Bulletin 26 88 



Lambert, J., Bull. Geol. Soc. France, 1902-1905. 



De Loriol, P., Recueil d'etude paleontologique sur la Fauna 



cretacique du Portugal, 1887-1888. 

 Morton, S. G., Synopsis of the organic remains of the Cretaceous 



Group of the United States, 1834. 

 D'Orbigny, A., Paleontologie franfaise, Description des animaux 



invertebres; Terrains cretaces (Echinides), Vol. 6, 1853-1860. 

 Roemer, F., Die Kreidebildungen von Texas und ihre organischen 



Einschlusse, 1852. 

 Schluter, C., Die regularen Echiniden der norddeutschen Kreide, 



1883. 

 Shumard, B. F., Paleontonlogy of the exploration of the Red 



River of Louisiana in the year 1852: Rept. of Capt. R. B. 



Marcy, U. S. Army, 1853. 

 .Stoliczka, F. Mem. Geol. Survey India, Cretaceous Echinoidea, 



Vol. IV, 1873. 

 Wright, T., Mon. British Fos. Echinodermata of Cretaceous 



Formations: Paleontographical Society, 1 864-1 882. 



Description of Species 



SALENIIDM 



Genus Salenia, Gray 



Salenia volana, n. sp. 



Plate I, figures 1-9 



Dimensions. — Diameter at ambitus, 14 mm.; height, 8 mm.; 



apical disk, 9 mm. ; peristome, 7 mm. 



Description. — The test is subcircular in outline at the ambitus; 

 abactinal surface gently convex, the sides inflated; actinal surface 

 flat or moderately concave. 



The ambulacral areas are narrow, slightly undulating at 

 the abactinal ends, widening gradually from 1.5 mm. at the apical 

 disk to 2 mm. at the peristome. Surface ornamented with 15 to 

 17 alternating, imperforate, mammillated, non-crenulate, longi- 

 tudinally oval, primary tubercles. Situated between these on 

 either side of the median line, especially in the region of the 



