328 



EKV. R. H. WATSOW ON THE 



The following species, of which I dredged shells in Madeira, 

 have no claim to be included in the above list : — 



Off Funchal, even to 50 fins. 



Madeiran Land-shells. 



Achatina acicula. 

 Helix pulchella. 

 Limnsea truncatula. 

 Planorbis glaber. 

 Pupa anconostoma. 



Foreign Land-shells 

 not found in Madeira. 



Assiininea Grayana. 



Bythinia tentaculata. 



Lininrea peregra. 



Neritina fluviatilis.— A species also 



obtained by Johnson. 

 Pisidium sp. 

 Planorbis earinatuB. 

 . interniedius=:submarginatus. 



S P- . . .. 



Valvata piscmalis. 



Off Santa Cruz, 15 to 20 fms. 



Achatina acicula. 

 Ancylus fluviatilis. 

 Craspedopoma Lyonnettianum. 

 Helix cellaria. 

 cristallina. 



Helix madeirensis. 



pulchella. 



pusilla. 



vulgata. 



Hydrobia similis. 

 Limnsea truncatula. 

 Pupa anconostoma. 



OffMachico, 15 to 20 fms. 



Ancylus fluviatilis. 

 Helix vulgata. 

 Hydrobia similis. 

 Limnsea truncatula. 

 Pupa anconostoma. 



Off Canical, 20 fms. 



Achatina acicula. 

 Bulimus ventricosus. 

 Helix compacta. 



paupercula. 



pisana. 



Pupa sp. 



OffPunta cle Sao Louren^o. 



Clausilia exigua. 

 Helix compacta. 

 paupercula. 



Marine species dredged by me or brought to me as Madeiran, 

 but which I reject :— 



Actseon tornatilis. 

 Area incongrua. 



lactea. 



Bouchardia rosea. 

 Bulla striata. 

 Cardium edule. 



magnum. 



medium. 



Cerithium vulgatum. 



Conus mediterraneus. 



Corbula gibba. 



Crania anomala. 



Crenella discors. 



Crepidula gibbosa. 



Cvprsea lynx. 



Eulima Staloi.— See Jeffreys, P. Z. S. 



1884, p. 368. 

 Hydrobia ulvse. 



Such a list as is here presented suggests the caution which 

 should be exercised in working out the Molluscan fauna of this 

 island. 



Litorina litorea. 



obtusata. 



Lucina Adansonii. 

 Modiolaria discors. 

 Murex brandaris. 

 Nucula nucleus. 

 Purpura lapillus. 

 Rissoa Montagui. 

 Terebra favat. 

 Trochus Eltonae. 



umbilicatus. 



Turritella bicingulata. 



triplicata. 



Venus cancellata. 



exspinata. 



gallina. 



striatula. 



