Acta Zoologica Bulgarica — 57 (2)

G. Georgiev, N. Simov, A. Stojanova, D. Doychev — New and Interesting Records of Longhorn Beetles (Coleoptera: Cerambycidae) in Some Bulgarian Mountains — 131-138.

G. Blagoev — A Contribution to the Knowledge of the Wolf Spiders (Araneae: Lycosidae) of Albania — 139-144. [PDF]

S. Lazarov — Spiders (Araneae) from Maquises in South-West Bulgaria - Part I — 145-152. [PDF]

J. Kontschan — On Some Little Known and New Uropodina Species (Acari: Mesostigmata) from Croatia, Serbia-Montenegro, Slovenia and Macedonia — 153-160. [PDF]

M. Vassilev, L. Pehlivanov — Checklist of Bulgarian Freshwater Fishies — 161-190. [PDF]

A. Apostolou — The Ichtyofauna from the Bulgarian Sector of the Mesta River — 191-196. [PDF]

T. Ivanova — Important Bat Underground Habitats (IBUH) in Bulgaria — 197-206. [PDF]

P. Shurulinkov — On the Breeding Biology of Skylark, Alauda arvensis cantarella (Aves: Passeriformes) in West Bulgaria — 207-216. [PDF]

B. Krastanov — Cytogenetical Variability of Chironomus balatonicus Devai, Wuelker, Scholl (Diptera, Chironomidae) from Different Water Basins in Bulgaria — 217-228. [PDF]

Zh. Zhelev, M. Petkov, Z. Adzalijski — Blood Composition Changes in Rana ridibunda (Anura, Amphibia) from an Area of Highly Developed Chemical Industry — 229-236. [PDF]

L. Velcheva, V. Noncheva — Regression Models Describing Zinc (Zn) Accumulation in the Fishbone of Three Freshwater Fish Species — 237-244. [PDF]

P. Shurulinkov — Occurrence of Haematozoan Parasites of Genus Hepatozoon (Apicomplexa: Hepatozoidae) in Wild Birds in Bulgaria — 245-252. [PDF]

B. Naumov, L. Tomovic — A Case of Melanism in Natrix natrix (Linnaeus, 1758) (Reptilia: Colubridae) in Bulgaria — 253-254. [PDF]

Editorial Board — Professor Valentin Ivanov Lavchiev, DSc (11.01.1932-21.03.2005) — 255-256. [PDF]