104 



25a. Felapath.ose rock, with quartz-vein. Low Hanc;e. Cam^:) 14. 



July 4, 1891. 

 26. Diorite (hornblende-rock). Small veins in granite of Mount 



Sir Thomas. July 12, 1891. 

 27a. Granite. Lowest stratum of Turl)an Hill. July 7, 1891. 

 27b. Granitic rock, with embedded subangular granite debris. 



Same hill, second stratum. 

 27c. Quartz pebbles of a conglomerate. Same hill, third stratum. 

 27d. Silico-felapatliic rock. Same hill, fourth stratum. 

 27e. Ferruginous quartzite. Same hill, fiftli stratum. July 7, 



1891. 

 27f. WJdtish quartzite. Turban Hill, top layer. July 7, 1891. 

 28. Argillaceous travertine. Gullies of jjirksgate Range. July 



12, 1891. 

 28a. Gypseous clay. Gullies of Birksgate Range. July 12 



1891. 

 Saw- 



July 18, 



of mica. 

 July 20, 



July 21, 



29. Binary granite (microcryst. quartz, microcryst. felsp.) 



back'Hill (Mount Gosse ?) July 17, 1891. 



30. Travertine. From Boundary Hill (Mount Gosse). 



1891. 



31. Grcmite. From Boundary Hill. July 18, 1891. 

 31a. Eurite. From Boundary Hill. July 18, 1891. 



32. Scaly quartzite (lustre due to minute lamina- 



Grinding-stone of blacks not found in situ). 

 1891. 



33. I'orpliyritic syenite. Main mass of Skirmish Hill. 



1891. 



33a. PorphyrH,e. Dykes in Skirmish Hill. July 20, 1891. 

 33b. Porphyrite. Intrusions in Skirmish Hill. July 20, 1891. 



34. Porphyritic tuffa. Surroundings of Skirmish Hill. July 20, 



1891. 

 34a. Porphyry-breccia. Base of Skirmisli Hill. July 20, 1891. 

 34b. Porphyry-claystone. Base of Skirmish Hill. July 20, 1891. 



35. Agate. In porphyry rocks of Skirmish Hill. July 20, 1891. 

 35a. Semi-opal. From Skirmish Hill. July 20, 1891. 



35b. Quartz crystals. Skirmish HilL July 20, 1891. 



36. Specimens of rocks from a, flying trip towards south collected 



by Mr. L. Wells. July 25, 1891. 



37. Porphyritic diabase and quartz vein intersecting the diabase. 



Western parts of Skirmish Hill. July 26, 1891. 



38. Diorite. Main mass of Cavenagh Range. July 29, 1891. 



39. i)/ori<e (bell-rock). ' Cavenagh Range. July 29, 1891. 

 39a. Aphanitic diorite. Cavenagh Range. July 30, 1891. 

 39b. Quartz-epidosite. Cavenagh Range. July 30, 1891. 

 39c. Aphanite. Cavenagh Range. July 30, 1891. 



39d. Felspar, with specks of hornblende (vein forming material) 

 Cavenagh Range. July 29, 1891. 



