HOLOTHtJRIOIDEA OF THE INDIAN OCEAN. 



99 



Explanation of Plates. 



Plate V. 

 Holothuria hamata, n. sp., from the dorsal side. X 1. 



Plate VI. 



Holothuria hamata, n. sp. 



Fig. 2a. — View of table from below. X 600. 

 Fig. 26. — Side view of table. X 600. 

 Figs. 2c, 2d. — Knobbed buttons. X 600. 

 Fig. 2e. — Calcareous ring. X 4|. 



Holothuria maculosa, n. sp. 



Fig. 3a. — View of table from below, x 500. 



Fig. 36. — Side view of table. X 500. 



Fig. 3c. — View of table from above. X 300. 



Fig. 3d. — Knobbed button. X 500. 



Fig. 3e. — Spicules in neighbom-hood of papillse. X 500. 



Fig. 3y. — Perforated rods from the papillae. X 500. 



Fig. 3g. — Calcareous ring. X 4. 



Plate VII. 



Holothuria marmorata (Jager). 



Figs. 4a, 46, 4c. — Typical spicules. X 1,000. 



Fig. 4rf. — Spiciiles from the deeper hypodermis. X 1,000. 



Fig. 4e. — Calcareous ring, x 2. 



Holothuria argus (Jager). 



Figs. 5a, 56. — Supporting rods from pedicels, x 400. 

 Fig. 5c. — H -shaped spicule from pedicel. X 500. 

 Figs. 5d, 5e, 5/, 5g. — Typical spicules. X 1,000. 

 Fig. 5^. — Calcareous ring. X 2. 



Holothuria vitiensis, Semper. 



Fig. 6a. — H -shaped spicvile from pedicel. X 500. 

 Figs. 66, 6c. — Supporting rods from pedicels. X 500. 

 Figs. 6d, 6e, 6/. — Typical spicvdes. X 1,000. 

 Fig. Qg. — Calcareous ring. X 2. 



Plate VIII. 



Holothuria graffei. Semper. 



Figs, la, 76, 7c. — Spicviles. x 1,000. 

 Fig. Id. — Spicule. X 750. 

 Fig. 7e. — CalcareoTis ring. X 2. 



Holothuria glaberrima, Selenka. 



Figs. 8a, 86, 8c. — Spiciiles. X 600. 



Fig. 8c?. — Calcareous ring, x 8. 

 Holothuria lubrica, Selenka. 



Fig. 9a. — Calcareous ring. x 3. 



Figs. 96, 9c, 9cZ.— Spicules. /^ 450. 



