38 Journal of the Asiatic Society of Bengal. [N.S., XIX, 
(28) — — G.), Mouth Parts in Squash Bug. Psyche, 
Bos 
(29) Taylor (i), The Thoracic sclerites of Hemiptera. Ann. 
Ent. Soc., America, 1918 
(30) Woodworth (C. W.), The wing veins of insects. Univ. 
Calif. Pub., Tech. Bull. Agric. Exp. Station, 1906. 
LIST OF TERMS EMPLOYED IN THE PAPER. 
Anterior basalare. A triangular src = oie base of the forewing, in 
the — pete corner of the mesopleu 
Anal v re parallel to the cciiatak ‘Sate n of the forewing. 
pen aaiany A eepteneed groove along the dorsal margin of the mesopleu- 
Apical stricture. The white collar at the anterior end of the prothorax. 
Afferent Salivary ducts. Ducts which carry saliva from the salivary gland 
to the pump gAce ber. 
A me a sclerite ‘SS the eis of the labium, protruding 
out between t the latter and the maxillary ina. 
Caicaria. Chitinou a tetatlen at the distal end of the tibia 
Chylific Stomach. The —— of the alimentary canal between the crop 
and the malpighian tubules 
vt tsi fold. The lateral margin of the clypeus 
Clavus. The proximal of the three areas into ‘which the forewing is di- 
vided. 
Cenchrus. The a space ne the dorsal margin of the metapleuron. 
Coxa. The first segment of a 
Coxal cleft. The cleft at the wer end of the meso- or metapleuron. 
Costai vein. A vein ies “4 pn costal sed of the forewing. 
Costal apicalis. The vein No. 3 from the outer margin of the hind wing 
Costal connectus A vein of the hind aa connecting costal primaria 
an a. 
Costal decurrens. A vein = the hind wing running from the costal con- 
nectus to the nig 
Costal feneata, A vein of ‘he hind wing lying on the inner side of the 
tal subtensa. 
Costal primaria. A vein of the hind — in its distal margin 
Tw 
Costal recurrence. ‘Two veins in the proximal portion < the hind wing. 
Corium. The egnoe of the three areas o 
Corium spot lack somewhat rectangular spot =e in the corium 
area of the Gee ing. 
Cubitus. A vein in the clavus area of the forewing. 
Diaphragm. A gar paar rade ark of the tergum of the IX ab- 
- dominal eects of the 
Epicranium. The main cleit of the dorsal surface of the head, bearing 
de 
Ejaculatory duct. A Sinatt thin duct carrying seminal fluid from the tes- — 
tes to the penis or oedeagus. 
oo The membranous lining of the clypeus and the lab 
Epimeron. The posterior portion of the pleuron in the meso- ete meta- 
orax 
Bpisternum. The anterior portion of the pleuron of the meso- and meta- 
thor 
Bfferent. salivary duct. The duct which earries saliva from the pump 
nal. 
2 
‘ 
er 
° 
or 
So 
® 
2.3 
® 
° 
i 
i} 
3 
° 
Fulcra. A sclerite on the side of the scutellum of mesothorax. 
Gula. A sclerite forming the ventral wall of the head capsule. 


