TRAVELS IN BRAZIL. 129 



Mentha sylvestris ; Geranium rotundi folium ; Melissa Ca- 

 lamintlia. 



FOURTH REGION, 



Canaria : Zone of the Canary Pine, from four thou- 

 sand and eighty, to five thousand nine hundred feet, 

 mean temperature 10° cent. 

 Madeira: Zone of Bi'oom and Heath, from three 

 thousand, to five thousand two Rundred and fifty feet, 

 mean temperature 10.76° cent. 

 Cytisus divaricatus ,- Spartium scoparium ; Erica scoparia 

 (which extends to the highest rocks) ; Pteris aquilina; Aira 

 caryophyllacea ; Piptatherum paradoxum ; EcHlUM CANDI- 



CJNS; SEMPERVIVUM riLLOSUM ; AlZOON CANARIENSE, 



which, as well as the Cotyledon Umbilicus, may be seen 

 everywhere on the rocks from the second region upwards. 



Note 3.. 



We observed the following animals in the vicinity of the 

 equator. Aves : Phaeton ^thereus ; Pelicanus Aquilus. 

 Pisces : Squalus Carcharias ; Gasterosteus Ductor ; Eclieneis 

 Remora ; Exoccetus volitans ; Scomber Thynnus, Pelamis. 

 Insecta : Hydrometra marina nob. Mollusca : Salpa 

 connata nob., cristata, cylindrica, dipterygia nob.; Physalis 

 pelagica ; Glauciis octopterygius, ventricosus, Draco nob. ; 

 Porpita nuda ? Botelliis pellucidus nob. ; Medusce sp. div. ; 

 Noctiluca oceanica nob. 



The new Hydromatra, and the new genera and specieig 

 of Mollusca, vdll appear in a separate treatise, 



VOL. I. 



