CLASSIFICATION OF ACTINIARIA Sll 



ture and no filaments, and the other couple has no gonad, filament, or 

 well-developed muscle. The eight Edwardsia mesenteries have huge 

 circumscribed retractors of curious form, which seem to be tending to 

 shift off the mesenteries ; they also have gonads and filaments, 

 0. lindahli, Carp. 1871, p. 159. (See Fowler, 1894, p. 461.) 



This genus seems to he eligible for Marsupiferidae. As far 

 as I can understand the account of it, I take it that it has 

 a mesogloeal sphincter, and the rest fits in fairly well. It is 

 a queer form with a reduced number of macrocnemes ; cf. 

 Decaphellia and some Halcampas. 



8. Literature. 



This list is additional to that given in Part I, and the numbering 

 carries on from the end of the former list. References in Parts II and III 

 are to both lists taken as one whole. 



101. Agassiz, L. — " Lettre a M. Alexandre de Humboldt sur !e developpo- 



ment de la Rhodactinia Davisii", 'Comptes rendus de 1' Academic 

 des Sci.', 25, 1847, p. 677. 



102. Agassiz, Alexander A., and Elizabeth C. — ' Seaside Studies in Natural 



History', Boston, 1865. 



103. Boveri, Th. — "Das Genus Gyractis, eine radial-symmetrische 



Actinienform ", ' Zool. Jahrb.', Abth. Syst., vol. 7, p. 241. 1893. 



104. Carlgren, O. — "Protanthea simplex, n. gen., n. sp., eine eigen- 



tumliche Actinic, Vorl. Mitteilung ", ' Ofv. Kongl. Vet.-Akad. 

 Forh.', 1891, no. 2, p. 81. 



105. " tJber das Vorkommen von Brutraumen bei Aktinien ", ibid., 



1893, no, 4, p. 231. 



106. " Zur Kenntnis der Minyaden ", ibid., 1894, no. 1, p. 19. 



107. " Zur Mesenterienentwicklung der Aktinien ", ibid., 1897, 



no. 3, p. 159. 



108. " tJber abschniirbare Tentakel bei den Actiniarien ", ' Zool. 



Anzeiger ', Bd. xxii, no. 578, 1899, p. 39. 



109. — • — " Tafelerklarung der Actiniarien und Zoantharien ", ' Symbolae 



physicae seu Icones adhuc ineditae etc., von Hemprich u. Ehren- 

 berg, fol., Berolini, 1899. G. Reimer. Supplement, Zool. Phytozoa '. 



110. " Zur Kenntnis der stichodactylinen Actiniarien ", ' Ofv. Kongl. 



Vet.-Akad. Forh.', 1900, no. 2, p. 277. 



111. " Zur Mesenterienmuskulatur der Actiniarien ", ' Zool. An- 

 zeiger ', Bd. xxviii, no. 14/15, 1905, p. 510. 



112. Clubb, J. A. — " The mesenteries and oesophageal grooves of 

 NO. 262 Z 



