cc Proceedings uj the Asiatic Soc. of Bengal. [N.S., XVII, 
Lew preties are described under the name Indonaia glyptica and Parr rreys- 
sta Latouchet and their relationships with the living representatives of 
these fener are fully discus 
A _stem-impression from the plant-bearing beds near 
Khunmu (Kashmir), provisionally referred to Ganga- 
mopteris kashmirensis, Seward.—By B. Sa 
— 
While the attribution of the rea sma peas ae 7s to the atir 
thizome-like organ Vertebraria has now bee ablished, we are still i 
ignorance of hn stem that bore fronds of me albaety related Gangam sc 
teris type ring a i diene visit to the well-known Gangamopteris, Beds, 
near Khunmu in sg Dee mir (Risin Spur, 1} miles 8.W. of Guryul Ravine), 
the author jollaoied the impression of a branched axis preserved in 
mstances which suggest that it may be the stem of Gangam mire 
mirensis, Sew. osely associated on the same it pinion are a a 
in organic only o 
from this locality are Psygmophyllum sp. (probably P. " Haydeni), Pastas 
and Cordaites Hislopi (Bunb.), and there is no Siclicatston that the stem 
in question belongs to either of these species. e stem cannot be fc) 
fused with Vertebraria, for it shows none of the features characteristic of 
a ° oe nt-r $1 
ase] over, ou di 
these beds several distinguished workers ‘aah oe eed this loc aanhy 
(Noetling, Hayden, Middlemis 8,) NO spec of either Glo ossopteris or 
Vertebrata have come to light, while Cuapaiionirie | ands occur in larg 
n rs, 
The stem is oo in a poor state of preservation, about 20 
m. long and lem. thick. In two places short thin branches (? roots) are 
exes coming o off. 
Palagonite-bearing Dolerite from Nagpur: suggestion re- 
garding the nature of lie —By D. N. Wapta. 
* Palagonite”’ is found in a coarse orthoclase-bearing dolerite filling 
up large and dab unae fo orming 1 nearly 10 per cent of the bulk of 
through the mass of the rock. They are stopped by an amorphous black, 
brittle, much fissured, glassy-looking isotropic substance ; ; — or green 
in thin flakes, with a typical conchoidal fracture and he us to vitreous 
lustre. No colour changes were observed on exposure othe air or sed 
infusible B.B.; yielding much water, both hy ie as well as c 
iron ; it is easi 
(silicate of alumina and some lime an cea: as residue and yielding 
s i : "Oe Sida 
ns. =16;H 
o-sections the pa lagonite occurs both as - a zeolite garam 
pedduan showing concentric rings of growth and a gular tion 
patches among and around augite and m tite ioe 1 der 
pe ior. them. The felspars are quite unaffected and remain clear and 
gl here are a few biotite crystals. There is no olivine or any 
ground mass. 
A study of the lacunae suggests that they are not of the nature of 
original a pe ecie sop are of secondary creation due to processes 
resulting ormati t pangee onite. With regard to the origin and 
nature of the ieitas the allow ite suggestions are advanced :— 
qd) thas it is nts - definite —— but an amorphous, structureless 
tion produe 
