A revision of Ernst Haeckel's determinations of a collection of Medusae 1 67 



Mastigias papua { Lesson ). 

 1880, p. 623. 

 (191) China Sea, East Asia; Koch, 1872. 1 specimen. 

 This locality is mentioned in Haeckel's monograph, and the identification is 

 undoubtedly correct. 



No. 192 in the list is a fragment collected by Strandgaard, 4° S. 106^ E. Haeckel 

 denominated it " Rhizostomae fragmentum "". Stiasny (1922 a, p. 529) refers it to 

 Mastigias papua (Lesson). 



Cramborhiza flagellata Haeckel. 



1880, p. 646. 

 [Lychnorhiza luce ma Haeckel.] 

 (193) Cotinguiba, Brazil; Hygom. 1 specimen. 

 Haeckel mentions this specimen in his monograph as well as in the list as Cram- 

 borhiza flagellata, together with a specimen from Pernambuco. Mayer (1910, p. 673) 

 regards it as a young stage oi Lychnorhiza lucerna Haeckel, and Stiasny (1922 c, 

 p. 235) agrees with Mayer in this respect. An examination of the present specimen 

 does not contradict this view. It is in a fairly good condition, about 55 mm wide, 

 and immature. The oral arms are slightly longer than the radius of the umbrella; 

 some few filaments are present, and they are very short. Between two successive 

 radial canals there is usually only one centripetal canal issuing from the ring-canal, 

 but sometimes two, one of which is small. 



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