6 APPENDIX 



crophorus Amcricanus Oliv., N. mediatus Fabr., N. marginatus Fabr., N. pustula- 

 tus Illig., Lucanus elaphus Fabr., Buprestis sexnotata Lap., B. lineata Fabr., 

 B. fasciata Fabr., B. decora Fabr., B. characteristica Harris. Offers to ex- 

 change Northern Coleopterous Insects or North American Birds' Eggs for 

 the above. 



WILSON ARMISTEAD, Virginia House, Leeds, England. 



This gentleman is engaged upon a work on the Galls and Gall Insects, 

 and requests specimens and observations from all parts of the world. 

 GEORGE C. BRACKETT, Belfast, Me. 



Local Insects for sale. 

 JOHN AKHDRST, 9 Prospect street, Brooklyn, N. Y. 



Coleoptera and Lepidoptera for exchange. 

 ISAAC A. POOL, 829 Washington street, Chicago, 111. 



Local Insects for exchange. 

 W. W. CART, Coleraine, Mass. 



Italian Bees for sale. 

 DR. A. S. PACKARD, Boston Society of Natural History. 



Solicits nests containing the larvae and pupaj of Mud Wasps, Sand 

 Wasps, Paper Wasps ; colonies of Humble Bees, Wild Bees, &c. Any infor- 

 mation relative to the habits, the mode of making their cells and nests, or 

 to the parasites of the above insects, will be duly accredited. Especial attention 

 is called to the nests or cells of the Solitary Bees which make deep holes in 

 sunny paths and banks ; to the Wasps which tunnel the stems of the Dock, 

 Elder, Currant, Raspberry, Blackberry, Syringa, &c.; to those species of 

 Odynerus, etc., which construct mud cells in deserted galls and nests of 

 other insects. If desired, specimens received will be returned carefully la- 

 belled. The larvre and pupa; should be preserved in whiskey ( high wines) 

 or glycerine, and the perfect insects should be pinned. All the specimens 

 should be carefully labelled with the exact locality, date of collection, and 

 reference to the nest from which they were taken. Dr. Packard's paper on 

 the larvae and pupa? of the Hymenoptera is to be printed, with figures, in 

 the Proceedings of the Essex Institute. 



MOLLUSCA. 

 WM. HARPER PEASE, Honolulu, Sandwich Islands. 



Wants Marine Gasteropods, especially from the East Coast of Africa, 

 Red Sea, East Indies and West Indies. Offers in exchange Land, Fresh- 

 water and Marine Shells of the Pacific Islands. 

 R. E. C. STERNS, Lock box 1449, San Francisco, Cal. 



Pacific coast and Californian Shells for exchange for species from other 

 localities. 

 DR. GEORGE A. LATHROP, Eaft Saginaw, Mich. 



Has Land and Fresh-water Shells of hie vicinity for exchange for Shells 

 from other localities, Marine species included. 



