260 GLOSSARY OP TERMS. 



Septum. A partition separating two cavities. 



Setiferous. Bearing hairs. 



Spinnerets. Organs concerned in the emission of 



matter of which the puparia and ovisacs of 



various Coccida3 are composed. 

 Spinose. Bearing spines. 

 Spiracles. The respiratory orifices. 

 Stylus. The outer sheath of the genital armature of 



the male. 



Tarsus. The terminal joint of the leg. 

 Tesselated. Formed of irregular-sided cells. 

 Test. The secretionary covering which is attached to 



the bodies of female coccids (e. g. Ceroplastes). 

 Thoracic. Belonging to the thorax. 

 Thorax. The second of the main divisions of the 



body. 



Tibia. The fourth joint of the leg. 

 Tracheds. The spiral vessels of the respiratory system. 

 Triarticular. With three joints. 

 Troclianter. The second joint of the leg, in the Coccidge 



usually fused to the femur. 

 Ventral. Relating to the under surface of the body. 



SIGNS USED. 

 ? = Female. # = Male. 



