1910.] FROM MERGUI ARCHIPELAGO. 193 



descriptions. The tables have eight peripheral holes and a larger 

 central one. The margin of the table is spinous. The spine is 

 very short, and bears at the extremity eight large teeth as well 

 as numerous smaller spines. The smooth buttons generally have 

 six holes, but in some cases there are eight or ten. 



Height of the tables 52 it. 



Diameter of the tables .. . 63 /x. 



Length of buttons 55 it. 



General distribution. Florida, Egmont Key. 



Holothuria scabra Jaeger. 

 Holothuria scabra Jaeger, 1833 (2). 

 Holothuria tigris Selenka, 1867 (6). 



Holothuria scabra Semper, 1868 (7); Lampert, 1885 (13); 

 Theel, 1886 (15); Sluiter, 1887 (18); Ludwig, 1887 (17). 

 Holothuria cadelli Bell, 1887 (16). 

 Holothuria scabra Sluiter, 1901 (20). 

 Holothuria gallensis Pearson, 1903 (21). 

 Holothuria scabra Koehler & Vaney, 1903 (22). 

 One specimen from Station XXYIII. Biou Is. 



Length 175 mm.; breadth 60 mm. 

 This form is undoubtedly identical with Holothuria gallensis 

 Pearson. 



Diameter of tables ... 70 fx. 



Height of tables 44 fi. 



Length of buttons ... 37 /.i. 

 General distribution. Indian Ocean from East Coast of Africa 

 to the East Indies, Philippines, Fiji. 



Bibliography. 



(1) Forskal, P. — " Descriptiones animalium, quse in itinere 



orientali observavit " : post mortem auctoris eclid. Niebuhr. 

 Havnise, 1775. 



(2) Jaeger, G. F. — " De Holothuriis." Dissert. -inaug., 1833. 



(3) Quoy & Gaimard. — Voyage de l'Astrolabe. Zoologie, T. iv. 



Paris, 1833. 



(4) de Blainville, H. M. D. — Manuel d'Actinologie ou cle 



Zoophytologie. Paris, 1834. 



(5) Grube, A. E. — Aktinien, Echinodermen und Wiirmer des 



Adriatischen und Mittelmeers. Konigsberg, 1840. 



(6) Selenka, E. — " Beitrage zur Anatomie und Systematik der 



Holothurien." Zeit. f. wiss. Zool. Bd. xvii., 1867. 



(7) Semper, 0. — Reisen im Archipel der Philippinen. 2. Th. 



1. Bd., 1868. 



(8) Ludwig, H. — " Beitrage zur Kentniss der Holothurien mit 



Nachtrag." Arb. zool.-zoot. Inst. Wiirzburg, Bd. ii. 

 Heft ii., 1875. 



(9) Sluiter, C. — "Ueber einige neue Holothurien von der "Wet- 



Kiiste Java's." Nat. Tijd. v. Ned. Ind., Bd. xl., 1880. 

 Proc. Zool. Soc— 1910, No. XIII. 13 



