152 Bibliographical Notices. 
other of this group. It is, probably, the largest of the Ame- 
rican Papilionide. 
26. Papilio soratensis. 
gd. Exp. 4°40. Costa moderately curved, posterior angle 
rounded, outer margin concave ; posterior wings dentated, the 
branches of the median nervure bearing the longest projections : 
greenish black ; a double row of round yellow spots crosses the 
anterior wings beyond the cell to the posterior angle; the 
outer margin towards the same angle also yellow: posterior 
wings with a series of six submarginal, lunulate, greenish 
spots; all except that next the anterior angle followed by ma- 
cular blue spots, which are again followed by seven linear 
greenish spots; the spot at the anal angle reddish, the 
indentations of the hind wings yellow. Beneath, anterior 
wings black, with the apex and the whole of the posterior 
wings brown; the spots corresponding to the series of the 
upperside are larger, and there is an elongated transverse 
spot within the cell: the posterior wings are crossed beyond 
the cell by a curved band with a dark inner margin, the outer 
edge being deeply indented; a series of pale, lunulated spots 
near the outer margin; an orange spot with a black centre at 
the anal angle, followed inwardly by a black spot with bluish 
centre; there are yellowish hairs along the inner margin. 
Antenne black; head, thorax, and abdomen black ; a yellow 
spot on either side of the maxillary palpi; underside of the 
abdomen tawny. 
Hab. Apolobamba, Bolivia (Pearce). 
Mus. 8. & G. 
The only species that at all resembles this in form is P. 
Cacicus, Luc.; but from this it materially differs in the arrange- 
ment of its markings. 
BIBLIOGRAPHICAL NOTICES. 
Principles of Geology, or the Modern Changes of the Earth and its 
Inhabitants considered as illustrative of Geology. By Sir Cuarzs 
Lye, Bart., M.A., F.R.S. Tenth and entirely revised Edition. 
In two Volumes, 8vo. Vol. i. 1867; vol. ii. 1868. 
Siluria. A History of the Oldest Rocks wm the British Isles and other 
Countries ;. with Sketches of the Origin and Distribution of Native 
Gold, the General Succession of Geological Formations, and Changes 
of the Earth’s Surface. By Sir R. I. Murcuison, Bart., K.C.B., 
&e. &e. &e. [Third Edition.] Fourth Edition including the 
‘Silurian System.’ With Geological Map and numerous Il]lustra- 
tions. 8vo, 1867. 
