J 



60 THE GREAT BARRIER REEF. 



CHROMO PLATE XII. 

 GREAT BARRIER REEF HOLOTHURIiE OR BECHE-DE-MER. 



Figs. I and 2. — Commercial Beche-de-mer, "Red Fish," Actinopyga obesa, p. 236. Fig. i, illustrat- 

 ing ventral and oral regions, with expanded tentacles ; and Fig. 2, dorsal view of posterior 

 extremity with vent. Life size and colours. 



Fig. 3. — "Green Prickly-Fish," Stichopus chloronotiis, p. 235. Non-commercial; with extended 

 tentacles, life size and colour ; 3A, Polynoe-like annelid, that lives as an external commensal 

 on the body of Stichopus. 



Fig. 4. — Colocliirus aiiccps, p. 242. Non-commercial ; life size and colour. 



Fig. 5. — Snake-like Beche-de-mer, Holothnria coluber, p. 238. The anterior moiety of the animal, 

 with expanded tentacular crown, is alone visible ; natural size. 



Fig. 6. — Commercial Beche-de-mer, " Black Fish," Actinopyga polymorpha, n.sp. p. 236. The 

 anterior region only, with expanded tentacles. 



Fig. 7. — "Leopard" or "Spotted Fish," Holothnria argits, p. 238. The posterior moiety, with 

 vent ; natural size. 



Fig. 8. — Giant Synapta, Synapta Beselii, p. 242. Life size and colour. 



Fig. 9. — Synapta sp., p. 242. Group of variously-coloured individuals, life size and colour. 



Fig. 10. — Fish, "Glass Eel," Fierasfer sp., p. 241, that lives as a commensal within the body- 

 cavity of the large teat-fish, Holothnria mammijera : natural size. 



