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Božidar P.M. Ćurčić

Two new species of Roncus L. Koch, 1873 (R. svarozici n. sp. and R. svanteviti n. sp.), collected in eastern and southeastern Serbia, Yugoslavia, are described and their distribution is given. A supplementary description of R. pljakici Ćurčić, 1973, is provided as well.

Angelika Brandt

A new species of Coperonus, C. pinguis, is described from the Antarctic deep sea. It is the first record of an Antarctic deep-sea species in this genus and the southernmost record of Coperonus.

S. van der Spoel

The shell of Peraclis valdiviae (Meisenheimer, 1905) from Banda Sea specimens proved to be of a slender Peraclis bispinosa-like type. The specimens showed a very shallow distribution in the Banda Sea due to relatively high deep-water temperatures and vertical mixing.

Eduardo Hajdu and Rob W.M. van Soest

Various records of A. simplex Carter, 1879 from the Atlantic are assigned to three new species of the sponge genus Asteropus Sollas, 1888, viz.: A. brasiliensis sp. n., A. vasiformis sp. n., and A. niger sp. n., whereas A. simplex s.s. is restricted to the Indo-Pacific. A worldwide study of Asteropus specimens resulted in the conclusion that two species groups exist, namely “simplex ”- like species (with true sanidasters), and “sarasinorum”- like species (with spiny microrhabds), as previously observed by Bergquist (1965, 1968). A newly discovered microsclere complement of trichodragmata in the first group strengthens the need for generic distinction of both lineages, and accordingly the name Melophlus Thiele, 1899 is reinstated for the “sarasinorum” species group. A key to the West Atlantic species of Asteropus is provided. The family allocation of Asteropus and associated genera in the Coppatiidae Topsent, 1898 is discussed, with the conclusion that the family is undoubtedly a polyphyletic assemblage related to various astrophorid groups (Hooper, 1986; Van Soest, 1991).

H.P. Wagner

During the Amsterdam Expedition to the Dominican Republic a new Stygiomysis species, S. aemete, was captured in a well about 5 km east of the Haitian border in the Pedernales Province. Its relation to the other Caribbean Stygiomysis species as well as the biogeography of the genus is discussed.

A.J. de Boer

The viridis group is proposed for a supposedly monophyletic group of seven New Guinean species of the cicada genus Baeturia Stål, 1866. Three species (B. brongersma Blöte, B. rufula Blöte, and B. viridis Blöte) are redescribed and four species (B. furcillata, B. karkarensis, B. lorentzi, and B. turgida) are described as new to science. A key to the males is provided. The phylogenetic position of the viridis group within the genus Baeturia is discussed. The distribution of shared characters suggests a subdivision of the group into two subgroups. One subgroup is restricted to southern and western Irian Jaya, while the other is distributed along the coastal mountain ranges of northern New Guinea, including Karkar Island.

Guilherme Ribeiro Lotufo and Carlos Eduardo Falavigna da Rocha

Cuipora janaina gen. n., sp. n., and Cyclopina caiala sp. n. are described from the interstitial water of a sandy beach in Salvador, Bahia (Brazil).

Hans-Georg Müller

Metacirolana agaricicola Kensley, 1984 from the Caribbean Sea of Colombia is redescribed, with particular reference to its sexual dimorphism. Metacirolana agujae n. sp., known only from Colombia, is decribed. The interspecific affinities of both species are discussed and notes on their habits are given.

S. van der Spoel and J. Bleeker

The distribution, temperature, and size ranges of 60 species of myctophids in the North Atlantic between 55°N and 24°N along approximately 30°W are recorded for the four seasons. The general zoogeography and migration is discussed. Faunal groups of species, faunal borders, and transition zones near 50°N, 41 °N, and 29°N for myctophids are distinguished and discussed.

J.P. Duffels

The new combination Hamza ciliaris (Linnaeus) is proposed for a cicada species widely distributed in Maluku ( = Moluccas), Timor, Banda, Kei and Banggai Islands, the Philippines, and the Palau group of the Caroline Islands.