Old and new species of Lopidea Uhler and Lopidella Knight (Hemiptera, Miridae). Harry H. Knight. 1

Thing-layer chromatography of cello-oligosaccharides: its application to the detection of intermediates of cellulose digestion by bacteria. Yang-Hsien Ke and Loyd Y. Quinn. 27

Development of the second ear of thirty-six hybrids of corn Belt Zea mays 1. W.K. Collins and W.A Russell. 35

A further study of the E pattern locus in the fowl. J.A Brumbaugh and W.F. Hollander. 51

Laboratory production of European corn borer egg masses. W.D. Guthrie, E.S. Raun. F.F. Dicke, G.R. Pesho and S.W. Carter. 65

Resistance of inbred lines of corn (Zea mays L.) to the second brood of the European corn borer [Ostrinia nubilalis (Hubner)]. G.R. Pesho, F.F. Dicke and W.A. Russell. 85

Comment on the paper "Some size and shape relationships between tree stems and crowns." H.A.I. Madgwick. 99