PLATE 117. 



CANNORRHAPHIDA, MEDUSETTIDA et CIRCOPORIDA. 



Diam. Page 



Fig. 1. Circogonia icosahedra, n. sp., . . . x 80 1698 



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, . . X 400 



Fig. 2. Circorrhegma dodecahedra, n. sp., . . . x 80 1699 



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

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



Fig. 2a. The mouth alone, with its five spinulate teeth, seen in profile, X 200 



Fig. 3. Circospathis novena, n. sp., . . . . x 100 1696 



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, . . X 150 



Fig. 4. Circoporus hexastylus, n. sp., . . . x 80 1695 



A single radial spine. 



Fig. 5. Circoporus sexfurcus, n. sp., . . . . x 80 1694 



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

 In the centre the cruciform mouth with four teeth. 



Fig. 6. Circoporus octaJiedrus, n. sp., . . . . x 300 1695 



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., . . . x 300 1667 



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



around the astropyle. 

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



capsule, seen in profile, . . . . x 800 



Fig. 8. Catinulus quadrifidus, n. sp., . . . x 80 1553 



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



spherical calymma. 

 Fig. 8a. Some single pieces of the skeleton, . . x 400 



