|  | THE BIOLOGY OF THE CRYPTIC FAUNA OF FORESTS with special reference to the indigenous forests of South Africa | LAWRENCE,R.F. | € 25.00 |  |  | 
                
                
                    |  | THE BIOLOGY OF THE HETEROPTERA | MILLER,N.C.E. | € 20.00 |  |  | 
                
                
                    |  | THE BIOLOGY OF THE HONEY BEE | WINSTON,M. | € 25.00 |  |  | 
                
                
                    |  | THE BIOLOGY OF TIGER BEETLES | KNISLEY,C.BARRY a.o. | € 20.00 |  |  | 
                
                
                    |  | THE BIONOMICS AND IMMATURE STAGES OF THE CLEPTOPARASITIC BEE GENUS PROTEPEOLUS (ANTHOPHORIDAE, NOMADINAE)  American Museum Novitates (nr 2640) | ROZEN,J.G., K.R. EICKWORT EN G.C. EICKWORT | € 5.00 |  |  | 
                
                
                    |  | THE BIONOMICS OF ENTOMOPHAGOUS COLEOPTRERA 2 vols | BALDUF,WALTER VALENTINE | € 50.00 |  |  | 
                
                
                    |  | THE BIOTIC ASSOCIATIONS OF COCKROACHES | ROTH,KOUIS M.a.o. | € 10.00 |  |  | 
                
                
                    |  | THE BLACK ARMY CUTWORM. A BLUEBERRY PEST  Maine Agr. Exper. Station | PHIPPS, C.R. | € 5.00 |  |  | 
                
                
                    |  | THE BLACK FLIES OF GUATEMALA.. | DALMAT,HERBERT T. | € 10.00 |  |  | 
                
                
                    |  | THE BLOWFLIES OF CALIFORNIA (DIPTERA: CALLIPHORIDAE) Bulletin of the California Insect Survey, Vol. 4, no. 1 | JAMES, M.T. | € 6.00 |  |  | 
                
                
                    |  | THE BOLL WEEVIL MANAGEMENT STRATEGIES Bull. Univ. of Arkansas nr. 228 | WARREN,L.O., E.A. | € 7.00 |  |  | 
                
                
                    |  | THE BOOK OF BUTTERFLIES  vol 2 | CONSTABLE`S MISCELLANT | € 40.00 |  |  | 
                
                
                    |  | THE BOOK OF SPIDERS | PRESTON-MAFHAM,R. | € 10.00 |  |  | 
                
                
                    |  | The book of the honey bee. | Harrison,C. | € 10.00 |  |  | 
                
                
                    |  | THE BRITISH CADDIS FLIES | MOSELY,M.E. | € 65.00 |  |  | 
                
                
                    |  | THE BRITISH CADDIS FLIES (Trichoptera) | MOSELY,MARTIN E. | € 10.00 |  |  | 
                
                
                    |  | THE BUSY LITTLE HONEYBEE | TRUE,JOSEPHINE MORSE | € 10.00 |  |  | 
                
                
                    |  | THE BUTTERFLIES  OF THE WHITE MOUNTAINS OF NEW HAMPSHIRE | KIEL,WARREN J. | € 10.00 |  |  | 
                
                
                    |  | THE BUTTERFLIES OF HONG KONG | BASCOMBE,M.J. | € 75.00 |  |  | 
                
                
                    |  | THE BUTTERFLIES OF NORTH AMERICA | SCOTT,J.A. | € 34.00 |  |  |