294 SMITHSONIAN MISCELLANEOUS COLLECTIONS [vOL. 45 



Ascodictyon parvulum new species p. 288 



14. Part of a colony, X g, growing upon a crinoid column, showing 



vesicles arranged in clusters and others apparently without 

 order. 



Chester formation, Jackson county, Kentucky. 



Ascodictyon spar sum new species p. 2S9 



15. Several branches of the adnate colony, showing the usual scattered 



arrangement of the vesicles, X 9. The connecting stolons are 

 not so "clearly shown in the specimen as in the figure. 

 Chester formation, Claxton, Caldwell county, Kentucky. 



