DESCRIPTION OF THE EXPEDITION. 128 
any shallow banks in the open ocean within 50 or 60 miles of themselves by the presence 
of coral or rock, ground down to the consistency of mud *. 
On the following morning we approached Cargados Carajos Bank, passed along to 
Fie, 28. 
2ethA uquse 1905 
* 
== —26—23—19 t 
_——33 —33 —3.J—<— 30 —28 26 —26—23 ; 
asa aye can cH wescrl ws WS ey as ” : 
augusl ese 4 Island, 
29 =Sig- aie 12 . 
* 
Siren Island @ 
1S ete 
Wa agecwewe 
ANd a pill 
2S Frigate I. 
Le a 
s 
e 
4 
ei 
30 
ta 
10 
B.10 
33 
37August 1905 
29—29—28 
s. ork. erls. cri. crl 
Cargados Carajos (after the Admiralty chart). B 1-30, dredgings and course of H.M.S. Sealark. 
leeward of Coco, Frigate, Pearl, and Siren Islands, and anchored opposite Establishment 
Island about noon+. ‘This is one of the northern islands on a large crescentic-shaped 
* This mud is to be carefully distinguished from the “red clay ” found in the deepest waters of the ocean and 
consisting almost entirely of the siliceous shells of radiolaria. 
+ Cargados Carajos is identical with St. Brandon. We learn from Horsburgh (Joe. cit. p. 123) that the Chevalier 
Grenier sailed along it in 1769. The existing chart was made by Captain Sir Ed. Belcher, H.M.S. ‘ Samarang,’ in 
1846, being partially founded on a chart made by Lieut. Mudge, of the East India Company’s Service, in 1826. 
