XXXII AUTHORITIES. 



N. sp. Pyrfjota veKpertilio, pterophorina, Toxoirypana cvrvicaucla, 

 Diacrita costalis from North- America. 



GERSTAECKER, Dr. A - Systematische Uebersicht der bis jetzt bekannt 

 gewordenen Mydaiden. In the Stett. Entom. Zdt. 1^68, p. 65, 

 with a plate. 



Leptomydas pantlicrinus , My das laratus, annular is nov. sp. 

 from N. America. 



Die zweite deutsche Nordpolfahrt in den Jahren 18(19; 70. 

 Leipzig, 1874. Hymenoptera and Diptera by Gerstaecker; the 

 latter are represented by four specie.-;, collected in East Green- 

 land, lat. 73" --75": Tipula tmncomm Meitf. , Eclihiomyici 

 aetu-a Stager, Cynomyia alpina Zett., CalJipJiora groenlandica Zett. 

 GUOTE , Aug R. - - Description of two new species of North American 

 Brachycerous Diptera. In the Proc. of the Entom. Soc. Phil. 

 Vol. VI, p. 445, 1866-67. 



Sparnopolius coloradensis and cwnatilis, n. sp. Colorado. 

 HALDEMAN, Prof. S. S. - Description ot several new and interesting 

 Animals. - - In the American Journal of Agriculture and Science, 

 vol. vi, p. 193. With figures. 1847. (Reprinted in the Proceedings 

 Boston Soc. N. H. January 1859.) 



Cecidomyia robiiu'nr, n. sp. 



HARRIS, Dr. Thaddeus William. Catalogue of the Insects of Massa- 

 chusetts. In Prof. Hitchcock's Report on the Geology, Botany, 

 and Zoology of Massachusetts. 



Prof. Hitchcock's Report had tv/o editions; in the first (1833), 

 Dr. Harris mentioned only the generic names of the insects, ad- 

 ding the number of species belonging to each genus. In the se- 

 cond edition (1835^, the specific names are also given; many of 

 them are mere collection names, never having been published. 

 ,, A Treatise on some of the Insects of New England , which are 

 injurious to Vegetation. Second edition Boston, 1852. 



The first edition of this work was published in 1841 , under 

 the title of A Report on the Insects of Massachusetts, injurious 

 to Vegetation. The second edition contains many additions. 

 A Treatise on some of the Insects injurious to vegetation. Third 

 edition. Boston, 18<>2. With 8 plates and 278 woodcuts. 



Was published at the expense of the Commonwealth of Massa- 

 chusetts and is provided with notes by different authors; those 

 on the Diptera are by C. R. Osten Sacken. The quotations in the 

 present volume are from this edition. 



,, Entomological correspondence. Edited by Samuel II Scudder. - 

 Boston, 18H9. 



Contains on p. 335336 descriptions of MHKCO lirtrpyia Harris 

 (= Musca domestica Lin.) and Musca fconiliarts Harris Apparently 

 the same as the european Polknia rudis). 



HAUSMANN. - - Entomologische Bemerkungen. Braunschweig, 1799. 

 Syrphus trifasciatus, n. sp. = Milesia ornata Fab.... 



