BY B. VON LENDENFELD, PH.D. 591 



185. LIMNOREA TRIEDRA. Peron et Leseur. 



This species was obtained in Bass' Straits and briefly noticed by 

 Peron (1). From Leseur's (2) drawing Haeckel (3) compiled a 

 diagnosis, and described it at Limnorea proboscidea. De Blain- 

 ville (4) and Milne Edwards (5) mention the Medusae under the 

 name Limnorea triedra. -De Lamarck (6) names to it as Dianaaa 



triedra. 



40. GENUS NEMOPSIS. A. Agassiz. 



The Medusas are Mai'gelidag with branched or composite mouth 

 styles, and with four perradial bunches of tentacles. Mouth small. 

 The mouth styles originate at the base of the (Esophagus separately. 

 The Gonads extend from the stomach edges to the Radial Canals. 

 Polyp colonies unknown. 



1S6. NEMOPSIS FAVON1A. Haeckel. 



This species was obtained at Arnheim's Land, and described by 

 Peron et Leseur (7) under the name Favonia octonema. De 

 Blainville (8), and L. Agassiz (9), mention it under the same name. 

 De Lamarck (10), names it Orythia octonema. Haeckel (11), places 

 it in the Genus Nemopsis. 



IV. SUB-FAMILY. CLADONEMIX.E. 

 CLADONEMID.E. Gegenbaur. 

 Anthoniedusse, with branched tentacles, with 4-8 simple or 

 branched Radial Canals, and four or four pair of Gastral Gonads. 



(1) Peron et Leseur. Tableau des Meduses, 1S09, p. 329. 



(2) Leseur. Precueil des Planches (inedites) des Meduses, Planche III., 

 fig 5. 



(3) E. Haeckel. Das System der Medusen, Seite S7- 



(4) De Blainville. Actinologie, p. 290. 



(5.) Milne Edwards. Cuvier regne animal illustr^, Zoophytes Planche 52, 

 fig. 1. 



(6) De Lamarck. Histoire Naturelle des animaux aus Vertebres, Tom 

 II , p. 505. 



(7) Peron et Leseur. Tableau des Meduses, 1S09, p. 32S. 



(8) De Blainville. Actinologie, 1834, p. 290. 



(9) L. Agassiz. Monograph of Acalephce, Contrib. Nat. Hist., U.S.A. 

 Vol. IV., p.' 135, 159. 



(10) De Lamarck. Hist. Nat. des animaux sans vertebres. Tom II., 

 p. 503. 



(11) E. Haeckel. Das System der Medusen. Seite 34. 



