56 On Coccidee of the Genus Ripersia. 
Ripersia viridula, sp. n. 
9 .—Length 14 millim. ; form ordinary. Pale sage-green, 
legs-and antenne reddish brown; dorsum rather thickly 
covered with mealy secretion; no lateral tassels, two ex- 
tremely short but thick caudal tassels; not a hairy species ; 
middle leg with femur + trochanter 150 (width of femur 45) ; 
tibia 90; tarsus 60. Antenne: 7-jointed, 6 cup-shaped, 7 
narrow. Joints: (1) 36, (2) 33, (3) 30, (4) 30, (5) 18, (6) 27, 
(7) 60. Formula 7 1 2 (8 4) 6 5. 
Penultimate stage.—Labium about 120 long, 70 broad ; 
middle legs with femur + trochanter 117; tibia 66; tarsus 60. 
Antenne 6-jointed. Joints: (1) 27-30, (2) 27-30, (3) 30- 
33, (4) 15-21, (5) 18-21, (6) 51-54. Last joint stout. 
Formule 6 (1 2 3) (4 5), 63 (1 2) 5 4, 6 (1 2 3) O04. 
Hab. Las Vegas, under rocks with Lasius americanus, 
abundant, April 19. 
Easily known by its pale green colour, which is quite 
uniform. 
East Las Vegas, New Mexico, U.S.A., 
May 9, 1901. 
POSTSCRIPT. 
Ripersia magna, W. P. & T. D. A. Cockerell, sp. n. 
@ .—About 22 millim.long. Dark pink, darker and pinker 
than R&. confusella, sparsely mealy, no caudal or lateral tufts ; 
legs and antennz pale brown; on boiling in liquor potassz 
turns wine-red, but does not stain the liquid. 
Middle leg with femur+trochanter 204 w; tibia 111; 
tarsus 76. 
Antenne 7-jointed; measurements of joints in w:—(1) 39, 
(2) 42, (8) 27, (4) 24-80, (5) 21, (6) 27-80, (7) 63-66. 
6-jointed. phase:—(1) 42, (2) 39, (3) 51, (4) 18, (5) 24, 
(6) 60. Formule 7 216(3 4) 5and6312 54. 
Hab. Trout Spring, Gallinas Cafion, N. M., April 27 
(W. P. & T. D. A. Cockerelt). 
This was omitted from the original paper, because both 
Mr. King and I thought it might be conspecific with R. 
Cockerelle. My wife all along maintained that it was distinct, 
and on May 11 collected further material of 2. Cockerelle at 
Beulah, which fully confirms her opinion. &. Cockerelle 
when boiled in potash turns yellow-orange and then brownish ; 
when alive it varies from yellow to pinkish and is never the 
deep pink colour of #. magna. It appears to be the New 
