168 BULLETIN 82, UNITED STATES NATIONAL MUSEUM 



Albatross station 5483; between Samar and Leyte, in the vicinity of Surigao 

 Strait; Cabugan Grande Island (N.) bearing N. 88 W., 5.7 miles distant (lat. 10 

 27' 30" N., long. 125 19' 15" E.); 135 meters; sand and broken shells; July 30, 

 1909 [A. H. Clark, 1911] (1, U.S.N.M., 34838). 



Port Galera, Mindoro; Dr. Laurence E. Griffin (4, M. C. Z., 655, 656). 



Off Cape Padaran, southern Annam (lat. 11 38' N., long. 109 41' E.); 146 

 meters; from the Cape St. James-Hong Kong cable; M. H. Ellis, June 4, 1927 [A. H. 

 Clark, 1929] (1, B. M.). 



Geographical range. IVom the Maldive Islands and Ceylon eastward to the 

 Lesser Sunda Islands, Western Australia, the Moluccas, the Philippines, and southern 

 Annam. 



Bathymetrical range. From the low-tide mark down to 135 meters; the average 

 of 23 records is 49 meters. 



History. The first known specimen of this species was collected by Peron and 

 Lesueur in the Moluccas in 1803. This, together with two others collected at the 

 same time, one of which represented Comaster multifida and the other Comanihus 

 bennetti, was examined by Lamarck, and from his study of these three he drew up 

 his description of Comatula rnultiradiata (1816). 



In 1849, J. Miiller referred this specimen to the Linnean Asterias rnultiradiata as 

 redescribed by Ketzius in 1805. He himself had examined the Linnean type at 

 Lund, and in 1843 had published a detailed description of it. In 1849 he modified 

 this so as to include Pe"ron and Lesueur's example. Thus he gave the number of the 

 arms as 40 to 50 instead of 30 to 40 as given by Retzius, and the number of cirrus 

 segments as 20-30 instead of 24. 



He had long been aware that Lamarck's Comatula multiradiata was a composite, 

 for in 1841 he had redescribed it, basing his redescription, published under the name 

 Alecto multifida, upon the specimen representing the species now known as Comaster 

 multifida. 



In 1862 Dujardin and Hupe used the name Comatula multifida to cover all of 

 the specimens which had been studied by Lamarck. Under the name Actinometra 

 multiradiata they reprinted Muller's redescription of the specimen (Capillaster 

 multiradiata) at Lund described by Linne" and by Retzius. 



Dr. P. H. Carpenter in 1879 accepted Miiller's reference of Pe"ron and Lesueur's 

 specimen to multiradiata. 



In 1882 he published a revised description of multiradiata which was based upon 

 two specimens collected by the Challenger at Banda. These were similar to the 

 Moluccan specimens collected by Pe'ron and Lesueur and by Quoy and Gaimard. 

 He mentioned both of these and gave notes on them, having examined them at 

 Paris. He included as conspecific with these four examples the type specimen of 

 multiradiata at Lund, and another in the Hamburg Museum from Sumatra, both of 

 which represent multiradiata. 



In the Challenger report (1888) Carpenter described sentosa as distinct from 

 multiradiata, his description being the same as that published under the name mul- 

 tiradiata in 1882 and based upon the two Challenger specimens from Banda. He 

 remarked that he had only seen "three specimens of Actinometra sentosa, one which 



