HYDROMEDUSAS. 
God. 17 
Budding tentacles of Gonionemus, Hargitt (95). 
Spermatogenesis in Hydra , Guenther (84). 
Development of the hydranth, Billard (13). 
Development of Eudendrium , Hargitt (91). 
Development of V della , Woltereck (233). 
Geography. 
Antarctic regions, n. spp., JaderRolm (119). 
Antarctic Siphonophora , Thomson (207). 
Norway, collections, Hartlaub (96). 
Drontheim, collections, Swenander (206). f 
Azores, collections, Jaderholm (119). 
v tUral, Devonian forms, Bogatirew (14). 
+ England, upper chalk, Cretaceous forms, Jukes-Browne (124). 
Plymouth, n. spp., Browne (18). 
Cork coast, Velella spiralis , Martin (153). 
Belgium, collections, Loppens (145). 
4 Bohemia, faunistic, Iserle (117). 
Bay of Naples, n. spp., Hargitt (90). 
North and South Portugal, marine fauna, Nobre (166, 167). 
Madeira, South Atlantic, South Africa, n. spp., Jaderholm (118). 
Africa, Lakes Tanganyika and Victoria Nyanza, occurrence of jelly-fish, 
Moore (160). 
Victoria Nyanza, Limnocnida spp., Gravier (82). 
American Sertularidce , monograph, Nutting (170). 
tMaryland, n. spp., Ulrich & Vaughan (216). 
"• tHudson Bay Slope, Devonian rocks, n. gen., n. sp., Parkes (173). 
Long Island Sound, n. sp., Hargitt (94). 
California, collections, Jaderholm (118).' 
San Diego, n. spp., Torrey (209). 
Valparaiso, Brazil, Patagonia, Straits of Magalhaen, collections, Jader- 
holm (118). 
Indian Seas, occurrence of Porpita, Annandale (7). 
Indian Ocean, India, Antilles, Java, n. spp., Jaderholm (118). 
Bahamas, medusae, n. gen. and sp., Mayer (154). 
Bahamas, the medusa fauna, Mayer (155). 
Bermudas, n. spp., Verrill (220). 
Japan, n. spp., Goto (79). 
South Japan, Hongkong, n. sp., Jaderholm (118). 
4 Sumatra, n. sp., Volz (227). 
Hawaiian Islands, gymnoblastic hydroids, Nutting (169). 
Systematic. 
Hydroids , gynoblastic forms from the Hawaiian Islands, Nutting, Science 
xix, p. 217. 
Abietinaria abietina , p. 114, pi. xxxii, figg. 1-3, A. variabilis , p. 115, 
figg. 4-7, A. inconstans , p. 116, pi. xxxiii, figg. 1 & 2, A. coli, p. 117, 
figg. 3-5, A. filicula , p. 117, pi. xxxiv, fig. 1, A. traski , p. 118, 
pi. xxxiii, figg. 6-11, A. anguina , p. 119, pi. xxxiv, figg. 5-7, A. 
compressa , p. 120, pi. xxxv, figg. 3 & 4 , A. greenei , p. 121, pi. xxxvi, 
figg. 1-8, A. costata , p. 122, pi. xxxvi, figg. 9-12, A. annulata , p. 122, 
figg. 13-15, A. turgida , pi. xxxvii, figg. 1 & 2, A. gigantea , p. 123, 
figg. 3-5, Nutting, Special Bull. U. S. Mus. 1904. 
f Refers to fossil forms. 
