XX^VI AUTHORITIES. 



Vol. IT, 1864. - Dolichopodidae [Smiths. Misc. Coll. Vol. VII, 

 Vol. Ill, 1872. — Ortalidae and additions to Trypetidae [Smiths. 

 Miscell. Coll. Vol. XI]*) (For the 4th Volume, see C. R. Osten- 

 Sacken.) 

 LoEw, Dr. H. — Diptera Americae Septentrionalis indigena. — In the 

 Berliner Entomol. Zeitschr. Century I, 1861; II, 1862; III and IV, 

 in 1863; V in 1864; VI in 1865; VII in 1866; VIII and IX in 

 1869; X in 1872. — Also published separately, in two volumes. 

 In the present Catalogue, this publication is quoted thus: Lour, 

 Centuriae. 

 f, On the diptera of the Amber-Fauna. — A lecture, delivered at 

 the meeting of the German association of naturalists and physicians 

 in Konigsberg, translated from the german by C. R. Osten-Sacken, 

 and published in the Amer. Journ. of Science and Arts, Vol. XXXVII, 

 May 1864. — The translation contains, on p 317, in a note, a 

 list of species of diptera which aie common to Europe and to 

 North-America; (this note does not exist in the original german 

 edition of the lecture). 

 f, Bemerkungen iiber die von Herrn v. d. Wulp in der Zeitfchrift 

 der niederlandischen Entomol. Gesellschaft fiir 1867 publicirteu 

 N. A. Dipteren. — In the Zeitschr. f. die gesammten Naturw. 1870, 

 Bd, XXXVI, p. 113-120. 



Remarks about the synonymy and the systematic location of 

 the species in Mr. v. d. Wulp's paper. 

 „ Ueber die Arten d. Gattung Sphyracephala Say. — In the Zeitschr. 

 f. die Gesammten Naturwissenschaften 1873, Bd. XLII, p. 101. 



Remarks on S. hrcvicornis Say; S. suhhifasciata Fitch declared 

 its synonym. 

 I, Neue nordamerikanische Dasypogonina. — In the Berl. Entomol. 

 Zeitschr. 1874, Vol. XVIII, p. 353—377. — 

 Fourteen new species. 

 J, Neue nordamerikanische Diptera. — In the Berl. Entom. Zeitschr. 

 1874, p. 378-384. 

 Six new species. 

 ^ Beschreibungen neuer amerikanischen Dipteren. — In the Zeitschr, 

 f. Gesammte Naturw. 1«76; Bd. XLVUl, p. 317—340. 

 Seventeen new species from North-America. 

 „ Revision der Blepharoceridae. — In the Schles. Zeitschr. f. En- 

 tomologie, Neue Folge, Heft VI; Breslau 1877. — 



^ 



*) The octavo pu'blications of tlie Smitlisoinan Institution are issued in two forms: 

 separately , or collected in a series of volumes under tha general heading of: 



Smithsonian Miscellaneous Collections. 



Moit of the public libraries in North-America and in Europe possess this series, 

 which is recorded as such in their Catalogue. Put the separate works which itcontaim, an-, 

 in most cases, not recorded in the Catabguea, unless they have been received separately. 

 Persons who are not aware of this circumstance have often searclied Catalogues in vain 

 for Dr. Loew's or my publications, while they would have found them under the head of 

 the Smithsonian Miscellaneous Collections. 



