PLATK XLV. 



Fig. 1,—Aeifnoptychus altcrrfans Mniui. Enlarged 1,000 diameters. Description, p. 270, 

 Fig. 2,—Actinopfi/eh us planus Srunn. Knltirged 710 diameters. Doscription, p. 271. 

 Fuj. ^.—ActhtopfifclHia radalus Mami. Enlarged 575 diameters. Description, p. 271, 

 FiCr. A.—Astcromphalns nanus Mann. Enlarged 612 diameters. Description, p. 27t>* 

 Fig. r*.-^ Ante romp hid us van hairckii Maaii. Enlarged 6G0 diameters. Description, ]>. 276. 

 Fig. CK—Stephattopyxiti trisculpta Mann. Enlarged 650 diameters. Description, p, 245. 



424 



