(mit Ausschluss der Siphonophora) für 1899—1900. 499 



Aglaophenia hellis n. sp. Thornely p. 456; Engineer Group 

 (British Guinea), coinpressa Bonnevie (1). 



Acanthocladium stvderi n. sp. Weltner p. 588 - 589, t. 46 f. 4 

 — 7; 1 Expl. von Thursday-Island und mehrere von der Gazelle- 

 Expedition 1875 bei Dirk Hartog in 90 m Tiefe erbeutet. 



Plumularia compacta n. sp. Tliornely p. 457, t. 44 f. 3; New 

 Caledonia. variahilis n. spec. Bonnevie (2); Eismeer, riihra n. spec. 

 spec. Bonnevie (2). 



Cryptolaria conferta Allm. trägt Gonosomen von der Form der 

 Coppinia Pictet et Bedot p. 17. 



Ectopleura mi7ierva n. sp. Mayer p. 31. pacijica n. sp. 

 Thornely p. 452, t. 44 f. 1— la. 



Hydranthea aastralis n. sp. Thornely p. 451; Blanche Bay, 

 down to 40 Faden. 



Lictorella flexilis n. sp. (p. 15). halecioides Allman var. an- 

 nellata n. var. (p. 17) Pictet et Bedot. 



Monopoma inUrversa n. sp, Pictet et Bedot p. 26. 

 b) Medusen. 



Nvtocertoides A. G. Mayer (2) p. 45. Diagnose: Cannotidae with 

 8 bifurcating, radial canals. 16 canals reach the circular vessel. 

 There are neither marginal sense organs nor cirri. Spezies: hra- 

 chiatum a. a. 0. p. 45, t. 18 f. 43—44. 0. 



Tetracannota A. G. Mayer (2) p. 46. Diagnose: closely 

 allied to Cannota and Berenice. It may be defined as having 16 

 radial canals, which in the adult become arranged in 4 groups, 

 each group consisting of 4 canals. Gonads 16 in number, and 

 situated upon the distal regions of the radial canals. An ento- 

 dermal pigment spot at the base of each tentacle. No otocysts. 

 Tentacles numerous. Spezies: collapsa a. a. 0. p. 46 — 47, t. 7, 8 

 f. 14—16. 



Laodicea neptuna A G. Mayer (2) p. 48, t. 20 f. 50 — 52. 



Tiaropsis punctata A. G. Mayer (2) p. 40, t. 22 f. 60—63. 



Eucopium parvigastrum A. G. Mayer (2) p. 52, t. 42 f. 140. 



Pseudodytia A. G. Mayer (2) p. 53. Diagnose: Eucopidae 

 with numerous simple tentacles (20 in this species). Otocysts alter- 

 nating with the equally numerous tentacles. 5 simple radial canals, 

 72*^ apart. 5 gonads situated upon the 5 radial canals. The 

 proboscis lacks a peduncle and is provided with 5 simple lips. 

 Spezies: pentata a. a. 0. p. 53, t. 12 f. 24 — 26, t. 15 f. 35 — 35a, 

 t. 39 f. 131—132. 



M^dtioralis A. G. Mayer (2) p. 54 — 55. Diagnose: Lepto- 

 medusae having a circular canal, and a single, simple chymiferous 

 canal which extends across the sub-umbrella. A number of separate 

 manubria are situated upon the chymiferous canal. Spezies: ovalis 

 a. a. 0. t. 39 f. 129—130. 



Eucheilota paradoccica A. G. Mayer (2) p. 56 — 57, t. 40 

 f. 134—136. 



32* 



