322 Scientific Intelligence. 
ton group, and series of slates as including lenticular masses 
or beds of limestone. These limestone masses contain the colonies, 
and from the hans they afford he concludes—taking one of his 
lines of limestone beds as an example—that Billings's species 
Lituites Farnsworthi, L. Imperator, Nautilus Pomponius, Mur- 
chisonia Vesta, Metoptoma Niobe, M. Orithya, Fie chaesarit : 
postuma, Maclurea matutina, M. ponderosa, Ecculiomphalus Can- 
adensis, E.. intortus, and E. spiralis, are part of the American Pri- 
mordial fauna; and to the same category he refers also, for a like 
reason, species “of Asaphus, Chzirurus, Calymene, I lens, Trinu- 
cleus, Rhynchonella, Mu: chisonia, etc. Thus the precursor species 
? 
No such scheme can take e eaidieas, Chazy and Satan 
fossils their sala as anata 2 coteal age, eve nif the aes 
as to the Taconie slates is involved ther with, Sons it first b 
the sea, Hee par ae ths of a mile of a se pa part of Hilo. 
All at once the flow apestee hes be checked, and, by the 10th of 
Glace eratches in Goshen 4 in 5, oo Seas Uosnecticnt. rm 
Glacier eee over the higher portions of New England are of 
special interest because they give the direction of movement in the 
ice free from the swervings due to the courses of valleys. The 
ag lands of Goshen are pare ly eg inggeie in this respect. 
Observations have been recently m y Mr. Henry Norton, of 
Winsted, which we here cite.-—On oe west side of ihe mountain 
(allowance having been made for eee pga: 8. 41° E., but 
with one deep one, 8. 77° E.; farther 1 Mr. McK lhane’s 
lot, several deep groovings $ S. 38° arb ae, northwest- 
ward, directly toward Mt. Everett; south of the house, on the 
same lot, S. 222° E. and 8. E. 
5, On the Structure and Affinities of the Genus Monticulipora 
and its Subgenera, with critical descriptions and illustrative species; 
H. Atteyne Nicnotson, Prof. Nat. Hist. Univ. St. Andrews. 
240 pp., large 8vo, with six plates and many wood cuts. 1881. 
" Edinburgh and London. (Wm. Blackwood & Sons.)—This vol- 
