short visit to the Canary and Madeira Islands, S^c. 103 



I 270 species, of which 100 are enumerated in the work referred 

 I to, and 160 or 170 are new to the fauna of the district. 



List of Shells procured in the Canary Islands. 



Teredo 

 Gastrochaena 

 Saxicava . . 

 Venerupis 

 Corhula , . 

 Neeera .... 

 Pandora , . 

 Thracia . . 

 Solecurtus 

 Solemya . . 

 Psammobia 

 Tellina . . 

 Donax .... 

 Ervillia . . 

 Mactra . . 

 Cytherea . . 

 Venua .... 

 Circe .... 

 Astarte . . 

 Cardita . . 

 Cardium . . 



Lucina 



Diplodonta 

 Kellia .... 

 Modiola . . 



Species. 



1 



1 



1 



1 



I 



2 



2? 



2 



2 



1 



3 



4 



1 



1 



2 



3 



3 



1 

 2 or 3 



1 

 5 or 6 



Crenella . . . 

 Chama . . . 



Area 



Pectunculus. 

 Avicula . . . 



Pinna 



Lima 



Pecten 



arctica. 



irus, 



nucleus. 



cuspidata and costulata. 



obtusa, rostrata? 



phaseoUna, pubescens. 



candidus, coarctatus. 



mediterranea. 



vespertina, costulata, ferroensis. 



depressa, distorta, balaustina, serrata. 



anatinus ? 



castanea. 



subtruncata ?, stultorum. 



chione, one new ?, one undescribed. 



verrucosa, casina, and one ? 



minima. 



incrassata, compressa ?, triangularis. 



calyculata. 



echinatum, rusticum, papillosum, laevi- 

 gatum, fasciatum, and one ? 



Adansoni, leucoma, flexuosa, divaricata, 

 pecten, spinifera, transversa ?, and one 

 (minute). 



rotundata, apicalis. 



rubra?, suborbicularis. 



tulipa, and one (costulata of W. ^ B., 

 but nearer M. petagnae of Scacchi ; 

 inhabits masses of nullipore, pre- 

 serving its communication with the 

 external world by means of a trumpet- 

 shaped prolongation of the epider- 

 mis). 



rhombea, marmorata. 



gryphoides, 



lactea, tetragona, antiquata, imbricata. 



glycimeris. 



tarentina. 



rustica. 



squamosa, hians, subauriculata. 



Jacobseus or maxim us, opercularis ?, co- 

 rallinoides, pusio, pes felis, gibbus, 

 and another. 



