18 HEMIPTERA-HOMOPTERA. 
The Mexican locality is taken from the label, but Prof. Townsend thinks it should be 
Arroyo San Isidro. 
7. Ceroplastes minutus. 
Ceroplastes minutus, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 434. 
Hab. Mexico: Las Minas in Tabasco (Townsend). 
8. Ceroplastes angulatus. 
Ceroplastes angulatus, Ckll, Ann. & Mag. Nat. Hist., June 1898, p. 434. 
Hab. Mexico: Frontera (Townsend). 
9. Ceroplastes coloratus. 
Ceroplastes coloratus, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 435. 
Hab. Mexico: Las Minas in Tabasco (Zownsend). 
10. Ceroplastes townsendi, Ckll., sp. n. 
9. Waxy scale 6 millim. long, 5 broad, 3 high, flatter than that of C. ceriferus or C. dugesi ; ; wax like that of 
C. ceriferus, yellowish-white, without plates or coloured nuclei; no lateral white stripes. On the under 
surface the wax shows very broad bands of chalk-white secretion. 
Denuded female 3 millim. long, 2 broad; horn well developed, but hardly half the length of the female. 
A high blunt dorsal longitudinal crest, which is quite absent in C. dugeso and C. ceriferus. 
Antenne 6-segmented, 4 longest. Claw-digitules with very large knobs. Margin with capitate spines. 
The following table separates C. townsendi from its two nearest allies :— 
A. Antenne 6-segmented. 
a. Segment 3 longest; dorsum of denuded female smooth and rounded . . . . . . . . certferus. 
b. Segment 4 longest; dorsum of denuded female cristate. . . . woe ee we ee townsend. 
B. Antenne 7-segmented, 4 longest; dorsum of denuded female smooth . a £00 
Hab. Mexico: Arroyo San Isidro, near Frontera, Tabasco, May 27, 1897, on bark of 
trunk of small shrub with lanceolate-ovate leaves (Townsend: Div. Ent. 7611). 
Allied to C. ceriferus and C. dugesi, but differs in the small depressed scale and in 
the antenne. 
11. Ceroplastes dugesi. 
Ceroplastes dugesii, Townsend, Zoe, ill. pp. 255-257 (1892). 
Hab. Mexico: Cuautla (Townsend); San Rafael in Vera Cruz (Townsend); Guana- 
juato (Dugés). 
Lichtenstein briefly noticed, but did not describe, this species in Bull. Soc. Ent. 
France, 1886, p. cxli. 
This includes what has been recorded as C. ceriferus (Anders.), Signoret. 
