SCIENTIFIC SURVEY. 219 



Haldeman, and also a work entitled the Classification of the Coleop- 

 tera of North America, (Part I,) by Dr. Le Conte, together with a 

 synopsis of the Neuroptera of North America, by II. Ilagen, an 

 accomplished Neuropterist of Belgium, have been issued under the 

 auspices of that Institution. Similar works on Hymenoptera by 

 M. De Saussure of Geneva ; and on the Heraiptei-a by Mr. Uhler of 

 Baltimore, are in course of preparation for the Smithsonian Collec- 

 tions. A list of described North American Hymenoptera by Mr. 

 Oresson, is now appearing in the Proceedings of the Entomological 

 Society of Philadelphia. H. C. Wood, Jr., has written in the Phi- 

 ladelphia Journal, an account of the Chilopodous Myriapods of the 

 United States. The Spiders of the Southern States more especially, 

 have been described and beautifully illustrated by Prof Hentz, in 

 the Boston Journal of Natural Historv. 



Addendum. — Add the folio-wing to the catalogue of Amphibiaus of Maine, upon 

 page 142. The specimen upon which our authority for this addition is based is in 

 the Cabinet of Amherst College, and was obtained by C. B. Adams : 



Amblystoma Jeffersoniana. Rare. 



