Mr. A. Hempel on Brazilian Coccide. 117 
Apiococcus singularis, Hempel. 
Adult female test spherical, with a small round orifice in 
one side. Outer surface rough, black; but beneath the 
surface it is a dark coffee-brown. Inside of test smooth, 
dark brown, covered with white powdery secretion. Size of 
largest specimens 5 millim. in diameter. 
Adult female spherical, light yellow in colour, filling the 
entire test. Boiled in a solution of KOH it colours the 
liquid a golden yellow. Derm semichitinous, with many 
‘small round spinnerets massed on the cephalic region. An- 
tenn, small tubercles, with the usual terminal brush of stiff 
hairs. Rostrum large, but placed farther cephalad than in 
the preceding species. Legs wanting. Anal ring hairless. 
The spiracles are tubes with both ends expanded into disks. 
The outer disk is densely set with round spinnerets. A great 
number of fine trachew radiate from the inner opening. Anal 
tubercles not developed, but indicated by a mass of six or 
seven sharp spines on each side. Clustered around the anal 
orifice there are about sixteen small, sharp spines, two longer 
setee, and many small round spinnerets. The derm bears the 
customary spinnerets, hairs, invaginations, and peculiar conical 
spines. ‘The invaginations or pockets are large and nearly 
spherical, one individual having nearly forty of them, 
Larva (just hatched).—Elliptical, light yellow in colour. 
Antenne of six joints, joint 6 the longest, but joint 1 nearly 
equalling it in length. Legs short and thick. Digitules 4, 
slender; rostral loop long. Anal tubercles not developed. 
The abdomen ends in two long sets, between which are six 
short, sharp spines and two long hairs. Around the margin 
there are from twenty-eight to thirty short, thick spines. On 
the thorax and head there are ten short, thick spines, arranged 
in two longitudinal submedian rows of five spines each. 
Length *340 millim. 
Hab. Ypirauga, State of SHio Paulo. 
Scattered singly on twigs of a shrub of the order Myrtacee. 
Aptococcus asperatus, Hempel. 
Female test spherical, hard, thick, black, the outside 
roughened by small tubercles. Beneath the surface it is a 
dark brown colour. The inside of the test is smooth, and is 
coated with a thin layer of white secretion. Size 3 millim. in 
diameter. 
Female spherical, filling the entire test; light yellow in 
colour. Boiled in a solution of KOH it colours the liquid 
