00948cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001800142100003000160245013900190260007600329300004600405500005500451504002900506650001700535600003300552700004300585710003700628999001700665agr41000229 DLC20260227110959.0751124s1940 xx ca 000 0 eng  aagr41000229  a(OCoLC)1850378 aDLCcOAkUdDLC apremarc00aQL517.1b.B421 aBetten, Cornelius,d1877-14aThe Francis Walker types of Trichoptera in the British museum,cre-described and figured by Cornelius Betten ... and Martin E. Mosely. aLondon,bPrinted by order of the Trustees of the British museum,c1940. aix, 248 p.bfront. (port.) illus.c26 cm. aAt head of title: British museum (Natural history) aIncludes bibliographies. 0aCaddisflies.10aWalker, Francis,d1809-1874.1 aMosley, Martin Ephriam,ejoint author.2 aBritish Museum (Natural History) c10098d10098