1914.] NATURAL SCIENCES OF PHILADELPHIA. 207 



differs by the narrower ainbulacral petals, the vertically truncate 

 posterior end, wider peristome, equal genital pores, and the different 

 arrangement of the tubercles. 



The largest specimen is 64 mm. long. The type is No. 1147 

 A. N. S. P. 



Explanation of Plate VIII. 

 Upper, lateral and basal views of Eupatagus mooreanus Pils. 



