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name, feeding on the Juglans species. The Bomhyx Frometheoo 

 feeds ou the Sassafras and "Wild Cherry, handsome but diffi- 

 cult io rear. 



The B. Angulifera, resembling B. Cynthia, feeding on the 

 Tulip tree. 



The Satumias are chiefly for Europe as they feed ou our 

 common Apple, Pear, Ash and Elm trees. 



The Ardiu Scrihonia very handsome, feeds ou the Sun 

 flower. 



The Gaairocavipa ']'clh'<U/, the Dnjocampa, aud the Cerafo- 

 campha, all feeding on forest trees of Oak, Plane and Maple 

 trees, Walnut, Pine, &c. 



The Ceratncam]:ia and C. Begalis are most remarkable for 

 their beauty of all known insects aud will well repay by their 

 gorgeous beautj'' and trouble taken in rearing them, 



Dr. Wallace, the great Naturaiist, has Avritten a useful essay 

 on the Oak feeding Silkworm of Japan, Yama-Ma i . There 

 is also Mr. Gruerin Menneville's able work on the Bombyx 

 Cynthia and Ailanthicidturc, of which he kindly sent me 

 a copy, and a smaller w^ork on the same subject. Also 

 an interesting Report on the culture of the Yama-Mai in 

 1868 in England. Guide to Sericiculture, a manual of 

 Mulberry Silk culture by J. Dickens ; and a useful manual 

 of English Sericiculture by a lady, Mrs. Whitby. Some of 

 these inexpensive works might possibly be of some use to 

 you ; if so T shall be happy to send them out. The seeds also 

 of the Ailantlius glanchdosa or any of the Oaks, Sic, I have no 

 doubt my good aud ever obliging fi-iend, Dr. Hooker, would 

 let me have from Kew, for he is kind aud generous. 



I was invited to a scientific soiree at the Society of Arts 

 to a most interesting lecture given by Professor Simmonds 

 on "Corals, Pearls and Amber." The first part had parti- 

 cular interest for me, being so long residing ou your beauti- 

 ful Coral Island, but when he spoke upon Pearls which are 

 more and more the rage of all Crowned Heads, a thought 

 struck me why could poor Mauritius not enter the list with 

 Ceylon, &c. &c., in this article. Our Oyster supply has been 

 the last few years like our Silk, getting dearer and dearer 



