CONTENTS. VU 



PAGE 



XXI. Descriptions of some New Species of Sagra, Remarks on 

 that Genus; and the Characters of Cheitoxena, a New 

 Genus belonging to the same Family. By J. S. Baly, 

 Esq 236 



XXII. On the Genus Erateina, Doubleday, with Descriptions of 

 some New Species. By W. W. Saunders, Esq. F.R.S., 

 &c 261 



XXIII. Characters of undescribed Diptera in the Collection of W. 



W. Saunders, Esq., F.R.S., &c. By Francis Walker, 

 Esq., F.L.S., &c 268 



XXIV. Contributions to an Insect Fauna of the Amazon Valley 



(continued from page 228). By H. VV. Bates, Esq., 

 Corr. Memb. Ent. Soc 335 



XXV. On the Atlantic Cossonides. By T. V. Wollaston, Esq., 



M.A., F.L.S., &c 362 



XXVI. Descriptions of Five New Species of Coleophora. By John 



Scott, Esq 408 



XX VII. On Elaphomyia, a Genus of remarkable Insects of the Order 



Diptera. By W. W. Saunders, Esq., F.R.S., &c. . 413 



XXVIII. Notice of the Occurrence of a Strepsipterous Insect parasitic 

 in Ants, discovered in Ceylon by Herr Nietner. By 

 J. O. Westwood, Esq., M..-\., F.L.S., &c 418 



