288 Canadian Record of Science. 
usually found in fragments, but entire specimens occur 
attached to stones and boulders at R. du Loup. 
B. Hameri is at present extensively distributed as a living 
species in the North Atlantic and the Arctic Sea. I have 
specimens collected by Mr. A. Downes of Halifax, Nova 
Scotia, in a living state, near Halifax harbour. As a Pleis- 
tocene fossil, it occurs at Uddevalla in Sweden, and was 
named by Linnaeus Balanus Uddevalensis. The name 
B. Hameri, given by Ascanius in 1767, is that now recog- 
nized. It has also been found in Pleistocene clays in Green- 
land (Spengler), and in the Pleistocene of Russia 
(Murchison). 
The specimens new under consideration are interesting, 
as being found farther west than previously; River Beau- 
dette being on the line of the Grand Trunk Railway, 34 
miles west of Montreal, and the locality being near its en- 
trance into Lake St. Francis. They are also interesting 
from their remarkable perfection and the large masses 
which they form, some of which contain as many as a dozen 
individuals attached to each other. The specimens were 
collected by Mr. A. W. McNown, of Riviére Beaudette, and 
by Mr. Stanton, C.E., of Lancaster, and much credit is due 
to these gentlemen for their care in collecting and preserv- 
ing these interesting fossils. 
The animals seem to have been covered, when living, 
with an irruption of sand, for the opercular valves of many 
of them are still in place, and owing to a slight infiltration 
of calcareous matter, the radial plates and opercular valves 
have been cemented together, which accounts for their per- 
fect preservation. Jt is to be observed, however, that the 
sheils of Balani are composed of a remarkably dense and in- 
destructible calcium carbonate, much less perishable than 
the shells of most mollusks. 
The original attachments of the animals, so far as ob- 
served, have been on pebbles on the surface of clay, and as 
these afforded space only for one or two individuals, the 
young were obliged to attach themselves to the old in suc- 
cessive generations, forming most grotesque groups, which 
still remain entire. 
