242 Scientific Intelligence. 
(3), the Zropicalian, or Tropical realm, between the isocrymes of 
68° F. north and south of the equator, or the Torrid zone or Coral 
reef seas of Dana. (4.) The athig iin or south temperate realm, 
and extending, * ‘ provisionally,” ween the southern isocrymes 
of 68° and 44° F.; and the Piette realm, or Antarctic 
realm. The abov ets to surface or shallow-water regions. 
Dr. Gill names the deep-water region, the Bassalian realm, putting 
the whole in és seni though recent investigations ae 
point to at least two. 
he a 
Slenshags regions ;” “the flying, and especially ni pay types 
are most accordant — the actual relations of land areas;” “tem- 
a . is a ro e factor, and land a secondary, in the distribu- 
on of marin oieenla.” "The important factor as regards marine 
life, light, ty set forth by Fuchs, is not recognized. 
III. MisceLLANEous ScIreNTIFIC [NTELLIGENCE. 
i; Earthquake in the Middle and Eastern States, August 10, 
1884.—On Sunday, August 10, between seven and eight minutes 
i 
in the region for r some years. 
The area affected extends along the coast from Washington, a 
D. C., and Baltimore, Md., to Portland, Me., and sigit ine ¢ Vt., 
: ro 
“ete 
district affected. it nowhere did any damage beyond a 
i No bo 
crockery and occasionally cracking a hous ily 
injury was caused, although it is stated that one or two deaths 
resulted from the mental effect of fright upon perso ble 
health. The time ry veral close time 
A fuller = may ee expected in a later issue. —_ 
Errata.—Article by “acter Langley, on pag Tine 
from top, the rtacina Assen Bd?) — (Aa3— Bea), should se 
(Aa? + Bb?) — (Aas eo? 
Article by Mr. S. Ford, on the age of the rocks in the 
F 
adele of Schodack Se ce on page 206, the last sentence of 
the note should — It is possible therefore that the two groups 
here come into contact, etc.; and age 270, 12th et from 
c. 
the foot, the name a should nea auenstein. In Professor — 
mpbell’s article, p. 222, 25th line from foot, three should be two. 
