PLATE XXVI. 



Dactyloidites asteroides (p. 41). 



Fig. 1 . The fine medusa? illustrated on this plate occur on the surface of a slab of slate (37 by 62 

 inches) on which there are 43 ruedusa? and many annelid trails, a is a large specimen, 

 and, with b and fig. 1 of PI. XXIV, represents the extreme pressing out of the lobes of 

 the umbrella. This is less in e and c. The 5-lobed d may be compared with fig. 6 of 

 PI. VI, and b and e with fig. 5 of PI. XXII. 



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