P. C. Holt

16 public-domain plates in the archive

• Cambarus longulus longirostris 28 Sep 1957
• Cambarus tenebrosus 23 Jul 1961
• Cambarus (Depressicambarus) sphenoides 17 Apr 1960
• Cambarus (Depressicambarus) sphenoides 25 Jul 1961
• Cambarus (Depressicambarus) sphenoides 29 Jul 1958
• Cambarus tenebrosus 24 Jul 1961
• Cambarus latimanus 22 Mar 1961
• Procambarus blandingii acutus 20 Apr 1960
• Procambarus acutus 17 Apr 1963
• Procambarus paeninsulanus 25 Apr 1963
• Xironogiton instabilius 17 Dec 1946
• Cambarus striatus 19 Apr 1960
• Cambarus striatus 24 Jul 1961
• Cambarus striatus 18 Apr 1960
• Cambarus (Depressicambarus) striatus 19 Apr 1960
• Procambarus blandingii acutus 20 Apr 1960