Mr, A. Hempel on Brazilian Coccide. 207 
on the dorsum and a lighter ring around the margin. 
Slightly asymmetrical. 
Diameter 5 millim.; anal cleft 1°35 millim. long. 
- Boiled in a solution of KOH the dorsal derm remains 
thick and of a light brown colour. It is composed of about 
thirty-four irregular plates, consisting of a median dorsal area 
of twelve plates, around which the others are arranged in a 
single row, like the plates on the back of a turtle. The 
spaces between the plates are narrow and _ semitransparent, 
There is also a median longitudinal row of fifty to sixty small 
round pores. 
Antenne variable, of six joints, about +200 millim. long, 
Approximate formula: 36 (12) (45). Length of sezments; 
(1) 81, (2) 31, (3) 71, (4) 18, (5) 18, (6) 38. Joint 3 some- 
times has a false joint. All joints bear hairs. First pair of 
legs inserted near the antennae. Second and third pair of 
legs close together, but widely separated from the first pair. 
Legs very short and somewhat deformed. ‘The division be- 
tween the tarsus and tibia is usually obliterated, and this 
segment is usually curved. Length of joints of first pair of 
legs: coxa 44, femur with trochanter 71, tibia, tarsus, and 
claw 88. All the digitules have expanded ends and extend 
beyond the tip of claw, those of the claw being unequal in 
size. Rostrum small, situated just caudad of the insertion of 
the first pair of legs. Rostral loop short, extending halfway 
to the second pair of legs. The first pair of spiracles are 
situated outside of the first pair of legs, the second pair outside 
of the second pair of legs, but closer to them. Anal plates 
small, with the outer angle but slightly rounded and the 
antero-lateral sides longer than the postero-lateral. Anal ring 
apparently with ten hairs. Around the lateral margin of the 
body there is a row of fine hairs placed widely apart. The 
stigmatal areas are characterized by a group of three club- 
shaped spines—two short and one long—and four smail hairs. 
A few short hairs are scattered over the dorsal surface. 
Male scale oval, rather flat, composed of very thin, white, 
glassy wax. ‘The scale consists of one narrow dorsal plate 
and seven lateral plates. Length 2 millim.; width 1:5 
millim. 
Larva (newly hatched).—Elliptical, light yellow in colour, 
with small irregular dark brown eyes. Length *562 millim, 
The body ends in two plates, each terminated by a long con- 
spicuous seta. ‘The lateral margin is finely serrated; the 
abdomen bears several hairs on the margin, and each stigmatal 
area is characterized by one large club-shaped spine and two 
very small ones. Antenne 6-jointed, joints 3 and 6 longest 
15* - 
