H. D. Pratt

21 public-domain plates in the archive

• Bombus sp. 15 Aug 1962
• Bombus (Pyrobombus) ternarius 4 Aug 1963 to 16 Aug 1963
• Bombus (Psithyrus) citrinus 21 Jul 1963
• Bombus (Bombus) terricola 4 Aug 1963 to 16 Aug 1963
• Drosophila (Sophophora) melanogaster 11 Jul 1946
• Bombus (Bombus) terricola 4 Aug 1963 to 16 Aug 1963
• Bombus perplexus Jul 1961
• Bombus sp. 27 Jul 1963
• Bombus (Pyrobombus) ternarius 4 Aug 1963 to 16 Aug 1963
• Bombus (Pyrobombus) perplexus 4 Aug 1963 to 16 Aug 1963
• Bombus (Bombus) terricola 16 Aug 1962
• Bombus (Bombus) terricola 4 Aug 1963 to 16 Aug 1963
• Bombus (Bombus) terricola 4 Aug 1963 to 16 Aug 1963
• Bombus (Pyrobombus) ternarius 4 Aug 1963 to 16 Aug 1963
• Bombus sp. Jul 1961
• Bombus sp. 16 Aug 1962
• Bombus (Pyrobombus) vagans vagans 4 Aug 1963 to 16 Aug 1963
• Bombus vagans sandersoni 20 Aug 1962
• Bombus sp. 21 Jul 1963
• Bombus vagans sandersoni Jul 1961
• Bombus (Bombus) terricola 4 Aug 1963 to 16 Aug 1963