vi INTRODUCTION. 



Professor Desmarest, J. E. Gray, Esq., Marquess Spinola, 

 and S. P. Pratt, Esq., from the Mediterranean. 



Captain Letvis, from Genoa. 



Madame Jeannette Power and William Swainson, Esq., from 

 Sicily. 



Dr. Heckel, from Dalmatia. 



M. Drewsen and Dr. Mailer, from Iceland. 



G. Woodfall, Esq., from Norway, 



W. W. Saunders, Esq., from Albania. 



The Asiatic specimens, presented by 

 Major-General Thomas Hardivicke, from India and the 



Indian Islands. 

 Capt. Sir Edward 'Belcher, C.B., R.N., from the Indian 



Ocean, Chinese and Japanese Seas. 



Dr. Davy and Robert Templeton, Esq., R.A., from Ceylon. 

 J. C. Bowring, Esq., from China. 



Purchased of 



Mr. Cuming, a large collection from the Philippine Islands, and 

 The Leyden Museum, the species from China and Japan de- 

 scribed by M. De Haan. 



b 



Species from the Coast of Africa, presented by 



Mr. John C ranch, from the Congo Expedition. 



T. Whitfield, Esq., and G. Newport, Esq., from the W. Coast 



of Africa and Cape de Verd. 

 The Earl of Derby. 

 Andrew Smith, M.D., from Port Natal and the Cape of 



Good Hope. 

 Capt. Carmichael, from Tristan da Ciinha. 



