16 God. 
XV I. COSLENTERATA. 
Geography. 
Spitzbergen, fauna, Romer (185). 
Northern Europe, plankton, list of spp., Knudsen (122). 
Hamburg, fauna of the Elbe, Yolk (220). 
Firth of Forth, marine deposits, Pearcey (165a). 
tSuffolk, upper chalk, collections, Browne (22). — f Devon and York- 
shire, collections of fossils in the white chalk zones of the English coast, 
Rowe (188). — Exmouth, spp. serving as fish-food, Todd (205). 
tJura, lists of spp. with localities, Schardt & Dubois (191). 
Tyrol, plankton of Achensee, Zacharias (230). 
fEgypt, Blanokenhorn (16). 
tKansas, collections from the Upper Carboniferous, Adams, Girty & 
White (1) ; fauna of the Coal Measures, list of species, Beede (10). — Iowa, 
Page County, Calvin (24); Pottawattamie County, Udden (210); Mills 
and Fremont Counties, Udden (211). 
Atlantic and Indian Oceans, submarine forms, Kulczycki (127). 
II. HYDROMEDUS^E (or HYDROZOA). 
[The following memoirs relate to Hydromedusce : — Aders (2), Billard 
(13-15), Broch (20), Brooks (21), Browne (23), Chun & Will (27), Gast 
& Godlewski (78), Gravier (90), Guenther (92), Gunther (93 & 94), 
Hargitt (100, 102), Herdman (105), Hickson (108a, 109), King (118), 
Kirkpatrick (120), Lonnberg (134), Mast (140), Mathews (141), May 
(142), Moore (149), Morgan (150), Motz-Kossow.sk a (153), Murbach 
(156 & 157), Murbach & Shearer (158), Neviani (160), Nordenskiold 
(161), Peebles (166), Perez (168), Redeke & Breemen (176), Ricker 
(182), Ritter (184), Schydlowsky (197), Steinmann (199), Steuer (200), 
Thacher (202 & 203), Torrey (207), Trinci (208), Weed & Crossmann 
(223), Yerkes (229), Zelizko (232), Zykoff (234).] 
SUBJECT INDEX. 
General Biology. 
Morphology and development of Porymorphq ppndula, May (142). 
Histology, Chun & Will ( 27). 
Structure, affinities and mode of life of Mnestra parasites parasitic on 
Phyllirho'e bucephala , Gunther (94). 
Horny membrane in Neohelia porcellana, Hickson (109). 
Regeneration and grafting, Peebles (166). — Factors in the regeneration 
of Tubidaria , Morgan (150). — Regeneration experiments on Hydra viridis , 
King (118). — Regeneration, grafting and histology, Hargitt (100). — 
Regeneration, experiments, Hargitt (102). — Regulation in Pennaria cavo- 
linii , Gast & Godlewski (78). 
Reactions of Gonionema murbachii to photic stimuli, Yerkes (229). 
Absorption of hydranths of hydroid polyps, Thaoher (202 & 203). 
Reactions to temperature changes in Hydra , Mast (140). 
Static function in Gonione?nus> Murbach (157). 
Egg-laying in Gonionemus; effects of coloured light, Murbach (156). 
Spermatogenesis, Hydra viridis, Guenther (92). 
On the morphogenic action of moving water on Hydroids, Motz- 
Kossowska (153). 
Excretion in Hydroids, Billard (15). 
Electrical polarity of Hydroids, Mathews (141). 
Variations of Plumularia halecioides, Billard (14). 
