PLATE XLIX. 



ri(i. 



1-3. Smittia trispinosa, p. 353 ; vars. 

 4. , var. a (Jeffreys:). 



5. ^ var. without raised peristome and with 



very numerous oval avicularia. 



6. , old and highly calcified. 



7. — — - , with ooecia. 



8. , smooth, marginal cells. 



9. Phylactella eximia, p. 359*. 

 10, 11. Smittia affinis, p. 348. 



* 111 the text this figure is wrongly numberetl 11. 



