DEC 3 1825 



REVUE CRITIQUE 



DE 



le jû^ L É O Z O O L O Q- 1 E 



ET DE PALl^OPHYTOLOGlIi: 



Numéro 4. — Octobre 1933 



SOMMMIÎK : 



Pages 



Paléontologie générale, par auteurs divers 2o5 



Mammifères et Reptiles, par MM. Cossmann, Gii.moee, etc 207 



Poissons, par MM. d'Erasmo, Cossjiann, etc 222 



Trilobites et Crustacés, par MM. Van Straei-en, etc 227 



Insectes, par M. II. Buolkmanx, etc . ' 282 



Paléoconchologie, par M. Cossmann, etc 286 



Echinodermes, par MM. Lambert, F. -A. Bather, etc aSo 



Rubriques diverses 259 



Rectifications de nomenclature et de date 2G1 



Paléophytologie, par MM. Cossmann, Principi, etc 261 



PALÉONTOLOGIE GÉNÉRALE 



Henderson, Junius, Récent Progress in Colorado Pa.leontology and 

 Stratigraphy. Proc. Colorado scient. Soc, vol. XI, pp. 5-22. 1914. 



The paper mentions as especially notable the renewed activity in the study 

 of the fossil insects and plants from the Florissant Tertiary bèds, resulting 

 of the description of many new species, shifting the âge of the formation 

 from the Oligocène to the Miocène, and showing that there has been but 

 little progressive évolution of either plants or insects since the Miocène, 

 More than l.OCO species of insects and 200 species of plants are now known 

 from thèse beds. The fish remains from the Ordovician at Canon City and 

 a new fmd of ganoid fragments associated with Ordovician fossils in the 

 Ohio City district are discussed. Halysites catenulalus, an Ordovician coral, 

 is reported from near Ohio City, Colorado, associated with Devonian fossils, 

 and from the Devonian of Utah. The echinoid order Cidaroides, formerly 

 not known below the Permian, is represented in the Millsap Mississipian 

 (Lower Carboniferous) by Miocidaris Cannoni Jackson. This species 



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