150 Scientific Intelligence. 
EKozoon, and so he doubted the Herepintiorst character. Dr. 
Murie stated that some specimens which he had seen resembled 
the Hexactinellide and he thought they represented sponges, 
though not exactly Hexactinellids, 
Mr. H. J. Carter, in the Annals and Magazine of Natual History 
for July, states that he has found the hexactinellid structure in 
the Devonian Stromatopora concentrica. 'To observe it, the plan 
of section must be “tangential to the curve of undulation in the 
layers of es faba or horizontal to its summit.” He 
adds, ‘“‘It must not be inferred because I have considered this 
hexactinellid gs: Sela nny in appearance’ with that of Zittel’s 
Dictyonina” (see a former pap 
between the hexactenellid structure of Stromatopora concentrica 
and its varieties and that of the vitreous sponges with octahedral 
Fecal a xix, pl. 9, £11, 12 “The pores (? Spee ue in 
the interstice ‘the hexactinellid structure; but I ¢ a 
more about sees than that by their minuteness in 8. perch te 
they appear to have belonged toa Hydroid saa than to an 
Seton ce polyp.” 
n the Section of the Alps, from the valley of Vedro on the 
Ser to that of the Rhone on the north along the course of the 
tunnel of the Simplon ; by M. Renevirer.—The rocks encoun- 
indications in its g of a low anticlinal; (2) ble 
“crystalline schists,” including mica schist, which is partly gar- 
netiferous, chloritic or taleose [? hydro mica, gneiss, hornblende 
slate, with three parallel ¢ pot ae bands; (3) the dolomitic band 
of Gautier; (4) gray shining schists or slates, which are traversed 
by numerous veins or seams of quartz. These slates have the 
same steep northwest dip with the dolomitic ape but between 
DevessE and M. pz Larparent. xiv, 228 pp. 8vo. Paris, 1878 
—This new volume of Delesse and Velasuarceta Annual Review 
of Geology, like its predecessors, is a very convenient résumé of 
The mean oes of Europe-—According to a recent estimate 
from the heights of the surface over Europe by Dr. G. Leipoldt 
