222 THE ECHINODERMS OF TORRES STRAIT. 
Piate 30. Leiaster brevispinus. 
Fia. 1. Aboral surface of holotype; Hawaiian Islands. 
2. Oral surface of holotype; Hawaiian Islands. 
Both figures natural size. 
PuLaTE 31. 
Fia. 1. Ferdina ocellata; holotype; Mer; aboral surface. 
. Ferdina ocellata; holotype; Mer; oral surface. 
. Fromia hadracantha; holotype; Philippine Islands; aboral surface. 
. Fromia hadracantha; holotype; Philippine Islands; oral surface. 
. Fromia pacifica; holotype; Hawaiian Islands; aboral surface. 
. Fromia pacifica; holotype; Hawaiian Islands; oral surface. 
. Tamaria lithosora; holotype; Zanzibar; aboral surface. 
. Tamaria lithosora; holotype; Zanzibar; oral surface. 
All figures natural size. 
CONTI Or GO DD 
Puate 32. Hacelia superba. 
Fia. 1. Oral surface of holotype; off Barbados, 100 fms. 
2. Aboral surface of holotype; off Barbados, 100 fms. 
Both figures natural size. 
PLATE 33. 
Fig. 1. Ophiothrix longipeda; Suva, Fiji; aboral surface. 
2. Ophionereis porrecta; Mer; aboral surface. 
3. Ophionereis porrecta; Mer; oral surface. 
4. Ophiothrix trilineata; Mer; typical coloration; aboral surface. 
5. Ophiothrizx trilineata; Mer; aberrant coloration; aboral surface. 
Fig. 1 about 34 nat. size. All other figures, natural size. 
PLATE 34 
Fia. 1. Ophiarachna incrassata; Mer; aboral surface. 
2. Ophiarachna incrassata; Mer; oral surface. 
3. Ophiocoma brevipes; Mer; aboral surface. 
4. Ophiocoma brevipes; Mer; oral surface. 
All figures natural size. 
PLATE 35. 
Fira. 1. Ophioplocus imbricatus; Mer; aboral surface. 
Ophioplocus imbricatus; Mer; oral surface. 
. Ophioplocus imbricatus; Mer; aboral surface of specimen with heavily marked disk. 
. Ophiarachnella gorgonia; Mer; aboral surface. 
. Ophiarachnella gorgonia; Mer; oral surface. 
Fibularia volva?; Badu; aboral surface. 
Fibularia volva?; Badu; oral surface. 
. Fibularia volva?; Badu; side view. 
Fibularia volva?; Badu; interior view of oral half of test. 
CONONPwONS 
PLaTE 36. 
Fia. 1. Oligometra anisa; structural details. a, Cirrus. b, pi. ¢, pe. d, ps. e, ps. Fig. la is X4; the others 
are X3. 
Stephanometra callipecha; structural details. Letters as under fig. 1; all figures <3. 
. Stephanometra stypacantha; structural details. Letters as under fig. 1; all figures <3. 
. Heterometra delicata; structural details. Letters as under fig. 1, with f, basal part of arm. Fig. 4f is 
X83; the others are <5. 
. Bunaster uniserialis; holotype; oral view of basal part of arm, <9. 
. Bunaster uniserialis; holotype; aboral view of basal part of arm, x9. 
. Bunaster uniserialis; a single pedicellaria and its surroundings, X95. 
. Valvaster spiniferus; holotype; Mer; three adambulacral plates, showing diversity of armature, X 10. 
. Valvaster spiniferus; holotype; Mer; bit of aboral margin of arm, showing two of the huge pedicellarix, 
X3. 
10. Ophiomastix caryophyllata; Mer; three upper arm-plates, <5. 
11. Ophiomastizx corallicola; Mer; three upper arm-plates, 5. 
12. Leptosynapta latipatina; holotype; Friday Island. a, Anchor, X200. 6, Anchor-plate, 200. c, Miliary 
particles, «450. 
13. Leptosynapta dolabrifera; Port Jackson, N.S. W.; anchor, 200. 
14-21. Trochodota maculata; holotype; Mer. 
14. A tentacle, 35. 
15. An excretory funnel, 400. 
16. Inner face of distal half of excretory funnel, 400. 
17. Piece of calcareous ring, 35. 
18. Wheel, 450. 
19, 20. Sigmoid bodies, 450. 
21. Tentacle-rods, 450. 
Pwd 
COnan 
