88 INVERTEBRATE PALEONTOLOGY. [WHITE. 



CATALOGUE OF THE FOSSILS COLLECTED BY THE 

 VARIOUS PARTIES IN THE FIELD DURING THE 

 YEARS 1868 TO 1875, INCLUSIVE. 



CARBONIFEROUS AGE. 



CARBONIFEROUS PERIOD. 

 RED WALL GROUP. 



1. Chaetetes. milleporaceus Troost. Gypsum Canon, Colorado River, 

 Utah. The specimens have their characters obscured by silieification, but 

 they doubtless belong to this species. It also occurs in the Lower Aubrey 

 Group. (See No. 4.) 



2. Syringopora multattenuata McChesney. Gypsum Canon, Colorado 

 River, Utah. 



3. CampophyUum f. Cataract Canon, Utah. A large species, 



larger than C. torquium Owen, but the specimens are too imperfect for full 

 specific description. 



LOWER AUBREY GROUP. 



4. Chaetetes milleporaceus Troost. Split Mountain Canon, Green River, 

 Utah. Also obtained from the Red Wall Group. (See No. 1.) 



5. Fistulipora f. Confluence of Grand and Green Rivers, Utah. 



Weathered specimens. . 



6. Syringopora ?. Confluence of Grand and Green Rivers, 



Utah. Specimens consisting of rather small, flattened, or subspherical 

 masses. Tubes small and much distorted, but imperfect by silieification. 



7. Amplexus mplirentiformis White. Near Echo Park and at Split 

 Mountain Canon, Utah. Described on a following page. 



8. Lopliopliyllum prolifemm McChesney. Confluence of Grand and 

 Green Rivers, Utah. Characters more nearly typical than those of the 

 variety called Sauridens found near Santa Fe, New Mexico. 



9. Lithostrotion ? York, Utah ; west base of Wasatch range. 



10. Acervularia f. Split 'Mountain Canon, Green River, Utah. 



