19 God. 
Systematic.- 
Hydrozoa. 
0831 
Mecradia gen. n. Modeeria pro parte, 
for one type of Turritopsis-Yike Medusae ; 
Brooks & Rittenhouse Boston Mass. 
Proc. Soc. Nat. Hist. 33 p. 437. 
Narcomedusae ; classified as Dio- 
clieteumena or Adiocheteumena ; Van- 
iioffen, Zool. Anz. 32 pp. 175-170. 
Nudiclava gen. n. monocanthi sp. n., 
Indian Ocean, parasitic on fish ; Lloyd 
R ec. Ind. Mus. Calcutta 1 1907 pp. 281- 
289 2 pis. 
Obelia striata sp. n. eastern tropical 
Pacific ; Clarke Cambridge Mass. Mem. 
Mus. Harvard 35 p. 9 pis. vi & vii. — (0. 
dichotoma, regeneration ; Billard Paris 
C. R. soc. biol. 58 pp. 1018-1050.) 
Paraicrhjhtia gen. n., allied to 
Wrightia and Perigonimus, robusta sp. n. 
Natal coast ; Warren Ann. Natal Govt. 
Mus. 1 pp. 187-208 pis. xxxiii & xxxiv. 
( Parvanemus degeneratus Mayer, 
Bahamas ; Mayer Brooklyn Mus. Inst. 
Arts. Sci. 1 pp. 6-11 pi.) 
Pennaria pacifica sp. n. eastern 
tropical Pacific ; Clarke Cambridge 
Mass. Mem. Mus. Harvard 35 p. 6 pi. i. 
Plumularia attenuata Allman var. n. 
■media p. 200, P. bonnevieae nom. n. 
( = rubra Bonnevie 1899) p. 203; Billard 
Uydroides Exp. Sci. Travaillcur 1906 . — 
P. conspecta sp. n. Madagascar ; Billard 
Arch. zool. 6 Notes et Revue p. lxxxi f. 3. 
— P. hertwigi sp. n. Japan ; Steoiiow 
Zool. Anz. 32 p. 195. — P. heurteli sp. n. 
p. 360 f. 9, P. conspecta Billard p. 362 
f. 11 ; Billard Arch. zool. Exp. 7. — 
P. magellaniea p. 540 pi. iii f. 1, uni- 
lateralis sp. n. p. 541 pi. ii f. 1, 
Antarctic region ; Ritciiie Edinburgh 
Trans. R. Soc. 45. — P. obliqua, gono- 
phores described ; Motz-Kossowska 
Arch. zool. Notes et Revue pp. cxiv-cxvi 
figs. 1 & 2. 
Proboscidactyla jlavicirrata var. n. 
stolonifera, Ainboine ; Maas Rev. Suisse 
Zool. 14 p. 89. 
Ptycliogena antarctica sp. n. Victoria 
Land ; Browne Ann. Mag. Nat. Hist. 20 
p. 474. 
Purena gen. n. for Sarsia strangulata 
Alim. p. 55 figs. 51-53, P. (S.) gemmifera 
(Forbes) p. 58 figs. 55-58; Hartlaub 
N ord. Plankton 6 xii. 
Sarsia litorea sp. n. Nordsee ; Hart- 
laub T.c. p. 32 figs. 23 & 24. 
Sarsiella gen. n. (= Dinema Haeckel 
1879) p. 66, dinema nom. n. ( = slabberi 
Haeckel) p. 67, Europaische Meere ; 
Hartlaub Nord. Plankton 6 xii. 
Schizotricha turqueti sp. n. Antarctic 
Sea ; Billard Exp. antarctique franc?. 
1907 p. 15, f. 5. 
Sertularella dubia sp. n. ; Billard 
Arch. zool. 7 344 pi. xxv f. 1 text-fig. 3. 
— $. filiformis var. reticulata var. n., 
p. 535, S. rectitheca sp. n. p. 536 pi. i 
f. 5 Antarctic region ; Ritchie Edin- 
burgh Trans. R. Soc. 45. — S. gayi 
Lamouroux var. n. elongata ; Billard 
Hydroides Exp. Sci. Travailleur 1906 
p. 185. — S. pellucida sp. n. Spitzbergen ; 
Jaderiioi.m Zool. Anz. 32 p. 374. — S. 
revtoni sp. n. Queensclifl S. Austral. ; 
Bartlett Geelong Naturalist, ser. 2, 3 
p. 43 1 fig. — S. speciosa sp. n. Bermuda ; 
Congdon Boston Proc. Amer. Acad. 42 
p. 476 figs. 24-28. 
Scrtularia humilis sp. n. Bermuda ; 
Congdon T.c. p. 479 figs. 29-32. — S. 
operculata, gonophores described ; Motz- 
Kossowska Arch. Zool. exp. 7 Notes et 
Revue pp. cxvi-cxviii f. 3. 
Siphonophora : — Die Genitalanlagen 
der Rhizophysalien (Rhizophysa und 
Pliysalia ) ; Steche Zs. vviss. Zool. 86 
pp. 134-171, pis. ix-xi, 3 text-figs. — 
Entwicklung der Gonophoren einiger 
Siphonophoren ( Rhizophysa , Pliysalia, 
llippopodius) ; Richter Zs. wiss. Zool. 
86 pp. 557-618 pis. xxvii-xxix. — Selbst- 
verstiimmelung der Siphonopnoren ; 
Schaeppi Winterthur Mitt. Nat. Ges. 6 
pp. 145-170 1 fig. 
Solanderidae spp. incert., occurrence 
in Japan ; Doflein Verb. Deutscli. Zool. 
Ges. 16 p. 259. 
i Solmundella mediterranea, existence 
of mesoderm in the larval development ; 
Davidoff Zool. Anz. 31 pp. 119-124 
6 figs. 
'\Sphaeractinia rothpletzi sp. n. Trias ; 
Leuciis Innsbruck Ztschr. Ferd. 51 p. 78 
pi. i figs. 1-3. 
Stauropliora falklandica sp. n. ; 
Browne Ann. Mag. Nat. Hist. 20 p. 472. 
Staiirotheca reticulata sp. n. Antarctic 
region ; Ritchie Edinburgh Trans. R. 
Soc. 45 p. 538 pi. i f. 1. 
Stenoscyphus (?) hexaradiatus sp. n. 
Arktisch Broch Rep. Sec. Norwog. 
