HYDR0MEDUS7E. 
Ccel 17 
Dipurella n. g. for D. clavata, n. sp., Woods Holl ( Codonidce ), Hargitt, 
Biol. Bull, iv, pp. 18-20, fig. 6. 
Dysmorphosa tenuis , Falkland Islands ( Margelidce ), Browne, Ann. Nat. 
Hist. (7) ix, p. 277, n. sp. 
Eleutheria vallentini, Falkland Islands ( Claclonemidce ), Browne, t. c. 
p. 279, n. sp. 
Epentkesis rangirooe , Paumotus Islands, p. 145, pi. i, fig. 4, Agassiz & 
Mayer, Mem. Mus. Harvard xxvi, n. sp. 
Erscea appendicidata , characters, Agassiz & Mayer, t. c. p. 161, pi. ix, 
fig. 40. 
E. angustata , Tropical Pacific, p. 163, pi. x, fig. 41, Agassiz & Mayer, 
t. c. n. sp. 
Eudendrium , regeneration, Peebles, Arch. Entwickmech. xiv, pp. 55-63, 
text-figg. 
E. californicum , North American Pacific Coast, characters, Torrey, Univ. 
Calif. Publ. i, p. 32, pi. ii, figg. 13 & 14, n. sp. 
Geryones mexicana , Mexican Coast, p. 149, pi. iv, fig. 17, Agassiz & 
Mayer, Mem. Mus. Harvard xxvi, n. sp. 
Gonionema , regeneration in the marginal organs, manubrium, and radial 
canals of the medusie, Hargitt, Biol. Bull, iv, pp. 1-12, 11 text-figg. G. 
degeneration phenomena in the larvae, Perkins, Biol. Bull, iii, pp. 172- 
180, 7 text-figg. G. murbackii , nervous system, Hyde, Biol. Bull, iv, 
pp. 40-45, 3 text-figg. G. murbackii , physiology of central nervous 
system, Yerkes, Amer. J. Physiol, vii, pp. 181-198. G. murbackii , 
sensory reactions, Yerkes, op. cit. vi, pp. 434-449. G. murbackii , 
budding of larvae, Perkins, Johns Hopkins Univ. Circ. xxi, pp. 87-89, 
10 figg. G. murbackii , development, Duerden, P. Ac. Philad. liv, 
pp. 750-790, pis. xxxi-xxxiv. 
Gonotkyrcea loveni , development and histology, Wulfert, Zeitsclir. wiss. 
Zool. lxxi, pp. 296-327, pis. xvi-xviii. G. clarlci n. n. for G. kyalina 
Clark, Torrey, Univ. Calif. Publ. i, p. 55. 
Halecium nuttingi n. n. for H. genicidatum Nutting, Torrey, t. c. p. 50. 
H. annulatum , p. 49, pi. iii, figg. 30 & 31, II. hofoidi , figg. 32 & 33, Cali¬ 
fornia, characters, Torrey, t. c. n. spp. 
Halicornaria producta , figure and characters, Torrey, t. c. p. 75, pi. x, 
fig. 95. 
Halistemma sp. parasitised by Flaqellata, Poche, Arb. Inst. Wien xiv. 
No. 3, pp. 1-52, 1 pi. 
Hippocrene macloviana , Falkland Islands ( Margelidce ), characters, Browne, 
Ann. Nat. Hist. (7) ix, p. 278. 
Hydra ; ingestion and digestion, Downing, Science xv, p. 523. H. fusca , 
histology, Schneider, Lehrbuch vergleich. Hist. Jena 1902, pp. 572- 
581, text-figg. 479-483. H. fusca , //. viridis , experiments in grafting, 
Hefferan, Science xv, p. 467. H. viridis , grafting experiments, 
Hefferan, Arch. Entwickmech. xiii, pp. 565-587, pis. xxiii-xxv, text- 
figg. H. viridis , histological changes during regeneration, Rowley, 
Amer. Natural, xxxvi, pp. 579-583. 
H. corala , Montana, structure, Elrod & Ricker, Tr. Amer. micr. Soc. 
xxiii, pp. 257 & 258. 
Hydractinia', regeneration, Hazen, Amer. Natural, xxxvi, pp. 193-200, 
6 text-figg. 
H. milleri , North America, Pacific coast, Torrey, Univ. Calif. Publ. i, 
p. 34, pi. ii, figg. 15-20, n. sp. 
Laodice pulchra , Falkland Islands ( Thaumantidce ), Browne, Ann. Nat. 
Hist. (7) ix, p. 280, n. sp. 
Lictorella halecioides Allman, var. annellata , n. var., Gulf of Gascony, 
Studer, Resultats Monaco xx, p. 17, pi. iii, fig. 6. 
L. Jlexilis, Azores, Stfder, t. c. p. 15, pi. iii, figg. 1-3. 
1902. [VOL. XXXIX.] F 2 
