HYDROMEDUSiE. 
Cod. 13 
Hydroids ; list of genera and spp. with bibliography and history, Bedot, 
Rev. Suisse Zool. ix, pp. 379-515. 
Hydroid zoophytes from the Isle of Man, Wood, Lioar Mannin. ii, 
pp. 12-21. 
Fission in Hydroids, Billard (10); stolonisation, id. (11). 
Hydromedusce \ monograph of North American forms, Hargitt, Amer. 
Natural, xxxv, pp. 301-315, 379-395, 575-595, 61 figg. 
H., variation in several genera, Hargitt, Biol. Bull, ii, pp. 221-255, 4 pis. 
Sipkonophora, Arctic, Romer [in] Fauna Arctica ii, pp. 171-176. 
Acanthocladium studeri , Thursday Island, characters and colour, Weltner, 
Semon Zool. Forsch. Austral. Denkschr. Ges. Jena viii, pp. 588 & 589, 
pi. xlvi, figg. 4-7, n. sp. 
Antennularia perrieri , from expedition of the “ Travailleur,” diagnosis, 
Billard, Bull. Mus. Paris 1901, p. 73, n. sp. 
Campanularia\ transformation and regeneration, Loeb, Amer. J. Physiol, 
iv, pp. 60-68, 5 figg. C. speciosa, pi. xviii, fig. 3, pi. xix, fig. 3, 
urceolata , pi. xviii, fig. 2, p. 172, Nutting, P. Washington Ac. iii. 
C. tridentata Ball, referred to Thyroscyphus , Hartlaub, p. 369, pi. xxi, 
fig. 14, pi. xxii, fig. 23, Zool. Jahrb. Syst. xiv. 
C. ritteri , pi. xvii, fig. 5, p. 171, reduplicata , pi. xviii, fig. 1, regia , pi. xix, 
figg. 1 & 2, p. 172, Alaska, Nutting, P. Washington Ac. iii; C. rugosa , 
Alaska, Nutting, t. c., p. 176, pi. xxii, figg. 1 & 2; C. minuta , p. 345, 
fig. 27, edwardsi , p. 346, fig. 28, Woods Holl, Nutting, Bull. U. S. 
Fish Comm, for 1899 : n. spp. 
Clytia caliculata, compressa, Nutting, P. Washington Ac. iii, p. 170, 
pi. xvii, figg. 1-4. 
C. grayi Woods Holl, Nutting, Bull. U. S. Fish Comm, for 1899, p. 344, 
fig. 23, n. sp. 
Codonium apiculum , British Columbia, characters, Murbach & Shearer, 
Ann. Nat. Hist. (7) ix, p. 72, n. sp. 
Cordylophora lacustris , development of gonophores, eggs and embryos, 
Morgenstern, Zeitschr. wiss. Zool. lxx, pp. 567-591, pis. xxv & xxvi. 
Corymorpha appellofi, Western Norway, Bonne vie, Meeresfauna Bergen i, 
p. 5, fig. 2, n. sp. 
Coryne brachiata, Alaska, Nutting, P. Washington Ac. iii, p. 165, pi. xiv, 
figg. 1 & 2, n. sp. 
t Cydactinia n. g. etrusca n. f. miocene, p. 137, capelliniana , p. 142, pi. i, 
figg. 22-24, pi. iii, figg. 17-21, paronai , p. 143, pi. i, figg. 19-21, pi. iii, 
figg. 9-16, Pliocene, Italy, Yinassa de Regny, Mem. Acc. Lincei (5) 
iii. 
Eucopella crenata , New Zealand, Hartlaub, Zool. Jahrb. Syst. xiv, p. 364, 
pi. xxii, figg. 27-31, 33-35, n. sp. 
Eudendrium vaginatum , Alaska, Nutting, P. Washington Ac. iii, pp. 167 
& 168, pi. xv, figg. 3-6. 
Garveia annulata , Alaska, Nutting, t. c., pp. 166 & 167, pi. xv, figg. 1 & 2, 
n. sp. 
Gonionemus agassizii , Aleutian Islands, characters, Murbach & Shearer, 
Ann. Nat. Hist. (7) ix, p. 73, n. sp. 
Gonothyrcea loveni , development, Wulfert, Zool. Anz. xxiv, p. 626. 
G. inornata , Alaska, Nutting, P. Washington Ac. iii, p. 175, pi. xx, figg. 
2-4, n. sp. 
Grammaria immersa , Alaska, Nutting, t. c., p. 178, pi. xxi, figg. 5 & 6, 
n. sp. 
Halecium ? delicatulum, Hartlaub, Zool. Jahrb. Syst. xiv, p. 368, pi. xxii, 
figg. 13 & 15. II. washingtoni n. n. for H. geniculatum , harrimani 
n. n. for H. robustum, Nutting, Amer. Natural, xxxv, p. 789. H. 
planum , Norway, Bonne vie, Meeresfauna Bergen i, p. 7, fig. 3; H. 
r ever sum , p. 180, pi. xxii, figg. 1 & 2, robustum , p. 182, pi. xxiii, figg. 3 
