A revision of Ernst Haeckel's determinations of a collection of Medusae I 53 



Turris digitalis. 

 1879, p.61. 



(44) 59° 20' N. 15"^ 47' W., between Scotland and Iceland; Rink, 1852. 7 



specimens. 

 (47) 58-59° N., between Iceland and Greenland; Rink, 1852. 1 specimen. 

 (147) 59° 09' N. 16^ W., west of Scotland; Olrik, 1861. I specimen. 

 These specimens were re-examined by Hartlaub (191 3. p. 329) and Kramp (1926, 

 p. 94). They belong to Neoturris pHeata (Forskal). 



Catablema campanula. 



1879, p. 63, PI. IV, figs. 4, 5. 



[Catablema vesicarium (A. Agassiz).^ 



Haeckel described this as a " nova species? ", indicating that it might be identical 



with Medusa campanula Fabricius, 1780. The description was based on the following 



specimens, which are still in our collection: 



(43) Greenland; Zimmer, 1856. 2 specimens. 

 (144) Umanak, Greenland; Olrik, 1853. 7 specimens. 

 Haeckel also referred to a coloured sketch by H. P. C. Moller; the sketch is in 

 our museum, and it was drawn after a specimen taken near Frederikshaab in Green- 

 land in 1839; like the preserved specimens it undoubtedly belongs to C. vesicarium. 



Catablema vesicarium. 

 1879, p. 64. 

 In his book Haeckel only quotes the description of this species as given by A. 

 Agassiz (1865) and says nothing about a specimen, which is in the collection, labelled 

 by himself Catablema vesicarium : 



(45) Greenland; Moberg, 1857. 



Catablema eurystoma Haeckel. 

 1879, p. 64, PI. IV, figs. 6, 7. 

 The description of this species was based on specimens in the museum of Copen- 

 hagen and a coloured sketch by H. P. C. Moller, drawn at Qajartalik in Arsuk Fjord 

 in southern Greenland. The species is undoubtedly identical with C. vesicarium 

 (A. Agassiz), but the specimens are lost. They were taken in the following locality: 

 (146) 67^ 35' N. 54' 10' W., in South Stromfjord, Greenland; Olrik, 1866. 



Cytaeis nigritina Haeckel. 



1879, p. 74, PI. VI, figs. 2-5. 



[Cytaeis tetrastyla Eschscholtz." 



On a previous occasion (Kramp, 1953, p. 263) I have discussed the name o( this 



species. Haeckel applies the specific name tetrastyla only to the original form described 



by Eschscholtz, but refers the numerous specimens from the museum of Copenhagen 



to a new species,'c. nigritina. Mayer (1910, p. 133) tried to revive the name atlantica 



Steenstrup, 1837, but, as stated by me, this name was only found in Steenstrup's 



hand-written catalogue of the collection in our museum and was never published. 



