EXPLANATION OF THE PLATES. 



Plate XV.— See Art. XXII. page 179. 



The wing of Chrysopa Perla, intended to illustrate the circulation of the blood, 

 and the distribution of the Trachaese. 



Plate Xiy.—See Art. XXXV. p. 255. 



Fig. 1. Propomacrus Arbaces. 

 2. Scarabasus .' Croesus. 



Plate X\l.—See Art. LIII. p. 411. 



Fig. 1 . Embolemus Ruddii. 



2. Labeo excisus. 



3. Aphelopus melaleucus. 



4. Dryinus collaris. 



5. Dicondylus pedestris. 



6. Epyris niger. 



Explanation of Wood-Cuts. 



D. 1. p. 37. A portion of Llanthony Abbey, Monmouthshire. 



2. p. 161. The apical portion of the abdomen of Chrysis ignita, l^ar. Alcione'. 



3. " Ditto ditto ditto Vat: Asterope. 



4. p. 162. Ditto ditto ditto Var. Celeno. 



5. " Ditto ditto ditto Var. Electra. 



6. " Ditto ditto ditto Var. Maia. 



7. " Ditto ditto ditto Var. Taygeta. 



8. p. 185. The Bull Inn, Birch-Wood Corner. 



9. p. 204. Anatomical details of the genus Opius. 



10. p. 221. Wing of Gnaptodon pumilio. 



11. p. 236. Diagram to illustrate the Septenary System. 



12. p. 253. Anatomical details of Diglossa mersa. 



13. p. 342. Pales Meeting House. 



14. p. 388. Two hemipterous Insects. 



15. p. 410. Rhonllwyn, Radnorshire, the residence of Thomas Rogers. 



16. p. 436. Pleuropachus costalis. 



17. p. 437. Platynocheilus Erichsonii. 



18. p. 483. The Needles, Isle of Wight. 



A Diagram illustrative of the Septenary System, to face p. 236. 



