PLATE 117. 



Cannorrhaphida, Medusettida et Circoporida. 



Fig. 1. Circogonia icosahedra, n. sp., 



The entire shell, with twelve radial tubes and twenty triangular faces 



In the centre of one face is the mouth, with six teeth. 

 Fig. la. The mouth alone, with its six spinulate teeth, 



Fig. 2. Circorrhegma dodecahedra, n. sp., . 



The entire shell, with twenty radial tubes and twelve pentagonal faces 



In the centre of one face is the mouth, Avith five teeth. 

 Fig. 2a. The mouth alone, with its five spinulate teeth, seen in profile, 



Fig. 3. Circospathis nove?ia, n. sp., . 



The entire shell, with nine radial tubes and fourteen triangular faces. 



In one face (to the left above) is the mouth with nine teeth. 

 Fig. 3a. The mouth alone, with its nine spinulate teeth, 



Circoporus hexastylus, n. sp. 

 A single radial spine. 



Fig. 4. 



Fig. 5. Circoporus sexfurcus, n. sp., . 



The entire spherical shell with six forked and ciliated radial tubes. 

 In the centre the cruciform mouth with four teeth. 



Fig. 6. Circoporus octahedrus, n. sp., 



The entire shell, with six verticillate radial tubes and eight triangular 

 faces. In the centre of one face is the mouth, with four teeth. 



Fig. 7. Cortinetta tripodiscus, n. sp., 



The entire shell with the enclosed central capsule, and the phseodium 



around the astropyle. 

 Fig. 7a. The astropyle, partly detached from the wall of the central 



capsule, seen in profile, ..... 



Fig. 8. Catinulus quadrifidus, n. sp., 



A complete specimen, with four equal central capsules, united in a single 



spherical calymma. 

 Fig. 8a. Some single pieces of the skeleton 



Diam. 

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