704 REGINALD ALDWORTH DALY 
petrographical features whose description here is not rendered 
either advisable or necessary for our present purpose. 
The name “‘porphyritic granite” for this rock is regarded as 
the best available one both on the ground of inherent meaning 
f 
Fic. 1.— Photograph of a specimen of the porphyritic granite—obtained near 
New Hampton Centre — illustrating general habit of granitic phase, twinned pheno- 
crysts, etc.— about natural size. 
and of precedent. The composition and order of crystallization 
make it a true granite rather than a gneiss although the pseudo- 
schistose structure is so generally present. For very similar 
ae BB ean s seas DD (56 Taq] 1 2) 
rocks, the names “ granite-porphyry,” ‘‘gneissic granite,” etc., 
