?>04- 77/' Aiinritii/i iji i>li)iil.sf . 
l».M-.inl«iT, IHHt 
111 uhiiKst cxiicUy the siiiiK* latitude, but aljout 170 miles farther west, 
similur soulliwanl Lrhuiaticu is found on Loadstouf f't-ak at a hight 
4if «,:57o f<-.'t. 
Jicfi'irt oil iiii i.i-jiloriifiini ill t/ii yulcoii itiid Miirkriixie Uasinx, N. W.l\ 
TJyH. (J. McCoxxKLL. This memoir of 16o pages, with an index map 
of the country described, is based on observations during ISST and 1888. 
The intervening winter was spent by the author at Ft. Providence, a post 
of the IlvidsonV IJay Company near tlie west end of Great Slave lake. 
Some idea of the vastness of tlic region embraced by this rej)ort may be 
inferred from the navigable extent of the Maclcenzie river, on which 
this company's steamer runs about 1,5]00 miles, from Ft. Sniitli on lati- 
tude 00 to the Peel river at tlic liead of the ]Mack<ii/,ie delta. Devonian 
xoclvS, in some localities yielding many fossils, form the greater part of 
the country bordering tlie ^laclvenzie below Great Slave lake: but on 
■certain trai-ts they are covered by Cretaceous marine strata and Tertiary 
Sacustrine beds. Boulder clay and other drift formations occur along 
the whole course of the ^Mackenzie, but oidy on tlie ui)per portion of 
the Yukon. 
In many places on the Msukenzie, as also on the plains of Allierta and 
Assiniboia, the boulder clay or till rests on a great thickness, sometimes 
fully l.-»0 feet, of preglacial gravels, which seem to be the analogue of 
the ijafayette formation of our southern states. These beds in the Mac 
kenzie basin contain well rounded cobbles up to eight or ten inches in 
dianieter, including many of gneiss and granite derived from the Arch- 
.ean area far to the east. They are intimately connected with the boulder 
clay, and in one jdace were observed to alternate with it. 
An appendix, tilling IS i)ages, gives meteorologic oliservations, taken 
twice each day from .June 2oth, 188T, to the same date of the next year. 
\ single station. Ft. Providence, was occupied seven months, from Oct. 
4th to the end of Ai)ril. 
llipnri of h'.rpfonitioii of the CJlacial Lahe Afinssiz in Muniiohii. IJy 
AVakuex I'j'uam. pp. 156, with sections, and two majjs. Reviewed in 
the Am. Geologist, March, 1891. An extract, treating of the history of 
this lake, has also been reprinted in this magazine. Two appendixes 
accompany this report, one giving courses of glacial stria- about Hudson 
bay, lake Superior, and westward, and the other tabulating altitudes de- 
termined by railway surveys in British .\merica from I'ort .Vrtliur west 
to tlie Pacific. 
Report on- the MinernJ JiiKooins of thi Procinrc of (Jnthn: \\y U. VV. 
Ells. pp. 15*.). The growth and present condition of the various mining 
industries of this part of Canada are concisely stated, from information 
embodied in previous reports of the Survey and of experts, from arti 
cles in scientific journals, and from nuning superintendents. 
Ill port on t/u SKi-fmr (h'4'loi/i/ of Sontfifr/i New Brim sir irh: By Uobekt 
(iiALMKiss. pp. I>2. The part of Xew Brunswick describeti in this re 
