THE SPONGES OF THE WEST-CENTRAL PACIFIC 



287 



T. E. Bullock collected at Eniwetok in the summer of 1948. He did not 

 find a single sponge species that Morrison had found there in 1946, nor did 

 Morrison find a single one of those discovered by Bullock. 



No data has been given to me as to Bullock's collection methods — whether 

 dredging, diving, or wading — and no depths are given. Nor is there any 

 information as to what part of the atoll is represented. His Eniwetok collec- 

 tion includes the following six species : 



1 Ircinia halmiformis. This is a very strange sponge, previously known 



only from Australia. I did not find it anywhere. 



2 Thorectopsamma xana. I found it in abundance in the Marshalls, less 

 common at Truk and the Palaus. It is not reported elsewhere. 



3 Spirastrella decumbens. I found it common throughout the Marshalls, 

 and at Truk. It has been hitherto known as an East Indian species. 



4 Aaptos unispicuhis. I did not find it anywhere. It has been recorded 

 from the Indian Ocean region. 



5 Jaspis stellifera. I found it at Truk. The earlier records are Australian. 



6 Chondrilla australiensis. I found it in the Marshalls (Majuro and 

 Likiep). Earlier records are Australian. 



Bikini Atoll is the nearest to Eniwetok of any of the Marshall Islands. 

 I did not visit it personally, but it has been much studied. Twelve species of 

 sponge were collected there in 1946 and sent to me for study. All of these 

 were collected by J. P. E. Morrison, except numbers 9 and 10 which were 

 collected by F. M. Bayer. Numbers 2 to 8, inclusive, were dredged out in the 



H-40 



: NAMU IS. 



A 



BIKINI 



ATOLL 



rV 



V> 



v. 



KINI 

 ISLE 



'*. .1 



*" 



% 



KORORYURU IS. 



% 



<N 



** 



irao'. 



< S i BE 



01 



I 



ENYU 



* 



165* 15* 



165* 30" 



Text Figure No. 196, Map number 11. Bikini Atoll. The scale reads in kilometers. Stars 

 indicate areas where sponges were reportedly found. 



