REPORT ON THE DEEP-SEA MEDUSAE. 



141 



Survey of the Families of the System represented among the Deep-sea 

 Medusae of the Challenoer Expedition. 



Orders of the 

 Medusie. 



Order L 



ANTHOMEDDSiE 



(one species). 

 Order II. 



LEPTOMEDUSJ3 



(one species). 



Order III. 

 Tbachomedusj; 

 (three species). 



Order TV. 



Narcomedus^; 

 (four species). 



Order V. 



Stauromedds^; 

 (two species). 



Order VI. 



PEROMEDUSiE 



(two species). 

 Order VII. 



CuBOMEDUSiE 



(one species). 



Order VIII. 



DlSCOMEDUS^E 



(four species). 



Families of the 

 System not 

 Represented. 



Codonidre. 



Tiaridae. 



CladonenmLu. 



Thaumantidaj. 



Eucopidse. 



^Equorida3. 



Petasidse. 



Aglauridaj. 



Geryonidaj. 



SoLmaridoe. 



Pericolpidoe. 



Chirodropidaj. 



Linergidoe. 



Pelagidre. 



Flosculidre. 



TJlmarida3. 



Toreumida?. 



Pilemida?. 



Versuridee. 



Families of the System Represented. 



Margelidaj (PI. I.) 



I Cannotidse (PL II.) 



• Trachynemidaj (Pis. III. -VIII.) 



'Cvmanthida3(Pl. IX.) . 

 Peganthidaa (Pis. X.-XII.) . 

 ^ginida; (Pis. XIII., XIV.) . 



f Tesseridaj (PL XV.) 



\ Lucernaridfe (Pis. XVI., XVII.) 



Periphyllidaj, (Pis. XVIII. -XXV.) j 



Charybdeidaj (PL XXVI.) 



Ephyrida3 (Pis. XXVII. -XXIX.) 



Cyaneidse (Pis. XXX., XXXI.) 

 Crambessidre (PL XXXII.) 



/ 



Species Described. 



Tliamnostylus dinema, p. 2. 



Ptychogena pinnulata, p. 7. 



Peetyllis arctica, p. 11. 

 Pedis antarctica, p. 15. 

 Pectardhis asteroides, p. 20. 



Cunarcha teginoides, p. 24. 

 Polycopla forskalii, p. 31. 

 Pegantha pantheon, p. 37. 

 jEginura myosura, p. 41. 



Tesserantha connedens, p. 50. 

 Lucernaria lathypliylla, p. 54. 



Periphylla mirabilis, p. 64. 

 Periphema regina, p. 85. 



Cliarybdea murrayana, p. 93. 



Nauphaida challengeri, p. 103. 

 Atolla wyvillii, p. 113. 

 Drymonenia victoria, p. 125. 

 Leomira terminalis, p. 133. 



