HYDROMEDUSiE. 
Cdsl. li 
Palaeontology ( Cvelenterata collectively). 
tType specimens of fossils in the United States National Museum, 
Alphabetical Catalogue, Merrill (121). 
tNiagara, formation near Cumberland, MD, Uhler(179). 
tCarboniferous formation of S. W. Montana, Douglass (46). 
t Canandaigua and Naples region, New York State, Clarke & Luther 
(34). 
tltbaca Bed, Central New York (no sp.), p. 66, Clarke (33). 
t Middle Miocene, corals, Bellini (9). 
f Secondary and tertiary deposits, Grancona, Veneto, Fabiano (66). 
t Fossil specimen from Barcelona, Almera & Bergeron (5). 
t Upper Devonian formation, Vendee, Welsch (171). 
tCarboniferous limestone of S. Derbyshire, Fox-Strangways (67). 
filed limestone of Nosseldorf, in N. Carpathians, RbmeS (144). 
t Saxony, deposits, Pelz (138). 
tOlmutz, Devonian measures, Felix (62). 
HYDROMEDUSJE (or HYDROZOA). 
Distribution. 
Deep-sea Medusae, Richard (147). 
Hydromedusae of the “ Travailleur ” expedition, Billard (11). 
Antarctic Region, Hartlaub (87). 
Mid Atlantic, Bathypelagic Medusa, Atolla and Pantachogon, Monaco 
(123). 
Skerries, zoophytes dredged off' the, Colgan (38). 
North Sea, Broch (22). 
Scotch Coasts, seasonal occurrence, Browne (24). 
Boulogne, dredging near, Luidaria , Hallez (83). 
France, Haleremita parvula , new Hvdroid, Billard (16). 
Balearic Islands, Hydromedusae gymnoblastae of the, Motz-Kossowska 
(im _ 
Belgium, Filellum serpens on Sertularia abietina , with notes on brackish 
water, Loppens (111). 
Lake Kaban, Hydra oligeetis , Meissner (119). 
Calcutta tanks, Hydra of the, Annandale (6). 
Ceylon Seas, Hydroida, similarity to Australian, Thornley (171). 
Ceylon, shallow-water medusae frotn W. and S., comparison with 
medusoid fauna of Laccadives, note, Browne (26). 
Dutch East-Indies, Medusae, MaAs (116). 
Gam bier Islands, Campanularia , Aglaophenia , Billard (12). 
Maldives, new Hydroias, Borradaile (18). 
Dutch East India, Btylasterina , England & Hickson (63). 
Paraguay, Hydra fused and viridis , von Daday (41). ' 
Parasitism. 
Physalia joelagica commensal with Nomeus gronovii , Hargitt (86). 
Pycnogonides parasitic upon Bougainvillia , Hallez (82). 
Biology and Bionomics. 
Movement in Corymorpha , Torrey (175). 
Problem of senescence, study of Clytia bakeri , Torrey (176). 
North Sea Hydroida, discussions on the Tecophora, Broch (22). 
Budding, various types, r4sum4 of French experiments, McIntosh (117c). 
f Kefers to fossil forms. 
1905. [Vol. xlii.] 
F 12 
