Invertebrates

SCHLÜTER, C. Beiträge zur Physiologie und Morphologie des Verdauungsapparates der Insekten Incl. Tax., + Shipping

SCHULTZE, W. Biology of the large Phillipine forest scorpion Incl. Tax., + Shipping

SEDLAG, U. Hautflügler (I) (Grabwespen, Wespern, Bienen, Goldwespen u.a.) Incl. Tax., + Shipping

SANDERSON, E.D. Insect Pests of Farm, Garden and Orchard Incl. Tax., + Shipping

SCHÄFER, W. Form und Funktion der Brachyuren-Schere Incl. Tax., + Shipping

ROEWER, C.-F. Die Weberknechte der Erde - Systematische Bearbeitung aller bisher bekannten Opiliones Incl. Tax., + Shipping

ROEWER, C.F. Revision der Opiliones Plagiostethi - Familie der Phalangiidae (Subfamilien Gagrellini, Liobunini, Leptobunini, Sclerosomini, Oligolophini, Phalangiini) Incl. Tax., + Shipping

ROTH, V.D. A Redescription of the Spider Genus Mizaga Simon (Agelenidae), with New Synonymy Incl. Tax., + Shipping

RIBBLE, D.W. A Revision of the Banded Subgenera of Nomia in America (Hymenoptera Halictidae) Incl. Tax., + Shipping

ROBERTS, M.J. The Spiders of Great Britain and Ireland Part 1 & 2 Incl. Tax., + Shipping

Key to the Families Description of Species-Atypidae to Theridiosomatidae, Linyphiidae Incl. Tax., + Shipping

ROEWER, C. F. Araneae du Voyage aux Indes Orientales Neerlandaises Incl. Tax., + Shipping

PRADO, A. Sinopse des especies de Rhopalurus Incl. Tax., + Shipping

PRADO, A. Uma nova especie de Escorpio do Genero Bothriurus Incl. Tax., + Shipping

RADEMACHER, I. Chironomiden-Studien am Untermain (Diptera) I. Lichtfänge an der Schleuse Kesselstadt Incl. Tax., + Shipping

REDIKORTZEV, V. Les Pseudoscorpiones de l'Índochine francaise recueillis par M.C.Dawydoff Incl. Tax., + Shipping

REINHARDT, R. Der Landkärtchenfalter Araschnia levana - Einfluß der Umwelt auf den Gestaltswandel Incl. Tax., + Shipping

POLIS, G.A. Prey and feeding phenology of the desert sand scorpion Paruroctonus mesaensis Incl. Tax., + Shipping

POLIS, G.A. Seasonal Patterns and Age-Specific Variation in the Surface Activity of a Population of Desert Scorpions in Relation to Environmental factors Incl. Tax., + Shipping

PRADO, A., RIOS-PATINO, J.L. Contribucion al Estudio de los Escorpiones de Colombia Incl. Tax., + Shipping

PFETSCHINGER, H. Einheimische Spinnen - Die Webspinnen - Arten und Verhalten mit 120 Farbfotos Incl. Tax., + Shipping

PICKARD-CAMBRIDGE, F.O. Biologia Centrali-Americana Arachnida - Araneidea and Opiliones Band 2 Incl. Tax., + Shipping

PLATNICK, N.I., FORSER, R.R. A Revision of the temperate South American and Australasian Spiders of the Family Anapidae Incl. Tax., + Shipping

OSTER, G.F., WILSON, E.O. Caste and Ecology in the Social Insects Incl. Tax., + Shipping