82 1901. Entomol. Litteraturblätter. No. 5. 
Nielsen, J. C., Recherches biologiques sur les Hyménoptères fouisseurs. 
(En Danois avec résumé Frangais.) (Copenhague, Vid. Medd. Nat. 
For.) 1904. gr. in-8. 26 pg. av. 12 figures. 250 
Trubnikow, J. J., Leitfaden für russische Bienenziichter. (Russisch.) 
Moskau 1900. 8. 446 pg. 350 
E. Diptera. 
Lundbeck, W., Diptera Groenlandica. Pars II. (Danice, diagnoses Latine 
conscrin tae) (Havniae, Vid. Medd. Nat. For.) 1904. 8. maj. 36 Ps: 
5 figuris. 
ins I. 4899. 79 pg. c. 2 tabulis. 
Nuttall, G. H. F., Cobbett, L., and Pire) T. 8., Geographical Distri- 
bution of Anopheles in relation to the former distribution of ague 
in England. (Cambridge, Journ. Hygiene) 1904. Imp. 8. 44 pg. mith 
2 maps. 
Nuttall, G. H. F., and Shipley, A. E., The Structure and Biology of 
Anopheles, Part I. (Cambridge, Journ. Hygiene) 1904. Imp. 8. 33 pg. 
with 2 plates (4 coloured). 4 
Verrall, G. H., British Flies. (44 volumes.) Vol. VIII: Platypezidae, 
Pipunculidae and Syrphidae of Great Britain and catalogue of the 
same families of the European District with references and synonymy. 
London 1904. roy. 8. 5, 694 and 124 pg. with 4 portrait (of J. 
Meigen) and 458 figures. cloth. 
Vol. I will contain: Cecidomyidae, Sciarinae, II: Mycetophilidae, EN 
RR Ill: Chironomidae, IV: Psychodidae, ’ Culicidae, Rhyphidae, Tipulidae, 
Vi: Stratiomyidae to Cyrtidae, VI: Empidae, VII: Dolichopodidae, Lonchopteridae, 
IX: Oestridae, Tachinidae, X: Sarcophagidae, Muscidae etc., XI: Anthomyidae, XII: 
Cordyluridae to Trypetidae, XIII: Lonchaeidae to Ephydridae, XIV: Drosophilidae 
to Coriaceae. 
F. Orthoptera. 
Petrunkewitsch, A., und Guaita, G. v., Ueber den geschlechtlichen 
Dimorphismus bei den Tonapparaten der Orthopteren. (Jena, Zoolog. 
Jahrb.) 1904. gr. 8. 20 pg. m. 4 Tafeln in-4. 
Ribaga, C., Psocathropos Lachlain n. gen. et n. sp., nuovo Psocide 
trovato in Italia. Firenze (Riv. di Patol. Veget.) 1899. in-8. gr. 4 pg. 
con 4 tavola. 450 
—~ Contributo alla conoscenza dei Psocidi italiani. Firenze (Riv. di Patol. 
Veget.) 1900. in-8. gr. 12 pg. 450 
— Una specie nuova di Psocide trovata in Italia. (Firenze, Riv. di 
Patol. Veget.) 1900. in-8. gr. 3 pg. con 2 figure. 1 
— Osservazioni circa l’anatomia del Trichopsocus Dalii Mc-Lachl. 
Firenze (Riv. di Patol. Veget.) 1904. in-8. gr. 48 pg. con 6 tavole. 6 
G Hemiptera. 

Cockerell, T. D. A., Notas sobre algumas Coccidas Brazileiras. Sao 
Paulo (Rev. Mus. Paul.) 1900. 8. 2 pg. 080 
— Notes on Crypticerya Townsendi Ckll. (Cambridge Mass., Psyche.) 
4904, 4. 3 pg. with figure. 050 
