J. H. Kinahan—Esker or Kam Drift. 135 
74°9° 
74°8 
Te sin, 74°7 
Sirip as 42 gy 74°7 
rip A 43 ee 6 5 74°6 
$c 72 608 74°7, tan. = 3°66 
73°7° 
73°6 
54°55 R +0 73°5 
: 53-0 734 
Boa ses «| Te 73°3 
533 — 72 = 461 73°5, tan. = 3°38 
From 2d we have 
A. 5 0°2 + 3°66 = 13°7 
From Ist and 3d, 
50°5+-46'1 *44-1-3°38 
B. ee SS Be So a as 
ge course absolute agreement in so rough a test was not to 
expected. The difference of about 3 per cent here observed 
might easily be accounted for. I think Mr. Bidwell will 
admit that ‘his theory would have predicted a different result 
of the comparison. 
Cambridge, January 19, 1885. 
Pee 
ee SS. Dn the use of the term Esker or Kam Drift; by 
J. Henry KINAHAN. 
s 
Pronounced right: while the town on it, usually, although not 
a j —_ 
lway 8, Is pronounced wrong, Cambrid 
am 
land this name is generally used in reference to a winding 
t r 
