Blanca, Tex., by T. W. Stanton 23 
General remarks 23 
Malone Mountain and the Jurassic 24 
The Cretaceous . 28 
Quitman Mountains ... 28 
The Rio Grande section . . 30 
Eagle Mountains 32 
Sierra Blanca 32 
Finlay Mountains 32 
Other localities ■ 32 
Descriptions of the species 34 
Ccelenterata . 34 
Anthozoa . 34 
Echinodermata 35 
Echinoidea 35 
Holectypoida . 35 
Spatangoida 36 
Vermes . . . 37 
Annelida 37 
Tubicola 37 
Molluscoidea 38 
Bryozoa 38 
Diastoporidae 38 
Mollusca 39 
Pelecypoda .- 39 
Ostreidae 39 
Spondylida? 43 
Limida? 43 
Pectinidse 44 
Aviculidae 46 
Mytilidse 48 
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