THE MYX08P0EIDIA, OR PSOROSPERMS OF FISHES. 



283 



Fam. MYXIDIIDyE Gurley, 1893. 



(":Nryxidi.-os" (i)ars) Thololian, 1892, Bull. Soc. philomat. Paris, iv, pp. 173, 175) ; 

 Myxidiido', Bull. U. S. Fish Com. for 1891, xi, pp. 412, 420; ilyxidiea [Thol.] 

 Brann, 1893, Ceutralbl. f. Bakt. n. Parasitenkde, xiv, p. 739; Myxidiida; 

 Braun, 1894, Ceiitralhl. f. Bakt. u. Parasiteukde, xa', p. 87. 

 Dejinition (provisional as rejiards negative character.^). — PJuvnocystes 

 destitute of antero-postoiior, but possessing bilateral symmetry; cap- 

 sules in 2 groups in the (right and left) wings; no bivalve shell; no 

 vacuole; type (and only) genus Myxiditim. 



IX. MYXIDIUAI Biitsclili, 1882. 

 Etymology not given. 



Bronn's Tliiei-Reicli, I, pi. 38; ih., Laiikester, 188."'), Encycl. Britan., 9 eel., xix, 

 p. 855 ; i&.,Tb^lobau, 1892, Bull. Soc. philomat. Paris, iv, p. 175; ?7>.,Weltner, 

 1892, Sitzgsber. Ges. Naturf. Freunde Berlin, p. 351; ib., Perrier, 1893, 

 Traitc de Zool., p. 460. 



J>e/f?/y7/o«.— Characters those of the family; type, M. Jicheykuhnii. 

 100. Myxidiiim lieberkiihnii Biitschli, 1S82. Pis. 43-46; pi. 47, figs. 1-5. 



* Of air bladder; error. 



