PREFATORY REMARKS. 



Hyalina osoriensis 



„ Mellissii 

 Pal ula garachicoensis 



Helix I Il>ems) forensis 



„ (Loptaxis) subroseotincta 

 „ (Macularia) gibbosobasalis 

 (Hemicycla) vermiplicata 

 „ „ granomalleata 



„ nivarise 



(Gonostoina) crispo-lanata 

 beata 



?> 



?? 





?> 



gomerae 



5? 



(Hystricella) echinoderma 

 „ „ Leacockiana 



„ (Coronaria) Grabhami 

 „ (Leruniscia) Watsoniana 

 Bulimus palmensis 

 „ osorien-is 

 chrysaloides 

 interpunctatus 

 Lowei 

 savinosa 

 Subulina melanioides 

 Pupa Loweana 

 „ corneocostata . 

 ,, relevata 

 „ degenerata, W. 

 Lovea iridescens, W. 

 Auricula Watsoni, W. 





Canaries 



St. Helena 



Canaries 



Madeiras 



Cape Verdes 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



Madeiras 



Madeiras 



Madeiras 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



Canaries 



St. Helena 



Madeiras 



Madeiras 



Madeiras 



Madeiras 



Madeiras 



Salvages. 



Throughout the various local catalogues (given at the end 

 of each respective section) I have prefixed an asterisk (*) to 

 those species which have been found likewise in a subfossil con- 

 dition ; and when the name is also in italics, it implies that the 

 particular species has hitherto been met with only subfossilized, 

 — in which case, until evidence to the contrary has been ad- 

 duced, the latter must be regarded practically as extinct. 



As a matter of generalization, however, it is only in the 

 Mddeiran list that I would place any reliance on the conclu- 



