450 Dr. P. L. Sclater on recent Additions to the Genus Calliste. 
from Singapore. Specimen E is from Java, and perhaps belongs 
to a slightly larger local race; this example was collected by 
Dr. Bernstein, by whom it is marked as a female. The sex of 
specimens C and D has not been recorded by the collectors. 
The plumage of the three specimens C, D, and E agrees with 
that of A and B, except that the whole of the breast, abdo¬ 
men, and thighs in C, D, and E are crossed by transverse bars 
of dark brown of about an eighth of an inch in diameter, placed 
at intervals of about a quarter of an inch, the intermediate 
spaces being white without any tinge of fawn-colour. The 
transverse bars on the tail are also somewhat more distinct in 
C, D, and E than in A and B. 
The dimensions of the three specimens C, D, and E are as 
follows, viz. :— 
Total length. 
Wing from 
carpal joint. 
TaH. 
Tarsus. 
Middle toe 
and claw. 
c 
121 
7f 
H 
if 
if 
D 
12 
n 
if 
E 
14 
n 
5i 
2 
2 
I may add that the present species appears to be most nearly 
allied to Accipiter rhodogaster (Nisus virgatus rhodogaster of 
Professor SchlegePs ‘ Museum des Pays-Bas'), from which, how¬ 
ever, it differs in its shorter tarsi and toes, and in the greater 
length of its wing as measured from the carpal joint. 
The colouring of the breast is also much paler in A, steven- 
soni than in A. rhodogaster , taking for comparison what I believe 
to be the adult males of each species. 
XXXVIII.— List of recent Additions to the Genus Calliste. 
By P. L. Sclater. 
(Plate XII.) 
In my f Monograph of the birds forming the Tanagrine genus 
Calliste / which was completed in December 1857, I included 
descriptions of fifty-two species of this group of birds which 
were then known to me. During the five years which have 
