the name of Fetroplirnne grauidata. The specific name 
refers to the oriiamentation of the ganoine layer; and l 
add a earefully drawn magnified tigiire of the disposition 
ruii together in almost radiating lines upon the parie- 
tals and temporals. *) This conüuent and subradiate 
disposition is extremely limited, as in parts of the 
squamosals and mastoids, in Petrophryne; but it is 
carried out to a greater degree than in Bhinoscmrus in 
the East Indian fossil genus Brachyops, Loc. cit. platell. 
If the original of Fischer de Waldheim's description 
and tigures, above cited, should be accessible, 1 would 
respectfully urge the desirability of a determination of 
the mode of articulation of the occiput with the spinal 
column, — whether by a Single or a double condyle — 
in Bhynosauriis? If that latter structure should be found, 
Fig. 5. 
of the pearl-like 
granules upon the 
part of the cra- 
niumwhich seems 
to dehne the os- 
sa parietalia.'(fig. 
1, 7, 7 and fig. 
ö)'. In Bhinosau- 
rus the granules, 
which are disper- 
sedover the fron- 
tals and nasals, as 
in Petrophryne 
(flg. 1, 11, 15), 
*) — ;,Les grains, presque reguliers sur les frontaux etlesnasaux, 
prennent une forme aUongäe et presque rayonnante sur les parietaux 
et les teraporaux" (loc. cit. p. 5) . 
