PLATE XXIX 



PAGE 



Fig. 1. CBYPTOZOON PBOLIFEBUM Hall 189 



Photograph of the upper side of a well preserved example of this 

 characteristic fossil, the original of which is 22 inches wide. 

 The unequal size of the confluent heads is a characteristic 

 feature in this species. 



Cambrian (Ozarkian), Hoyt Is. near Saratoga Springs, New 

 York. 



Fig. 2, 3. CBYPTOZOON UNDULATUM Bassler n. sp 190 



2. Edge view of lower portion of a specimen showing the rather evenly 



undulating layers which form a pseudocolumnar structure. 



3. Under side of same specimen illustrating the relatively equal pro- 



portions of the areas formed by the undulating layers. 



Cambrian (Ozarkian), Conococheague Is., one mile south of 

 Pleasant Hill School (2% miles southeast of Funkstown), 

 Maryland. 



370 



