594 SPRINGTIME ON THE YUKON. 
those above mentioned, being an inch or a little more in 
length. It is gray, irregularly striped with ochre, and the 
wing-covers end in a sharp point. The grub (Fig. 119a; b, 
top view of the head ; c, under side) is about two inches long 
and whitish yellow. It has, with that of the Broad-necked 
Prionus ( P. laticollis of Drury, Fig. 120 and pupa), as Harris 
states, "almost entirely destroyed the Lombardy poplar in 
this vicinity (Boston). It bores in the trunks, and the 
Fig. 123. beetle flies by night in August and Sep- 
tember. We also figure the larva of 
another borer (Fig. 121c; a, top view of 
the head; b, under side; e, dorsal view 
of an abdominal segment; d, end of the 
body, showing its peculiar form), the 
Saperda inornata of Say, the beetle of 
which is black, with ash gray hairs, and 
without spines on the elytra. It is much 
smaller than any of the foregoing species, 
being nine-twentieths of an inch in. 
length. Its habits are not known. We 
also figure, from the manuscript work of 
: Abbot, the larva and pupa (Fig. 122, d, 
pupa; 5, larva) of Monohammus titillator of Fabricius, but 
he does not state on what treo it feeds. We copy also a 
figure of the larva and pupa of Chion cinctus (Fig. 123, 4, 
pupa; 5, larva), from the same work. The author gives no 
account of its habits. | i 
à 
Chion cinctus, larva and 
pupa. 
SPRINGTIME ON THE YUKON. 
BY W. H. DALL. 
Havine joined the readers of the NarvRALIST in a winter 
day's journey on the Ulukuk portage not long since, We 
may, if so inclined, try our fortune again together, in the 
