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God. 7 
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131. — Stiasny, G. Zur Kenntnis der 
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Kjobenhavn 73 1922 pp. 499-511 8 figs. 
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medusen-Sammlung von Dr. Th. Mor- 
tensen nebst anderen Medusen aus dem 
Zooloigschen Museum der Universitat 
in Kopenhagen. Papers from Dr. Th. 
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1916. XIII. Videns. Medd. nat. For. 
Kjobenhavn 73 1922 pp. 513-555 
14 t.ff. 
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II.— SUBJECT INDEX. 
GENERAL AND MISCELLANEOUS. 
Classification. — Hydroida , Stecilow, 
121 ; Siphonophora, Moser, 85 ; llhizo- 
slomae, Stiasny, 128 ; Aciiniaria , 
Stephenson, 125 ; Octocoralla, Kuken- 
thal, 64. 
Keys. — German F. W. Hydrozoa, 
Schulze, 116 ; Plexaura, Moser, 89. 
Taxonomie importance of chemical 
condition of coral skeletons ; Nielsen, 
92. 
Affinity of Ctenophora Platyctenea 
to other orders of Ctenophora ; Komai, 
61a. 
Moser’s “ Urmeduse ” theory ; Moser 
86 . 
