On January 1st, 1901, was published, royal 8uo, cloth, 780 pages, 

 ivith 458 figures. £1 lis. Qd. net. 



BRITISH FLIES 



(SYRPHIDiE, &c.) 



Including a Synonymic Catalogue of the European species. 



By Gh. EC. VJBRRAIjIj. 



PRESIDENT or THE ENTOMOLOGICAL SOCIETY OP LONDON. 



The Catalogue may he had separately, price 5s. net. 



GURNEY and JACKSON, 1, Paternoster Row 



(mr. van Voorst's successors). 



-pERKSHIEE INSECTS.— WiU Lepidopterists, Coleopterists, 

 "^ Hymenopterists, or Hemipterists, who have collected in Berkshire be kind 

 enough to communicate, as early as possible, with — 



W. HOLLAND or A. H. HAMM, University Museum, Oxford. 



The Practical iicientiflc Cabinet IMIaliei'S. 



J. T. CROCKETT & SON 



(Established 1847), 



Ulakcrs of etjerg fesalption anb .^i^c of Cabinets, OJases, <^tate 

 gojees. Apparatus, aub gpUances, 



And Dealers in all kinds of Specimens for Entomologists, Botanists, 



Ornithologists. Geologists, Mineralogists, Nuniismatists, Conchologists, &c., 



and for the use of Lecturers, Science Teachers, Colleges, Students, &c. 



MUSEUMS FITTED AND AERANGED. 



Specially made Cabinet for Birds' Eggs and Skins. The Drawers 



graduate in depth, and are all interchangeable. 



AUL BEST WORK. ESTIMATES GIVEN. 



l8^° All Goods at Store Prices. Great advantages in dealing direct with the Makers. 



Seud for Full Detailed Price List before ordering elsewhere. 



7a, PRINCE'S STREET, CAVENDISH SaUARE, LONDON, W. 



Factories — 34, RIDINft HOUSE STREET and OULE STREET, W. 



Complete in one thick vohome, royal 8vo, with 59 plates engraved on copper 

 from the author's drawings : 



A MONOGEAPHIC EEVISIOX AND SYNOPSIS OF THE 



^^ TRICHOPTERA OF THE EUROPEAN FAUNA. By Robert McL.\ohlan, 

 F.R.S., P.L.S., &o. Price, £3 10s. 



First Additional Supplement (with 7 plates), Price, Ss. 



London : Gurney & JACKso>f, 1, Paternoster Row, E.G. 



Berlin : Friedlander und Sohn, 11, Carlstrasse. 



