BrLtt— On the Echinoderm Fauna of the Island of Ceylon. 653, 
45. CHIRODOTA RUFESCENS. 
Chirodota rufescens. Brandt, Prodr. descr. Animal., p. 59; Ludwig, Zeitschr. 
f. wiss. Zool. , Xxxv., p. 978; Lampert, p. 230. 
Chirodota variabilis. Sanipor, Holothurien, p. 21; Théel, p. 36 (where correct 
the misprint refuscens). . 
This species, with eighteen tentacles, appears to be widely distributed in the 
Indian Ocean. 
46. HAPLODACTYLA MOLPADOIDES. 
Haplodactyla molpadoides. Semper, Holothurien, p. 41, pl. ix.; Lampert, 
p- 205; Théel, p. 50. 
Owing to the absence of suckers, the thick bodywall and the fifteen tentacles 
of this species should be easily recognised by the collector. The specimens in 
the British Museum were presented to the Trustees by E. W. H. Holdsworth, Esq., 
by whom they were collected. (See note A.) 
47, AcTinopyGa* MAURITIANA (PI. xxxix., fig. 1). 
Holothuria mauritiana. Quoy and Gaimard, Voy. de l’Astrolabe, iv., p. 188. 
Muelleria mauritiana. Brandt, Prodr. descr. Animal., p. 74; Semper, Holo- 
thurien, p. 76; Lampert, p. 98; Théel, p. 201. 
The figure which is given does not represent a large specimen; this species 
is known to attain to a length of as much as 200 mm. 
48. AcTINOPYGA MILIARIS (PI. xu., fig. 1). 
Holothuria miharis. Quoy and Gaimard, Voy. de l’Astrolabe, iv., p. 187. 
Muelleria miliaris. Brandt, Prodr. descr. Animal., p. 74; Lampert, p. 99; 
Théel, p. 200. 
The fine figure illustration of the appearance of this species is one of the best 
of the drawings sent by Dr. Ondaatje, and warrants us in speaking with reserve, 
at any rate, as to the hideousness of Holothurians. 
49, HoLoTHuRIA ARGUS. 
Bohadschia argus. Jaeger, De Holothur., p. 19, pl. ii, fig. 1; Semper, 
Holothur., p. 80; Lampert, p. 87; Théel, p. 203. 
The eye-like spots on the integument, to the possession of which this creature 
owes its specific name, will allow it to be easily detected by the collector. 
* On the name to be applied to the genus, which is ordinarily called Muelleria, see Bell, Ann. & 
Mag. Nat. Hist. (5), xix., p. 892, and xx., p. 148. 
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