Volume 18 contains a collection of articles on Ciliata, corals, molluscs, Crustacea, insects, fishes, reptiles, and mammals.
General
Preface: H.R.H. Prince Saud bin Faisal bin Abdulaziz 1
Introduction: Editors 2
Ciliata of Arabia
Al-Rasheid, K.A.S.: Some marine interstitial Prostomatida and Haptorida (Ciliata) from the Jubail Marine Wildlife Sanctuary on the Saudi Arabian Gulf shore 5
Corals of Arabia
DeVantier, L., Turak, E., Al-Shaikh, K. & De'ath, G.: Coral communities of the central-northern Saudi Arabian Red Sea 23
Kemp, J.M. & Benzoni, F: A preliminary study of coral communities in the northern Gulf of Aden 67
Molluscs of Arabia
Yonow, N.: Red Sea Opisthobranchia 4: The orders Cephalaspidea, Anaspidea, Notaspidea and Nudibranchia: Dendronotacea and Aeolidacea 87
Crustacea of Arabia
Apel, M. & Brandis, D.: A new species of freshwater crab (Crustacea: Brachyura: Potamidae) from Socotra Island and description of Socotrapotamon n. gen. 133
Taiti, S., Ferrara, F. & Davolos, D.: The terrestrial Isopoda (Crustacea: Oniscidea) of Oman 145
Insects of Arabia
Linnavuori, R.E. & Van Harten, A.: Additional notes on the Heteroptera (Insecta: Hemiptera) of Yemen 165
Ahrens, D.: Sericinae (Coieoptera: Scarabaeoidea: Melolonthidae) of Arabia 177
Raimundo, A.A.C. & Van Harten, A.: An annotated checklist of the Coccinellidae (Insecta: Coleoptera) of Yemen 211
Anton, K.-W.: Descriptions of four new species of the genus Bruchidius Schilsky, 1905 (Coleoptera: Bruchidae) from the Arabian Peninsula 245
Olmi, M. & Van Harten, A.: Notes on Dryinidae, Embolemidae and Sclerogibbidae (Hymenoptera: Chrysidoidea) of Yemen, with keys to the species of the Arabian Peninsula 253
Chandler, P.J.: Fungus gnats (Diptera: Keroplatidae and Mycetophihdae) from the Arabian Peninsula 273
Leclerc, M.: A faunistic account of Tabanidae (Diptera) of Saudi Arabia and Oman 285
Fishes of Arabia
Kemp, J.M.: Zoogeography of the coral reef fishes of the north-eastern Gulf of Aden, with eight new records of coral reef fishes from Arabia 293
Krupp, F, Almarri, M., Zajonz, U., Carpenter, K., Almatar, S. & Zetzsche, H.: Twelve new records of fishes from the Gulf 323
Klausewitz, W. & Zajonz, U.: Saurenchelys meteori n. sp. from the deep Red Sea and redescriptions of the type specimens of Saurenchelys cancrivora Peters, 1865, Chlopsis fierasfer Jordsin & Snyder, 1901 and Nettastoma elongatum Kotthaus, 1968 (Pisces: Nettastomatidae) 337
Kemp, J.M.: Hybridisation of the marine angelfishes Pomacanthus maculosus and P. semicirculatus in the Gulf of Aden 357
Reptiles of Arabia
Al-Merghani, M., Miller, J.D., Al-Mansi, A. & Pilcher, N.: The green and hawksbill turtles in the Kingdom of Saudi Arabia: Synopsis of nesting studies 1986-1997 369
Mammals of Arabia
Gladstone, W. & Fisher, P.R.: Status and ecology of cetaceans in the Farasan Islands Marine Protected Area (Red Sea) 385
Snowden, P, Bates, P.J.J., Harrison, D.L. & Brown, M.R.: Recent records of bats and rodents from Oman including three species new to the country 397