98 
Fig. 146. Vertical section through Cribrochalina variabilis var. salpingoides. 
Natural size. 
Fig. 147. Inner surface of the funnel-shaped form of the latter, showing 
Figg. 148, 149 and 151. Different kinds of tr. ac. 
Fig. 150. 
Fig. 
Fig. 
Fig. 
Fig. 
152 
153 
154 
155 
macro- and micropores. Low power. 
Figg. 148151. Chalinula spec. 
Hartn. VII. 
ac’. 
. Vertical section through Auletta elegans n. sp. Natural size. 
. Corrugated surface of Esperia constricta. Bwk. Nat. size. 
. Vertical section through Synops pyriformis. Half nat. size. 
. Vertical section through an osculum of Synops , magnified. (schematie). 
BE WE I U 7 mel. EN 
