PLATE LXXVI. 



PAGE 



Figs. 1-3. Farrea occa (Bowerbank), Carter, . . 277 



(Erroneously named Farrea luvckelii on the Plate.) 

 Fig. 1. Dictyonal skeleton of the marginal portion of the tube- wall ; x 50. 

 Fig. 2. Dictyonal skeleton of the basal portion (combination figure) ; x .50. 

 Fig. 3. Dictyonal skeleton of the middle portion ; x 50. 



Figs. 4, 5. Farrea (f) sp., , . .288 



Fig. 4. Basal portion of the macerated dictyonal skeleton of an infundibuliform 

 specimen ; natural size. 



Fig. 5. Part of the dictyonal skeleton of the specimen figured in fig. 4 ; x 100. 



