KARAKORAM STONES, OR SYRINGOSPBLERIM. IB 
t° increase ^ 6 ° . ns s h° w the radial series of tubes to bifurcate or inosculate frequently, and 
directly • P* S1Ze * n vai ‘icosities. These tubes mainly go to the surface and open there 
reticulation C S ° me ^hem gi ye off branches on all sides to form the interradial tube 
°pens at th' ^ S mu °h °f this reticulation consists of radiating tubes, the last series of them 
or hent . !° Slu '* ace - The tubes of the outer meshes are also represented at the surface by flat 
radial 1 )GS ‘ r ^ IG interradial series thus formed separates, very distinctly, the wide conical 
The a n§6neS from other. Almost e 
tube* ^fter of the smallest lateral tubes 
given off is ywoo inch, but the average size of the 
Near the surface there are occasionally great differences in the 
m excess. 
The diameter of the pores 
is 
Ilbeiaes from each other. Almost every mammilla has its radial congeries of tubes. 
gg ■ J uuitnira 1 1 0 <•/-!• 
siz e of iq e ° ' T * n diameter 
where ti ° ^ U ^ es ’ man y of which become flat, and the same spreading out is seen further in. 
The 1 1 " r P nu ^ ar dement of the tube-wall has been formed 
gL ** W specimen is inch high and 1 inch broad. 
A you^ inCh ' (Plate T ’ Fi S s - 4 ’ 5 ’ 6 )- 
the ooi ^ s P e dmen has the compound mammillae hardly formed, but the single ones and 
“A more spheroidal than the type (Plate I, Eigs. 7, 8, 9). The 
A C secti ons (Plate III, Eigs. 1, 8, 9) were taken from this form. 
the man ai,le ^ ^ le s P ec ^ es has a larger body than the type (Plate I, Eigs. 10, 11, 12), but 
imnce of +/ a ' are ^ ow an d insignificant. The magnified oblique section, showing the diver- 
m°uti Cu i "i V6r ^ °^ en seiacs (Pl a f e UK Pig- T), is from this form, as is also the top of a 
showing tubes and tube openings (Plate III, Eig. 3) 
gosp h iE hi a monticularia, variety aspera, Duncan. Plate II, Eigs. 6, 7. 
singhi ou 0s tmiSiti0aal Yariet y has very few compound m a mm illae, but a great number of 
:v nd 2 inches^ ^° res ' ^ a ^ ar S' e f° rm , aud is oblately spheroidal, about 1 inch in height 
exemm-f S 1U breadth. It was collected by Colonel Godwin- Austen, and is introduced here 
qp ( ) ^ Ga tion of the series. 
^halation sec ^ ori shows that the radial congeries are very widely separated by reticulate 
°fteu various ™ ^ 10 tubes are large, usually 3^0 inch, that they have a very delicate wall, are 
hi, the hu , e ’ and that they pass in great multitudes to the surface close together. Earther 
fad it j s U u ^ ar space equals the diameter or the tubes, and gives rise to much confusion, 
iafiltraHnv. 1 CU ^ to know, except by reflected light, which is tube and what is calcite 
l i'ati 0n 
In 
there is h ai4s _ the tube reticulation is close, and the tubes crowded together, and in this 
approximation to the next species. 
^he body 
Sybingosph-®b,ia tttberculata, Duncan. Plate II, Eigs. 1, 2. 
r °Uuded, h’ |' S s Ph er ical and symmetrical in shape, and is covered with numerous low, 
scattered ove^tl e h ova ti°iis, separated by indistinct interspaces. There are minute pores 
of that jo' 1 ' 1G ^ hole surface. The eminences about -ny inch across at their base, are not 
the iuterspaeu SUleniei1 ^ * n height ; they are sometimes irregularly shaped. In some parts 
e Hiiueuce me o-^ 6 - &S Froa< ^ as the bases of the eminences, but usually the slope of one 
ll itersp aces a ^ GS * n t° that of another, the interspaces being confined to the concavity. The 
covered with a very crowded and close arrangement of the tubes; many 
D 
