[ 599 ] 



DIRECTIONS 



FOR 



PLACING THE PLATES 



OF 



THE SEVENTEENTH VOLUME. 



Tab. 1. Organ of voice in Cygnus Buccinator to face page 4- 



2. Leuciscus lancastriensis, and L. coeruleus 10 



5. Dentalium semistriolatum, and D. Sowerbyi 35 



4: Mcesa ovata [ 



.5. Badula Sieberi I 



6. Ardisia odontophylla ^ .Ma 



7. Ardisia Icara 



8. Ardisia nereifolia 



9. Diopsis 313 



10. Chameleon cristatus 361 



1 1 . Embia Savignii, Oligotoina Saundersii, and Olyntha brasiliensis .... 373 



12. Marchanti.i androgyna, M. chenopoda, M. paleacea, and FegatellaT 



hemisphsrica I 



396 



13. Fimbraria fragrans, F. tenella, F. pilosa, F. nepalensis 



14. Lunularia vulgaris . . .-.'.. • • ' ■ 



15. Hygropyla irrigua and nepalensis 



16. Dolichoscelis Haworthii 399 



17. Arrangement of the floral organs in Polygonese ") 



18. Eriogonum angulosum and umbellatum i ^_.. 



19. Chorizanthe virgata and pungens [ 



20. Mucronea californica J 



21. Fruits of Fedias 434 



22. Galls of a species of Oak 448 



