xn, D. 1 Robinson: Coccidx of the Philippine Islands 43 



CiRCUMGENiTAL GLAND. A gland that furnishes the secretion for covering 



the eggs. It discharges by a group of circular openings around the 



genital aperture (Plate VI, fig.. 4). 

 DiGiTULES. Projections on tarsus or claw, appearing" as knobbed or broadly 



dilated hairs. 

 Dorsal pores. Oval orifices on dorsal surface, often in rows through 



which substance secreted for scale is discharged (Plate IV, fig. 4). 

 ExuviA (je). Integumenta of larva and pupa, which are molted and 



incorporated in the scale (Plate V, figs. 4, 9, and 12). 

 Keeled. Carinate. 

 Lobes. Divisions of the caudal area occurring in pairs, often described as 



being bilobed, bidentate, bicuspid; terminal pair known as median, 



others number laterally from median (Plate IV, fig. 11). 

 Lobules. Divided lobes (Plate VI, figs. 5, 10, and 13). 

 Plates. Projections arising without a base, in a circle; described as 



bidentate, notched, fringed (Plate V, figs. 3 and 11). 

 Scale. Shieldlike covering of insect, composed of adult secretion and 



exuviae (Plate V, figs. 4, 9, and 12). 

 Spine. Projection arising from a base within a circle (Plate III, fig. 3). 

 Spinelike plate. Plate similar to a spine, arising as a plate (Plate III, 



figs. 1 and 18). 

 Squame. Name often applied to a spinelike plate. 

 Stigmatic area. Region of breathing pore; stigmatic spines often found 



here (Plate II, figs. 5, 7, and 13). 

 Tubular spinnerets. A series of cylindrical or infundibuliform glands, 



opening by dorsal pores. 



