ADVERTISEMENTS. 



EXCHANGE. 



Desiderta — Larvae or pupa of Bombyx Quercus and Callnuar. Duplicates Larva? of 



. Cavpini and Neustria, imagines 5. populi.— N.B.— Write before sending. — Miss Hinchcliff 

 Worlington House, Instow, No. Devon. 



Duplicates — Adusta, Tenebrosa, Pumilata, N anal a, Satyrata &> var. Callunaria. Suffumata 

 ... &> var. Piceata, Rurea & var. : Combust a, Planiaginis. Ciesiata, Alexis (large forms), Multistri- 

 . garia, Longicornis, Piniavia (northern black and white form), Pi si, Thal'assina, Polyodon (dark), 

 Alsus, Artaxerxes, Aglaia, Napi &c. — Arthur Horne, 31 Watson street, Aberdeen. 



Wanted — First Six Volumes of the Entomologist. Cash or Lepidoptera. I have Vol. 

 Ill of Entomologist's Monthly Magazine in duplicate. — John E. Kobson, Hartlepool. 



I want a quantity of the larvse or pupa? of Pieris brassier, rap,?, or napi, for experimental 

 purposes, as to the effect of cold. If any beginner will obtain me a quantity I will make him 

 a good return. — John E. Robson, Hartlepool. 



Duplicates. — M onac ha (very fine) , Venosata, Ulmata, Tristata, and others. Desiderata 

 extremely numerous. — A. E. Hall, Norbury, Pitsmoor, Sheffield. 



Wanted. — Vols. 1 to 5, and part 100 of Entomologist. Ents: Annual for all years except 

 for 1855 and 1856, and other Ent. books, periodicals, &c. A good price or exchange given. — 

 A. E. Hall, Norbury, Pitsmoor, Sheffield. 



Exchange. — Sections of British Marine Sponges. Desiderata — Crustacea, etc. — 

 |Chas. II. H. Walker, 12 Church street, Liverpool. 



Wanted — -Walker's "British Diptera, 3 vols." and Curtis' 'Diptera.' For Cash. 

 E. F. Jarvis, 10 Kingsland Green, Dalston, London, N. 



Duplicates 1 — Tachys bistriatus, Stenolophus luridus (var.), Bcmbidium articulatum, B. 

 flammulatum , Stenus bimaculatus, Lyctus canaliculatus, Athens difformis, Adimonia suturalis, 

 Crepidodera transversa, Microzoum tibialc, Hydronomus alismatus, Agrion (cncum, A . grunetigerum, 

 Rhynchita Betuhe, R. gcrmameus, Ccneorhinus germinatus, &-c, and Argynnis sefc'ne (few). 

 Desiderata — Coleoptera or Lepidoptera; very numerous. — A. Ford, Alexandra Villa,' 

 Braybrooke road, Hastings. 



Duplicates.— Mines of Lithocolletis insignitclla. — John E. Robson, Hartlepool. 



Duplicates. — Petasitcs.. Desiderata. — Genus Boarmia, Tcphrosia, AcidaUa, Eupithecia, and 

 many others. Please send list of Duplicates. — Josph Collins, Lilford Street, Warrington. 



Duplicates. — Cicindela mariUma, Nebria complanata, Pelobius hcrmanni , N ccrophorus humator, 

 ruspator,-and vespillo, and Silplia nigosa. Wanted — Nebria liwda' C. hybripa, sylvatica and 

 germanica N. vestigator and gennanicus (foreign), and every species of Silpha, except littoyalis, 

 rugosa, Icavigata and atrata. — R. Gillo, 29 Richmond Place, Beacon Hill. Bath. 



Errata. Mr. Lcwcock's name should have been appended to the second paragraph on 

 page 172, and the " Id." to the fourth. 



