[ 541 ] 



DIRECTIONS 



FOR 



PLACING THE PLATES 



OF 



THE NINETEENTH VOLUME. 



Tab. l.l 



2 J> Insects of the genus Derbe, &c to face page is 



3. Cliococca tenuifolia 04 



4. Cyttaria Barwinii and Cytt. Berteroi j L > 



5. Cryptolepis Buchanani - s 



6. Spiral cells in the testa of the seeds of Acanthacea 7<; 



7- Triuris hyalina s( j 



8. Solenomelas Chilensis g& 



9. Edgeworthia buxifolia 102 



10. Coleopterous Insects from Silhet 112 



11. Lepidopterous Insects from Silhet ].3f> 



12. Homopterous Insects from Silhet 1.36" 



13.1 



> iEgean Ophiuridce 152 



15. Peltophyllum luleum 160 



16. Development of the ovulum of Tropeeolum majus 1 70 



17. 



18. 

 19. 

 20. 

 21. 

 22. 

 2.3. 

 21. 

 25. 

 26. J 



Development of the ovulum of S ant alum, Osyris, Loranthus and Viscum , . 214 



• Structure of Raffiesia Arnoldi 238 



