14 Goel. 
XVI. CCELENTERATA. 
& 4, ornatum , pi. xxii, figg. 3 & 4, speciosum , figg. 1 & 2, p. 181, Alaska, 
Nutting, P. Washington Ac. iii : n. spp. 
Halicornaria ferlusi , Madagascar, Billard, Bull. Mus. Paris 1901, p. 121, 
n. sp. 
Hebella , cf. Lafoea. 
Hydra ; regeneration in the egg, embryo, and adult, Morgan, Amer. 
Natural, xxxv, pp. 949-973. H. viridis , regeneration experiments, 
King, Arch. Entwickmech. xiii, pp. 135-178, with tables and 31 figg. 
Spermatogenesis, Downing, Science xii, p. 228. Reactions to electric 
current, Pearl, Amer. J. Physiol, v, pp. 301-320, 9 figg. H. and 
surface-film, Scourfield, J. Quekett Club (2) viii, pp. 137-142, 
pi. viii. Characters of some Irish spp., Toppin, Irish 'Natural, x, 
pp. 155 & 156. H. fusca , distribution, Daday, Zichy Ergebn. ii, 
p. 386. 
\Hydr actinia saccoi n. f., p. 132, pi. i, figg. 8-15, n. var. longispina , n. var. 
bifida , Pliocene, Italy, characters, Yinassa de Regny, Mem. Acc. 
Lincei (5) iii. 
Hypantliea asymmetrica , New Zealand, Hartlaub, Zool. Jalirb. Syst. xiv, 
p. 366, pi. xxii, figg. 24-26. 
Lafoea , spp. referred to Hebella , Nutting, P. Washington Ac. iii, p. 175. 
L. gracillima Alder, p. 358, pi. xxi, figg. 1-3, Hartlaub, Zool. Jahrb. 
Syst. xiv. 
L. adJicerens, Alaska, Nutting, P. Washington Ac. iii, p. 178, pi. xxi, figg. 
3 & 4, n. sp. 
Limnocodium sowerbii , Lyons, nematocysts, spennatozoids, Vaney & 
Conte, Zool. Anz. xxiv, pp. 533 & 534, 1 fig. 
t Lorenzinia n. g. apenninica n. sp. in shale at Porretta, Gabelli, Bologna, 
1900. [Cf. Titles (44).] 
Lovenella grandis , Woods Holl, Nutting, Bull. U. S. Eish Comm, for 
1899, p. 354, fig. on p. 353, n. sp. 
Mesonema victoria , British Columbia, characters, Murbach & Shearer, 
Ann. Nat. Hist. (7) ix, p. 72, n. sp. 
t Neostroma n. g. for N. sumatraensis n. sp., Sumatra, mesozoic, characters 
and affinities, Tornquist, SB. Ak. Berlin 1901, pp. 1115-1123, 5 figg. 
Obelia flablellata, fission, Billard, C.R. Ac. Sci. cxxxiii, pp. 441-443. 
0. borealis , pi. xix, figg. 4 & 6, dubia , pi. xx, fig. 1, p. 174, Alaska, Nutting, 
P. Washington Ac. iii, n. spp. 
+ Oldhamia, characters and systematic position, Irish Natural, x, pp. 81 
-86. 
\ Par keria ; note on, Yinassa de Regny, Mem. Acc. Lincei (5) iii, p. 149. 
Perigonimus repens Calkins ?, Hartlaub, Zool. Jahrb. Syst. xiv, p. 357, 
pi. xxi, fig. 17. 
Plumularia buski , p. 374, pi. xxii, figg. 22, 32 & 36, Hartlaub, t. c. 
Polyorchis minuta , Puget Sound, characters, Murbach & Shearer, 
Ann. Nat. Hist. (7) ix, p. 72, n. sp. 
t Poractinia n. g. circumvestiens (= Alcyonidium Wood, and Hydractmia 
Wood) characters, p. 144, pi. i, fig. 25, pi. iii, figg. 22 & 23, Yinassa 
de Regny, Mem. Acc. Lincei (5) iii. 
Sei'tularella , notes on Pacific spp., Hartlaub, Zool. Jahrb. Syst. xiv, 
pp. 359-362, 370-373, pi. xxi. $., monograph, definition, history, 
synonymy and structure, S. tropica , monopleura , allmani, antarctica 
n. names, and the following n. spp., Hartlaub, Abh. Yer. Hamburg 
xvi, pt. 2, 143 pp., 6 pis., 56 text-figg. 
S. pluma , hab. ?, p. 26, pi. iv, figg. 1 & 2, S. modesta , pi. i, fig. 1, pi. ii, 
fig. 38, p. 42, jS. afiinis, pi. i, fig. 5, pi. ii, figg. 23 & 24, p. 43, S. fiexilis , 
pi. iii, fig. 2, pi. iv, fig. 28, p. 44, S. protecta , pi. vi, figg. 21-26, p. 79, 
S. pcessleri , pi. vi, figg. 3 & 19, p. 80, Antarctic, S. mediterranean 
Rovigno, pi. v, figg. 10, 11, 15 & 16, p. 86, structure, distribution, 
