HYDROMEDUSiE. 
Ccel. 17 
Development and anatomy of testes in Hydra viridis , Aders (2). 
Mode of life of Tubvdaria parasitica, Torrey (207). > 
Laboratory guide for beginners, Weed & Crossmann (223). 
Geography. 
North Sea, collection of Hy droids, Broch (20); plankton, Redeke & 
Breemen (176). 
North Atlantic, n. genus and spp., Gunther (93). 
Norway and Spitzbergen* 4 n. spp., Browne (23). 
Finland, H. viridis , Nordenskiold (161). 
Russia, fauna, Zykoff (234) pp. 43-48. 
Isle of Man, collections, Herpman (105). 
La Hougue, list of gymnoblastic and calyptoblastic spp., Billard (13). 
Belgium, list of spp., Neviani (160). 
t Bohemia, fauna, &elizko (232). 
Bordeaux, docks; occurrence of Cordylophora lacustris , PfliREZ (168). 
tStramberg, n. gen. Milleporidium, SteinMann (199). 
Gulf of Naples, n. sp., Trinci (208). 
Gulf of Trieste, plankton, Steuer (200). 
Victoria Nyanza, occurrence of Limnocnida tang any iccc, Gravier (90). 
S. Africa, Hydrocorallince , Hickson (108a). 
Lake Tanganyika, Moore (149). 
Zanzibar, n. sp., Hickson (109). 
Japan, Leptomedusce (n. gen. and sp.), Trachomcdusce , Discomedusce , 
Kirkpatrick (120). 
Bahamas, n. gen., Brooks (21). 
British Columbia and Alaska, 5 n. spp., Murbach & Shearer (158). 
Iowa, large red Hydra , Ricker (182). 
San Diego, marine biology, Ritter (184). 
Systematic. 
Histology of the musculature, nervous system, etc., Chun & Will, Bronn, 
Class. Ordn. ii, 2, 18-21 Leif., pp. 327-370. 
JEquorea norvegica (Leptomedusoe), Arctic circle, Norway (Lofoten Isles), 
Browne, Bergens Mus. Aarbog 1903, pt. i, p. 19, pi. v, figg. 1-5, n. sp. 
Aglantha rosea (Trachomedusje), North Atlantic, characters and occur- 
rence, Gunther, Ann. Nat. Hist. (7) xi, p. 427, pi. x, figg. 6-8. 
Aglaophenia rrtyriophyllum , form influenced by moving water, Motz- 
Kossowska, C.R. Ac. Sci. cxxxvii, p. 863. 
Allopora and Stylaster distinctions, Hickson, Mar. Invest. S. Africa i, p. 93. 
Antennula.ria variabilis , North Sea, Broch, Bergens Mus. Aarbog 1903, 
pt. ii, p. 10, pi. iv, figg. 22-25, n. Sp. 
Bythotiara (Anthomedusse) n. gen. for B. murrayi n. Sp., North Atlantic, 
Gunther, Ann. Nat. Hist. (7) xi, p. 424, pi. x, figg. 4 & 5. 
Campanularia , excretion, Billard, C.R. Ac. Sci. cxxxvii, p. 340 ; ( 7 ., 
absorption of the hydranth in hydroid polyps, Thacher, Biol. Bull, v, 
pp. 297-303; C '., Isle of Man, Herdman (Punnett), Tr. Liverp. biol. 
Soc. xvii, p. 46. 
Ceratella. minima , Zanzibar, anatomy and affinities, Hickson, P. Zool. Soc. 
London 1903, i, pp. 113-116, pi. xiii, n. sp. 
Codonium apiculiim , British Columbia, anatomy, Murbach & Shearer, 
op. cit. ii, p. 165, pi. xvii, fig. 1, pi. xxii, figg. 4 & 5, n. sp. 
Cordylophora lacustris , occurring in the docks at Bordeaux, PIcrez, C.R. 
Soc. Biol, lv, p. 98. 
Corymorpha pendula , morphology and development, May, Amer. Natural, 
xxxvii, pp. 579-599, 12 figg. 
