QUERIES. 



265 



lect information upon certain interesting subjects, 

 concerning which the Secretary of the Bombay 

 Geographical Society had (Dec. 8, 1856) for- 

 warded to Government the following remarks : — 

 'It will be eminently interesting to know 

 whether the great limestone formation, extending 

 in one vast continuous band from the banks of 

 the Burrumputra to those of the Tagus, and 

 from which Captain Burton forwarded valuable 

 specimens from the Somali country, prevails as 

 far south as the Line, and to what distance it 

 extends into the interior. It will be desirable to 

 ascertain whether the upheaved sea-beach, such 

 as that which forms the esplanade, and is the 

 favourite habitat of the cocoa-nut groves around, 

 prevails along the shores of xifrica, and whether, 

 if so, it manifests those signs of a double depres- 

 sion or upheaval which characterize it in most 



parts of the world Of the £300,000 



worth of commerce between Eastern Africa and 

 Western India — the principal part being that of 

 Zanzibar — gums and resin-trees form an import- 

 ant part, nearly £20,000 worth being exported 

 from Zanzibar. The most valuable of these are 

 copal and gum Animi, the principal supplies 

 being found under-ground, from which they are 

 washed out by streams and torrents. Like the 



