the rock has always been poor in ohvine of which only a few 

 fresh grains are left, while the rest has been altered into a 

 yellowish-brown serpentine substance. No chloritic scales have 

 been met with. I have also had an opportunity of examining 

 some specimens from Erkiligartek (INE. of Cape Dan). The chief 

 species is a very light-coloured biotite gneiss rich in garnet. 

 Microscopical examination shows it to consists mainly of ortho- 

 clase and quartz, sometimes forming «myrmekitic intergrowths» ; 

 the quartz occurs in the form common in gneisses, with un- 

 dulating, irregular and idented outlines. The species in question 

 does not contain much plagioclase ; the biotite has no inter- 

 positions, and the garnet shows nothing remarkable. In this 

 rock there is a dyke similar in character to the above-mentioned 

 basalts. It is somewhat coarser, the magnetite is not conspi- 

 cuous, and I have not come across fresh olivine, but the ser- 

 pentic and chloritic elements occur more abundantly. Not- 

 withstanding this the rock has retained a comparatively fresh 

 appearance, and I may add that several of the true basalts of 

 this type from Scoresby Sound are more strongly metamorphosed 

 than is the case with this rock. 



I have further had an opportunity of examining some in- 

 teresting specimens from the same district, from An a va, one 

 of the Cape Dan islands ilat. 65° 38' N. and long. 37° 7' W.). 

 To judge from the label there should be in the neighbourhood 

 a granitic rock, but of this there are no specimens. Instead 

 of this I found a moderately coarse, green amphibolite consisting 

 of green hornblende with a centre or centres of a light-coloured 

 mineral undoubtedly a pyroxene, both forming regular inter- 

 growths with felspar; there are also specimens of quartz and 

 garnet, which latter is always found surrounded by the lighter 

 coloured minerals. Large individuals of titanic iron also occur. 



This rock contains a vein of a pegmatitic rock, which 

 consists of peculiar, and as it seems regular micro-pegmatitic 

 intergrowths of singly-refracting garnet and quartz. In the 



