I 
PALEONTOLOGY, HYDROZOA. . Gcel. 11 
New Genus of Coral (Pocta, P.). 
Stromatopora (Rominger, C.). 
Madreporaria (Tomes, R. F.). 
New Silurian and Devonian Corals (Ulrich, E. O.). 
Tabulate Corals (Waagen, W.). Chcetetes, Stenopora , and Monticulipora 
are genera of Tabulate Corals, not of Bryozoa. 
I.— HYDROZOA. . 
I. HYDROMEDUSAG. 
Hydromedusai. Aetiology of origin of forms like Hydractinia from 
primitive actinula type (Brooks, W. K.). 
Argentine Hydromedusai (Burmeister, H.). 
Liverpool Bay Medusae (Clubb, J. A.). 
Polyparium ambulans , n. g., unique band-like colony, from straits near 
Island of Billiton (Korotneff, A.). 
Gastroblasta raffaelei , n. sp. (Lang, A.). 
Hydromedusai . Australian (Lendenfeld, R. v.). 
Hydromedusai. Polar (Lorenz, L. v.). 
Polypodium hydriforme } n. g. (Ussow, M.). 
Hydride. 
Hydra (Breckenfeld, A. H.). 
Hydra hexactinella, n. sp. (Lendenfeld, R. v.). 
Hydra. Sexual organs. (Marshall, A. M.) 
Hydra. Regeneration (Mobius, K.). 
Natural history of Hydra (Nussbaum, M.). 
Milleporide. 
Millepora. Embryos within chitinous capsules in the walls of the 
canals (Hickson, S. J.) 
Stylasteride. 
Stylasteridai (Greeff, R.). 
Titbulariide. 
New stalk-formation in Tubularia mesembryanthemum (Klaatsch, H.). 
Plumulariide. 
Plumulariidce , revision of genera ; Sertularella johnstoni and Plumularia 
watsii t n. spp. (Bale, W. M.) 
Anthomeduse. — Eucopide. 
Life-history of Anthomedusce , Turritopsis , Eutima (Brooks, W. K.). 
Anatomy of Eleutheria (Hartlaub, Cl.). 
Leptomeduse. 
Leptomedusce (near Eucopidce\ Irenopsis JiexanemaliSy n. g. (Goette, A.) : 
Flat umbrella, 32 tentacles, numerous marginal vesicles, short manubrium, 
6 radial canals, rudimentary velum. Glossocodon haickelii , u. sp. 
