SYEPHID^ CONOPIDjE. 265 



Becker, Theodor. . . . Revision der gattung Chilosia Meigen. Von Th. Becker 



. . Mit 13 tafeln nr. xi-xxiii. Eingegangen bei der Akademie am 7. december 

 1892. Halle, 1894. 



327 p. 13 pi. 32i'»>». (Nova acta der Ksl. Leop. -Carol, deutschen akademie der naturforscher. 

 bd. LXII, nr. 3) 



"Litteratur": p. 11-12. 



Fallen, Karl Fredrik, prieses. Syrphici Sueoise . . . Lundse, literis Berlin- 

 gianis, 1816-17. Agr 8-167 



1 p. 1., 14, [2], 16-22, [2], 23-30, [2], 31h12, [2], 43-62 p. 21i x 18". 



DiB.— Lund. 



Consists of six dissertations, each having its own title-page, but with text and paging continuous, 

 p. 1-14: respondent, Nicol. Paulsson; pub. 1816. p. 15-22: respondent, 0. A. A. Hempel; pub. 1816. p. 

 23-30: respondent, Benedict, Carlstedt; pub. 1817. p. 81-42: respondent, Johannes Lindberg; pub. 

 1812 [i. e, 1817] p. 48-54: respondent, Magnus Bergquist; pub. 1817. p. 55-62: respondent, von Bergen; 

 pub. 1817. 



Title-page for p. 55-62 is wanting. 



Forms part of his Dipterorum, antennis parum articulatis instructorum, sectio prior {Diptera sue- 

 cica, V. 1) See his Dispositio dipterorum synoptica, p. 7-8; Hagen, Bibliotheca entomologica, v. 1, 

 p. 227. 



Gazagnaire, Joseph. Importance des caracteres zoofogiques fournis par la 

 16vre sup6rieure chez les syrphides (diptlres) . . . [Paris, 1883] 



4 p. 27 X 22«". 



From Comptes rendus . . de I'Acad^mie des sciences, v. 96. 



Osten Sacken, Karl Kobert Romanovich, baron von. . . . Additional notes 

 in explanation of the bugonia-lore of the ancients. Heidelberg, J. Hoerning, 1895. 

 28 p. illus. 23=". Agr 5—583 



At head of title: C. R. Osten Sacken. 



Osten Sacken, Karl Robert Romanovich, baron von. . A list of the 



North American Syrphidse . . [Buffalo, 1875] 



38-71 p. 24i™. 



From Bull. Buf. soc. nat. sci., November-December, 1875. 



Osten Sacken, Karl Robert Romanovich, baron von. On the North American 

 species of the genus Syrphus (in the narrowest sense) . . [Boston, 1875] 

 135-153 p. 22™. 

 From the Proceedings of the Boston society of natural history, vol, xviii, Oct. 6, 1875. 



Osten Sacken, Karl Robert Romanovich, baron von. . . . On the oxen-born 

 bees of the ancients (bugonia) and their relation to Eristalis tenax, a two-winged 

 insect. Enl. ed. of the essay: On the so-called bugonia of the ancients, etc., pub. in 

 the Bullet. Soc. ent. ital. 1893. Heidelberg, J. Hoerning, 1894. Agr 5-534 



xiv, 80 p. 23«». 



At head of title: C. R. Osten Sacken. 



" Notice on some of the authorities consulted " : p. [viii]-xi. 



Williston, Samuel Wendell. Contribution to a monograph of the North Ameri- 

 can Syrphidse . . . [Philadelphia, 1882] 



[299]-332 p. 23™. 



From Proc. Amer. philos. soc. xx. 



Williston, Samuel Wendell. . . . Synopsis of the North American Syrphidse. 

 By Samuel W. Williston . . . Washington, Gov't print, off., 1886. 



XXX, 335 p. XII pi. 24™. (Dep't of the interior. U. S. national museum. Bulletin of the United 

 States national museum, no. 31) 



CONOPID.ffi. 



Fallen, Karl Fredrik, prseses. Scenopinii et Conopsarise Suecise. Quorum 

 descriptionem venia ampl. facult. philos. lund. praeside Carolo Fr. Fallen . . . pro 

 laurea publicse disquisitioni subjicit Nicol. Magn. Krok . . Lundse, literis Ber- 

 lingianis, 1817. Agr 3-168 



14 p. 2Uxl8»». 



Forms part of his Dipterorum, antennis parum articufatis instructorum, sectio prior (Diptera sue- 

 cica, V. 1) See his Dispositio dipterorum synoptica, p. 7-8; Hagen, Bibliotheca entomologica, v. 1, 

 p. 227. 



