Plate 106 



Fig. 1. Coelosphaeriwn duhium Grunow, x 825 (after Smith) 



Fig. 2. Coelosphaeriwn Kuetzingianum Naegeli, x 750 



Fig. 3. Coelosphaeriwn pallidum Lemmermann, x 500 



Fig. 4. Coelosphaeriwn Naegelianwn Unger, x 750 



Fig. 5. Gomphosphaeria aponina Kuetzing, x 600 



Fig. 6. Gomphosphaeria aponina var. cordiformis Wolle, x 590 



Fig. 7. Go7nphosphaeria aponina var. delicatula Virieux, x 500 



Fig. 8. Gomphosphaeria lacustris var. compacta Lemmermann, x 

 750 



Fig. 9. Gomphosphaeria lacustris Chodat, x 600 



Fig. 10. Gomphosphaeria aponina var. gelatinosa Prescott, x 600 



[872] 



