

542 Directioiufur placing the Plates of the Nineteenth Volume. 



• Structure of Hydnora Africana to face page 238 



Tab. 27. 

 28. 

 29. 

 30. 



31. Hymenopterous Insects and their nests 



32. Spiranthes cernua 



33. Structure of Myriapoda 



34.1 



35. J 



Sapria Himalayana 



260 

 264 

 302 



348 



S6. Thotiea ffrandiflora 348 



37. Asiphonia piperiformis 348 



38. Sarcophyte sanguinea 348 



39. Thismia Brunonis 348 



40. Myriapoda Chilopoda 440 



41. South American Coleoptera 476 



42. Neuration of the wings of Butterflies 486 



END OF THE NINETEENTH VOLUME. 



FRINTKD BT RICHARD AND JOHN £. TATLOR, RED LION COURT, FLEET STREET. 



