

shallow furrows; the) an d with numerous small granules. Only the upper ] .mi of th<- 



vvall, t«' aboul three mm. from the margin, is perforated and even there the pon 3 are few in 

 number and verj small, situated '>n the ribs and in th>- furrows. 



rhe septa in fou . rhose of the firsl cycle are exsert to about 



mm. above the calicular margin, those "l the second cycle i>> one hall mm.. 1 lx- projecting 

 upper porti. >n is spongy, oi epta are thin, their sides being covered with a few 



sm.tll granules. rhey bend rapidly towards the interior, getting their maximal breadth at about 

 the height >>t' tl ular margin, then they fall steeply downwards. rhe septa ol the fourth 



small and not united with those of the third cycle. The edge of the septa of the 

 tïrst and second cycle is entire, and of the third and fourth cycle covered with minute teeth. 



The columella is well developed, spongy, its length is about one half thal of the caliclc. 

 The diameter <>f the calicle is 6 5 mm. The specimen is 23 mm. high. 



