The inner shell, exhibiting on its base the widely open mouth, and in its upper half the transparent spherical central capsule with its nucleus. Of the outer shell (which is connected with the inner by thin radial threads), only a few polygonal meshes are visible. Fig. 5. _Cannosphæra atlantica_, n. sp., × 200 1640 The inner shell, connected by spiny radial beams with the outer shell, a quadrant only of which is visible. Fig. 6. _Cannosphæra atlantica_, n. sp., × 200 1640 A single radial spine, with five terminal branches. [Illustration: CANNOSPHAERA.] PLATE 113. LEGION PHÆODARIA. Order PHÆOGROMIA. Family CASTANELLIDA. Fig. 1. _Castanissa challengeri_, n. sp., × 100 1686 In the lower part of the figure is visible the large corona of teeth around the mouth (_a_). Fig. 2. _Castanidium moseleyi_, n. sp., × 80 1686 In the upper part of the figure, at left, is visible the irregular polygonal mouth (_a_). Fig. 3. _Castanopsis naresi_, n. sp., × 80 1688 In the upper part of the figure is visible the smooth circular mouth (_a_). Fig. 4. _Castanura tizardi_, n. sp., × 80 1689 Fig. 4_a_. A single main-spine of the same, × 400 Fig. 5. _Castanidium murrayi_, n. sp., × 100 1685 With a large phæodium, partly protruded through the circular mouth. Fig. 5_a_. A single main-spine of the same, hexagonally dimpled, × 400 Fig. 6. _Castanella wyvillei_, n. sp., × 100 1683 A piece of the shell with the mouth, armed with six large teeth (_a_). Fig. 7. _Castanidium buchanani_, n. sp., × 100 1685 A piece of the shell with the smooth roundish mouth (_a_). [Illustration: CASTANELLA.] PLATE 114. LEGION PHÆODARIA. Orders PHÆOCYSTINA ET PHÆOGROMIA. Families CANNORRHAPHIDA et CIRCOPORIDA. Fig. 1. _Haeckeliana darwiniana_, n. sp., × 200 1702 A complete shell. Fig. 2. _Haeckeliana darwiniana_, n. sp., × 400 1702 A single coronet of pores. Fig. 3. _Haeckeliana goetheana_, n. sp., × 300 1702 The oral part of the shell with the mouth. Fig. 4. _Haeckeliana lamarckiana_, n. sp., × 400 1701 A single coronet of pores. Fig. 5. _Haeckeliana maxima_, n. sp., × 300 1701 A single coronet of pores. Fig. 6. _Haeckeliana porcellana_, John Murray, × 200 1701 A complete shell. Fig. 7. _Distephanus corona_, n. sp., × 800 1566 A single pileated piece (half from the side, half from below). Fig. 8. _Distephanus corona_, n. sp., × 800 1566