S KM. \KOSTUMK.K DEYMONEMA. 



603 



Genus DRYMONEMA Haeckel, 1880. 



Drymonema, HAH KH . iSSo, Sit, uni^lior. Jena. Ges.-ll. fur Med. un.l Naturw., Jahrp. iSSo. Feb. zo; 1880, Sysl. der Mrdurn, 

 p. 633; 1881, Report on I).,), i M.-dusx, Challenger Expedition, Zool., vol. 4, p. 124. Mi IIIR, F., 1883, Zool 

 Anzeigcr, Jahrg. 6, p. 220. 



The type species is Dr\>nr,n,-ni<i Jnlnintinn Haeckcl, 1880, of the Mediterranean. The 

 same species was renamed D. "victor in" liy Haeckel in 1881. I), gorgo is a closely related 

 form from the coast ot Brazil. 



C;I-:NI-:RIC CHAR AC 1 1 KS. 



Cyaneidae with 8 marginal sense-cumins. The tentacles an- nut grouped in separated 

 clusters, hut arise diffusely in a wide annulus from the subumbrella. The central stomach 

 gives rise to 16 radial pouches (8 ocular and 8 interocular) which branch dichotomously, hut 

 do not anastomose. No ring-canal. Marginal lappets numerous. Development unknown. 



I'll.. 384. Drymonema "victoria," after Haeckel. in Deep-sea Mc.lus.e of the Challenger Expedition. 



This genus is distinguished from ('.\<in,-n and l),\\ni',n,-n:,i hv the fact that its tentacles arise 

 not in 8 separate clusters, hut from a wide annular /.one in the subumbrella. Moreover, the 16 

 dichotomously branched radial-canals, numerous velar lappets, and the radial furrows of the 

 exumbrella are all distinctive of Drymonema. 



Drymonema dalmatina Haeckel. 



Drymonema dalmatina, HAH KM,, 1X80, S\ -I ..let Medusen, p. 641= /). -. icloria, 1 88 1, Report Deep-sea Medusa; Challenger Elpcd., 



Zool., vol. 4, p. 125, plates *,o, ;i. <!mi n I . lS'>>4. Arbeit. /.".'I. Inst. \\'ien. IM. ;. p. \)i. 

 Drymonema cordelio, AN rn-\. |S<)2, Jena. Zcitsch. fur Naturwissrn, Bd. 27, p. 339, taf. 9, fign. 1-3. 



Haeckel, 1880, had four small specimens of this medusa from the Dalmatian coast, 

 Mediterranean. They ranged from 120 to 160 mm. in width and had only 64 radial furrows 



