between the Equivalent Numbers of Elementary Bodies. 105 
by paltplzing their equivalents by 5, Talat they form a mnies 
to the foregoing, 
Differences. 
23°5 - . 5G = 23°5 
45 
68'5 - - 5Al= 68°5 
45 
1135 - - 5Zy ==112* 
(6.) 
If we take the equivalent of nitrogen, add to it three times 45 
and divide by 8, we shall have nearly the equivalent of fluorine, 
and by continuing: pes in the same manner, we obtain 
of chlorine, bromine and iodine, 
M43 X45 = 1862, Fi= 19 
aban. = 385°5, Cl 355 ‘ 
MAHX45  _ g95,_ Br 90 
, ate aia, I=127 
(6) 
eral elements, taken in pairs, have equivalents which differ 
"tng each other by a number approximating to 45. 
: Na23 + 456 = Ba -686 
a Be 47 + 433 = Di 48 
Ti 25. +436 = V 686 
Cl 85°5 + 445 — Br 80 
Al 137 + 459 = Th 696 
de 96: 40-dret Bar 808 | 
% 
‘bsta Fon henge 
) not a pos- 
a all belong to that class 
his paper to-develop, viz., those 
le Pedraeete gain js well known to be nearly a 
“an between those of lithium ep potent the equiv 
—_—— - Ngee caamgmem No. 85.—JAN., 1960. 
