594 Explanation of Plates^ 



PLATE XLII. 

 Chrysopidae. 



Fig. 1. Third-instar larva of Chrysopa ventralis. 



2. ,, ., ,, C. septempunctata. 



3. „ „ „ G. perla. 



4. Head of third-instar larva of C. dorsaUs. 



5. Third-instar larva of Nothochrysa capitata. 



6. Eggs of C. flava. 



7. „ C. prasina (rather closely laid). 



8. Egg of C. tenella. 



9. Egg- breaker of C. flavifro7is X 166. 



10. Egg of N. capitata. 



11. Egg-breaker of N. capitata X 166. 



PLATE XLIII. 



CONIOPTERYGIDAE. 



Fig. 1. Third-instar larva of Comventzia psocifonnis. 



2. „ ,, „ Coniopferyx pygmaea. 



3. ,, „ ,, C. tineifoiinis. 



4. ,, „ ,, SemidaJis aleurodiformis. 



5. Alimentary canal of C. j^sociformis larva. 



6. Nerve chain of ,, ,, „ 



7. Head of C. 2)soclformis larva from below. 



8. Egg-breaker of Semidalis aleurodiformis X 400. 



9. Egg of ParasemidaUs, (dorsal) x 36. 



10. „ „ „ (lateral) X 36. 



11. Imago ($) of C. psociformis to show sclerites and wax- 



gland areas. 



12. Pupa of C. psociformis. 



13. Egg of Semidalis X 45. 



LETTERING. 



a, anus; ahg, abdominal ganglia; ag, accessory gland; ant, 

 antenna; br, brain; c, cardo; eg, cement gland; cl, cljrpeus; de, 

 ductus ejaculatorius ; ehr, egg-breaker ;/(", fore intestine (stomodeuni) ; 

 fr, food reservoir ; g, gizzard ; hi, hind intestine (proctodeum) ; 

 Ibr, labrum ; Ip, labial palpus ; 7nd, mandible ; ms, mid intestine 

 (mesenteron); mf, Malpighian tubes ; ?n.r, maxilla ; oe, oesophagus ; 

 ov, ovary; pm, peritrophic membrane; rg, rectal glands; sg, 

 scent gland ; slg, salivary gland ; sog, sub-oesophageal ganglion ; 

 sp, spermatheca; sr, silk reservoh; st, stipes; t, testis; thg, 

 thoracic ganglia; ve, vas efferens; vs, vesiculae seminales; ivg, 

 wax-glands. 



February 17th, 1923. 



