69 



Insects belonging to tlie Families Thynnidœ, Masaridac 



and Apidae. (Ib. ib.) » 



Notes on some Hymenopterous Insects collecled by 



M. Peckolt at Catagallo, South Brazil. (Ib. V.) * 



Descriptions of New Species of Cryptoceridse. (Ib. ib.) » 



Descriptions of Aculeate Hymenoptera from Australia. 



(Ib. 1868.) » 



Descriptions of New Species of the Genus Pison; and a 



Synonymie List of those previously described, (Ib. 



1869.) 



Descriptions of New Genei'a and Species of Exotic 



Hymenoptera. (Ib. il).) » 



Bées and the Art of Queen Making. (Ib. Proc, 1862.) » 



On a collection of nests of bées, wasps and fossorial 

 Hymenoptera. (Ib. ib.) » 



On Myrmecocystus mexicanus Wesm. (îb. ib.) » 



On an imperfeot hermaphrodit of Apis mellifica. (Ib. ib.) » 



On two hermaphrodite honey bées. (Ib. Proc. 1863.) » 



On tlie nest of Trigona carbonaria. (Ib. ib.) » 



On the construction of Hexagonal Cells of Bées and 

 Wasps. (Ib. Proc. 1864.) „ 



On six wasps' nests of most singular construction. 

 (Ib. ib.) 



On a parti-coloured wasps' nest. (Ib. ib.) » 



On Crœsus septentrionalis. (Ib. Proc. 1865.) » 



On a syrametrical nest of Vespa sylvestris. (Ib. Proc. 

 1866.) 



On Rhyssa persuasoria. (Ib. Proc. 1867.) » 



On the habits of the genus Odynerus (Ib. ib.) » 



On Megachile Willughbiella. (Ib. ib.) » 



On the habits of the genus Polistes. (Ib. Proc. 1868.) » 



On Ophion macrurus. (Ib. ib.) » 



On Gastropsis (olim Œstropsis), a new Genus of Acu- 

 leate Hymenoptera. (Ib. ib.) » 

 On the Atfinities of the Genus SibvUina of Westwood. 

 (Ib. Proc. 1869.) 



On Cynips aptera. (Ib. ib.) » 



On a collection of honey-bees of ail parts of the world. 

 (Il), ib.) 



On Colletés cunicularia. (Ib. ib.) » 



On several species of humble-bees. (Ib. ib.) » 



On an american species of Cynips, found on the 

 Quercus tinctoria. (Ib. ib.) » 



