AZOREAN GROUP. 43 



Bulimus decollatus, Alb., Mai. Mad. 54, t. 14, f. 16-17 

 (1854) 

 „ „ Morel., Hist. Nat. des Agor. 196 



(1860) 

 „ „ Drouet, Faun. Agor. 163 (1861) 



Stenogyra decollata, Mouss., Faun. Mai. des Can. 120 



(1872) 



Habitat Sta. Maria, et S. Miguel; bine inde in apricis 

 inferioribus, forsan introducta. 



It is only in tbe islands of Sta. Maria and S. Miguel tbat tbe 

 Mediterranean 8. decollata bas bitberto been observed, — namely, 

 near tbe fort of San Braz in tbe former, in company witb tbe H. 

 joaupercidcc, and in a somewbat calcareous district of tbe latter 

 wbicb constitutes tbe soutbern base of vbe Facbo. In all pro- 

 bability it bas been naturalized in tbe arcbipelago. 



Genus 11. PUPA, Dra^. 



(§ TrwicatelU/ta, Lowe.) 



Pupa microspora. 



Pupa microspora, Loive, Ann. Nat. Hist. ix. 275 ( 1852) 

 „ „ Pfeiff., Mon. Hel. iii. 532 (1853) 



„ „ Loive, Proc. Zool. Soc. Lond. 207 (1854) 



„ Alb., Mai. Mad. 61 (1854) 



„ „ Morel., Hist. Nat. des Agor. 197, t. 5. f. 1 



(1860) 

 „ „ Drouet, Faun. Agor. 167 (1861) 



„ „ Mouss.,Faun. Mai. des Can. 124 (1872) 



Habitat S. Miguel, Fayal, et Pico ; sub foliis dejectis, 

 lapidibus, et inter muscos in umbrosis bumidiusculis occurrens. 



Tbis fragile, subdiapbanous, conical, edentate little Pttpa, 

 wbicb is so abundant, particularly amongst ferns, in tbe laurel- 

 woods of a bigb elevation botb in Madeira and tbe Canaries, 

 and wbicb is very nearly allied to tbe European P. edentula, 

 Drap., was found by Morelet and Drouet in S. Miguel, Fayal, 

 and Pico, — in tbe first and second cbiefly in tbe Caldeiras, and 

 in tbe tbird amongst tbe fallen leaves of tbe Persea azorica., 



(§ Gastrodon, Lowe.) 



Pupa umbilicata. 



Pupa umbilicata, Drap., Tabl. des Moll. 58 (1801) 



Helix anconostoma, Lowe, Cambr. Phil. S. Trans, iv. 62. 



t. 5. f. 30 (1831) 

 Pupa „ Pfeiff., 3Ion. Hel. il 3U (184:8) 



