Spheniscus, Briss- 
Beak compressed , 
straight, irregularly fur- 
rowed at the base, the 
end of the upper man- 
dible crook'd, that of the 
inferior truncated. Fis:, 
234. ^ 
( 78 ) 
Nostrils in the middle, 
not covered. 
Palmipedes. 
FAMILY IL LONGIPENNES. 
GENERA AND SUB-GENERA. 
J. Procellaria, Lin. 
Beak crook'd at the Nostrils united in a A nail on the heel, 
end, the extremity hav- tube on the back of the instead of a great 
ing the appearance of a superior mandible. toe. (1) 
piece articulated to the 
rest. 
a. P. Proper. Petrels. 
Inferior mandible 
truncated. Fig. 240. 
b. PuFPiNus. i9m5. Puf- 
fins. 
End of the inferior 
mandible curves down- 
wards with that of the 
upper ; beak more elon- 
gated. Fig. 235. 
c. Pelecanoides, Lacep. 
Halodrom a, lUig. 
Ditto. 
d. Prions, Lacep ^Vkcay p- 
TII-A, Illig. 
Beak enlarged at the 
base, the edges furnish- 
ed with plates like the 
Anas. Fig. 259, ^'/V. 
Nostrils not opening 
by a common orifice, but 
bv two distinct holes. 
Throat dilatable: n© 
great toe. 
Ditto, 
(1) They remain a longer time at sea than any of the other Palmipedes, and are 
often obliged, when a storm approaches, to fly to vessels for refuge : they make 
their nests in the holes of rocks and shoot an oily juice, of which their stomach 
appears to be always full, at those who attack them. 
