92 INVERTEBRATE PALEONTOLOGY. [WHITE. 



52. Spiriferina Kentuckensis Shumard. Confluence of Grand and Green 

 Rivers, Utah. Also occurs in the Lower Aubrey Group at the same locality. 

 (See No. 36.) 



53. Myalina ?. Confluence of Grand and Green Rivers, Utah. 



Occurs also in the Lower Aubrey Group at the same locality. (See No. 38.) 



54. JEdniondia f. Confluence of Grand and Green Rivers, Utah. 



55. Belleroplion Montfortianus Norwood and Pratten. Confluence of 

 Grand and Green Rivers, Utah. The specimens are imperfect, 'but have 

 apparently the markings and other characteristics of this species as it occurs 

 in the Coalmeasures of the Mississippi Valley, but the shell is evidently more 

 elongate or less compact. 



56. Belleroplion carbonarim Cox, var. subpapillosus White. Bee-hive 

 Point, near Echo Canon and near Echo Park, Utah. Also at Junction 

 Mountain and near Diamond Peak, Northwestern Colorado. This variety 

 differs from the typical forms of the species in its larger size and in having 

 that part of the last volution, which is plain in the typical shell, marked 

 .with distant, slightly-raised papillae/arranged in rows corresponding to and 



continuous with the revolving striae. 



i 



MESOZOIC AGE. 



JURASSIC PERIOD. 

 FLAMING GORGE GROUP. 



57. Pentacrinus asterisous Meek and Hayden. Flaming Gorge ; Santa 

 Clara River, two miles below Gunlock ; Diamond Valley ,- Lower Potato 

 Valley ; " White Hills," south of Twelve-mile Creek, near Gunnison ; three 

 or four miles south of Kanara, Utah ; and at the Vermilion Hog-backs, 

 Northwestern Colorado. The specimens consist only of joints of the col- 

 umn, the only part of the species yet discovered. 



58. Spine of Echinoid, too indefinite for either specific or generic rec- 

 ognition. Santa Clara River, two miles below Gunlock, Utah. 



59. Eliynclionella gnatlioplwm Meek. Flaming Gorge, Utah, and Ver- 

 milion Hog-backs, Northwestern Colorado. 



