120 TRAVEI^ IN THE EAST IKDIAN ARCfllPELAGO. 



tlie same view, having seen tBis same late formation 

 at an estimated height of six hundred feet above the 

 sea ; and a plateau, which rises in the interior to the 

 height of one thousand teet, he also suspects is of the 

 same origin. Mr. Schneider, however, has described 

 a "talk tbmiatie" about Kupang, which, from its 

 position on the map, would seem to be identical with 

 that seen by Mr. Jukes and myself. This formation 

 Mr. Schneider refers to the age of the " Coral Eag," 

 of the Jui'a, in England. Other fossiliferous strata 

 he regards as belonging to the old Oolitic period, or 

 the Lias, and underljdng all he thinks is a " diorite, 

 or dioritic porphyry and amorphous dioritic por- 

 phyiy — the last, like that found in Humboldt's 

 Bay, on the north coast of New Guinea, and much 

 like the amorphous dioritic porphyiy of Anstralia'* 

 Copper-veins are found more or less wherever the 

 Jurassic beds appear, l>ut in the greatest quantity 

 nearest the diorite. 



On tlie evening of the 24th we steamed out of 

 Knpang Bay, and along the northwest coast of 

 Timur, for Dilli ; and all the way to that port we 

 were so completely under the lee of the land, that 

 we had only c-alms, and light airs from the southeast 

 and east-northeast. With these light winds we 

 always had a veiy clear sky ; but on coming round 

 the southwestern end of Floris, and also on entering 

 Ivupang Bay, each time when there was a strong 

 breeze from the east, the sky was remarkably thick 

 and hazy. Our captain, who has made many voy- 

 ages, at all seasons, in these seas, informs me that the 

 sky is almost always thick when the eastern monsoon 



