Historia naturalis bulgarica, Volume 12 (2000)

Ljubomirov, Toshko — Revised check-list of digger wasps (Hymenoptera: Sphecidae) from the collection of N. Nedelkov at the National Museum of Natural History in Sofia: 5—15 (in English, summary in Bulgarian).

Beron, Petar — Zoological research in Jebel Marra (Darfur, Sudan): 16 (in Bulgarian).

Pandourski, Ivan — Cyclopides (Crustacea: Copepoda) des eaux souterraines de Bulgarie: distribution et remarques morphologiques: 17—27 (in French, summary in Bulgarian).

Beron, Petar — Encyclopaedia biospeologica — an event in the Biospeleology: 28 (in Bulgarian).

Lapeva, Albena; Simov, Nikolay — Xylocoris formicetorum (Boheman, 1844) (Heteroptera: Anthocoridae), a new member of the myrmecophilous fauna of the Balkan Peninsula: 29—31 (in English, summary in Bulgarian).

Popov, Alexi — Identification book of the dragonflies (Odonata) in Bulgaria by Milen Marinov: 32 (in Bulgarian).

Uhmann, Gerhard; Gueorguiev, Borislav — Review of Anthicidae (Coleoptera) from Bulgaria: 33—39 (in English, summary in Bulgarian).

Popov, Alexi — A new World red book: 40 (in Bulgarian).

Beshkov, Stoyan; Goater, Barry — Macrolepidoptera and Microlepidoptera (Alucitidae and Pyralidae) recorded in Bulgaria, 12—24 September 1995 (Lepidoptera): 41—58 (in English, summary in Bulgarian).

Stoev, Pavel — On the distribution, biology and ecology of amphibians and reptiles in the Derventski Heights and the Sakar Mountain, South-East Bulgaria: 59—69 (in English, summary in Bulgarian).

Petrov, Boyan — Expedition of the National Museum of Natural History in Northern Greece (15—29.09.2000): 70 (in Bulgarian).

Boev, Zlatozar — Late Pleistocene Avifauna of the Razhishkata Cave, Western Bulgaria: 71—87 (in English, summary in Bulgarian).

Spassov, Nikolai — The Symposium “The Holarctic Ungulates of the Pliocene and Pleistocene”, 19—22 September 2000, Avignon, France: 88 (in Bulgarian).

Spassov, Nikolai — Biochronology and zoogeographic affinities of the Villafranchian faunas of Bulgaria and South Europe: 89—128 (in English, summary in Bulgarian).

Stoyneva, Maya — Soil algae in museum samples from some Southwest Asia sites. I: 129—146 (in English, summary in Bulgarian).

Vutov, Vasil; Dimitrov, Dimitar — New chorological data for rare and protected vascular plant species in Bulgaria: 147—150 (in Bulgarian, summary in English).

Vutov, Vasil; Dimitrov, Dimitar — New chorological data for the distribution of vascular plants with conservation status in Bulgaria: 151—156 (in Bulgarian, summary in English).

Boev, Zlatozar — The paleornithology and archaeornithology as paleozoological branches: 157—166 (in Bulgarian, summary in English).

Popov, Alexi — A catalogue of the geometers (Lepidoptera: Geometridae) in Bulgaria by Ekaterina Nestorova: 167 (in Bulgarian).