17 God. 
Systematic. — Hydrozoa. 
0831 
21, (703-726, mit 1 Taf.); II. /., Knos- 
pung u. Geschlechtsentwickelung, IIert- 
wig, Biol. Centralbl., 26, (489-508).— 
Audi in : Festschr. fur J. Rosenthal, 
T1 1. Leipzig, 1906, (11-32). 
[Hydractinia clavata sp. n., Jaderiiolm, 
Wiss. Ergebn. Schwed. SiidPol.-Expedn., 
1901-1903, Stockholm, 5, viii, (5, pi. iii, 
figs. 6-8).] 
Isonema nom. nov. for Tiomoeonema 
Vanli. (4-5) ; amplum, (5-9, pi. i, figs. 
1, 2, and 7, pi. ii, figs. 8-12, pi. iii, figs. 
14-20) ; Maas, Res. voy. Belgica, 1906. 
Limnocnida tanganicae, reproduction, 
taxonomy, Browne, Ann. Mag. Nat. 
Hist., (Ser. 7), 17, (305, 306).— L. t., 
asexual reproduction; Gunther, (179), 
London, Proc. Zool. Soe., 1906. — L. t., 
Potts, Q. J. Microsc. Sci., 50, (623, 
pi. xxxv, fig. 12, after Moore). 
Limnocodium compared with Micro- 
hydra, Browne, Q. J. Microsc. Sci., 50, 
(638). — Tj. sowerbii , medusa and liydroid, 
Potts, (623, pi. xxxv, figs. 1-11), after 
various authors, Q. J. Microsc. Sci., 50. 
Microliydra rydcri, general structure, 
(636) ; compared with Limnocodium, 
(638) ; reproduction, (641) ; Browne, 
Q. J. Microsc. Sci., 50, pi. xxxvii. — M. r., 
medusa, Potts, Q. J. Microsc. Sci., 50, 
(623, pi. xxxvi). 
.f Milleporella gen. n. for sardoa sp. 
n. (or ichnusae ? — vide fig. explan.) 
“ Senonian,” Sardinia, Deninger, N. 
Jahrb. Min., 1906, 7, (67, pi. vii, fig. 8). 
Muggiaea atlantica, migrations and 
distribution in British coasts; Gough, 
Cons. Permanent Internat. Explor. de 
la mer. Publ. de Circonstance, No. 29, 
(13). 
Perigonimus sul fureus Chun, as a 
pelagic Ily droid colony, Steoiie, Zool. 
Anz., 31, (31-32). 
Plumularia attenuata var. nov. media, 
P. bonnevie nom nov. (pro. P. rubra 
Bonnevie, preocc.), Billard, Bui. Museum, 
Paris, 12, (332). 
Polyorchis penicillata, galvanotropic 
reactions, Bancroft, Berkeley, Univ. 
Cal. Pub., Physiol., 2, (43-46), and J. 
Exp. Zool., Baltimore, Md., 1, (73-94). 
(lihegmatodes tenuis, notes on varia- 
tions in, Hargitt, Biol. Bull., 9, (368- 
377).) 
(n-9720 i) 
Schizocladium ramosum, asexual re- 
production ; medusae belong to Obelia, 
Browne, Q. J. Microsc. Sci., 50, (645). 
[Sertularella biformis, (28, pi. xi, 
figs. 1-3). — S. cumberlandica, (27, pi. x, 
figs. 8-11), spp. n., Antarctic; Jader- 
holm, Wiss. Ergebn. Schwed. SiidPol.- 
Expedn., 1901-1903, 5, viii.] — S. gayi 
var. n. elongata, Billard, Bui. Museum, 
Paris, 12, (331). 
Siphonophora, account of, Vaniioffen, 
Nordisches Plankton, Lfg 5, 1906, (xi 
9-xi 39). 
Solmaris insculpta sp. n. Hawaiian 
Is., Mayer, Washington, D.C., Bull. U. S. 
Fish. Com., 23, (1140, pi. iii, figs. 8, 9). 
Solmundella mediterranea, Maas, (12- 
13, Taf. i, fig. 5, taf. iii, figs. 23, 24), 
Res. voy. Belgica, 1906. 
Tiarella gen. n., ( Tiaridae ) partheno- 
pea sp. n. Golfo di Napoli, Trinoi, Mon. 
zool. ital., 17, (208-213). 
Trichorhiza gen. n. (Pennariidae) for 
T. brunnea sp. n. Firth of Clyde ; 
hydroid, medusoid, Russell, London, 
Proc. Zool. Soc., 1906, (99, pi. v). 
Tubularia, regeneration and polarity, 
Morgan, J. Exp. Zool., 1, (587-591), 
also Morgan and Stevens, J. Exp. 
Zool., 1, (559-585). — T. solitaria sp. n. 
Natal coast, Warren, Natal Govt. Mus. 
Ann., 1, (83-96, pis. x, xi). — T. crocea, 
reactions, Pearse, Cambridge, Mass., 
Cont. Mus. Comp. Zool., Harvard Coll., 
No. 178 in Amer. Nat., Boston, Mass., 
40, (401-407, with text fig.). 
f Stromatoporidae. (Allied to Hydrozoa.) 
t Actinostroma astroites, Siemiradzki, 
Wien, Beitr. Pal. Geol. OestUng., 19. 
■\Labechia conferta E. H., Siemiradzki, 
T.c. 
1 \Stromatopora tornquisti sp. n. 
Bathonian, Sardinia, Deninger, N. Jahrb. 
Min., 1906, i, (66, pi. vii, fig. 7).— S. 
typica v. Rosen, Siemiradzki, Wien, 
Beitr. Pal. Geol. OestUng., 19. 
Stromatorhiza gen. n. granulosa sp. n. 
Swiss Jura., Bakalow, N. Jahrb. Min 
1906, i,( 13-15, 4, Taf.). 
b 6 
