PLATE XVI. 



LAOTIEA CAMBRIA (p. 32). 



Fig. 1. A distorted specimen in which the subunibrella lobes and oral arms have been drawn oat 



and preserved on the surface of a small nodule. 

 Fig. 2. Another distorted specimen, somewhat similar to fig. 1. 

 Fig. 3. A distorted specimen with the lobes spread out on the surface of the nodule. 

 Fig. 4. Same type of specimen as fig. 3. 

 Figs. 5, 5a. Two views of a distorted specimen which represents a number of similar specimens in 



the collection. 



Planolites. 



Figs. 6, 7, 8. Casts of annelid trails or borings on nodules associated with the medusee. These are 

 introduced to show, in connection with figs. 1 and 5 of PI. XV, the character of the 

 casts of the annelid trails and borings occurring often on the same nodules with the 

 medusae. 

 All figures natural size and reproduced from photographs. 



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