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II PLAGIOCLASE ROCKS. 
(1) WITH HORNBLENDE. 
Quartz-diorite ... Bee a Quartz propylite 
Diorite Propylite 
Dactite 
Porphyrite nae oes aa 
Hornblende-porphyrite | Hornblende-andesite 
(2) WITH AUGITE. 
Diabase ... a a AAA Augite-andesite 
Augite-porphyrites Felspar-basalt (with Dolerite 
Melaphyre 
and Anamesite) 
| Tachylite 
(3) WITH BIOTITE. 
Mica-diorite ... 3k ‘is | 
(4) WITH DIALLAGE. 
Gabbro (Serpentinite) ... oe | 
(5) WITH HYPERSTHENE. 
Hypersthenite ... see ae | 
(6) WITH OLIVINE. 
Serpentine (Ophite) ... be 
Forellenstein 
III NEPHELINE ROCKS. 
Nephelinite 
| Nepheline-basalt 
IV LEUCITE ROCKS. 
Leucite Sanidine 
Leucite-basalt 
This completes the review of the work done during the past 
season, and I think it will be admitted that it will compare 
favourably with former years, not only in respect of quantity, 
but that the quality of the papers are of a high order of 
excellence, and such as cannot fail to sustain and extend the 
acknowledged high reputation of the Cotteswold Club. 
POSTSCRIPT. 
I must not close these notes of a year’s contributions to 
local natural science without putting on record the re-discovery 
on our Cotteswold hills of the rare Orchid Cephalanthera rubra, 
