THE MYXOSPORiDIA, OR PSOROSPERMS OF FISHES. 283 
Fam. MYXIDIID& Gurley; 1893. 
(‘‘Myxidiées” (pars) Thélohan, 1892, Bull. Soc. philomat. Paris, tv, pp. 173, 175) ; 
Myzxidiide, Bull. U.S. Fish Com. for 1891, x1, pp. 412,420; Myxidiea [Thél. ] 
Braun, 1893, Centralbl. f. Bakt. u. Parasitenkde, xiv, p. 739; Myxidiide, 
Braun, 1894, Centralbl. f. Bakt. u. Parasitenkde, xv, p. 87. 
Definition (provisional as regards negative characters).—Phenocystes 
destitute of antero-posterior, but possessing bilateral symmetry; cap- 
Sules in 2 groups in the (right and left) wings; no bivalve shell; no 
vacuole; type (and only) genus Myaidiwm. 
IX. MYXIDIUM Biitschli, 1882. 
Etymology not given. 
Bronn’s Thier-Reich, I, pl. 38; 7b., Lankester, 1885, Encycl. Britan., 9 ed., xIx, 
p. 855; ib., Thélohan, 1892, Bull. Soc. philomat. Paris, 1v, p. 175; ib., Weltner, 
1892, Sitzgsber. Ges. Naturf. Freunde Berlin, p. 351; ib., Perrier, 1893, 
Traité de Zool., p. 460. 
Definition—Characters those of the family; type, MW. licberkiihnit. 
100. Myxidium lieberktihnii Biitschli, 1882. 
Esox 
lucius . 
; ; lieber- On, : itv: referenc 
‘ psoro- | ahnii. esocis. | Date Authority; reference. 
sperms 
ete., of. 
| — —|—_—— 
TY eater ares so owne 22 See 1854 | Lieberkiilhn, Miiller’s Archiv., pp. 5,6, 349-52, 
pl. 14. figs. 1-4. 
Se 2 Se are iee | Rea Sn ee So 1854 | Lieberkiin, Bull. Acad. Roy. Belg., XXI, pt. 
2, Pp. 23. 
IR Ss tee a eee ala i nma 1879 | Leuckart, Parasiten des Menschen, p. 246, 
fig. 98. 
SQM leona cee eecea sway sas 1880 | Gabriel, Jahres-Ber. schles. Gesellsch. f. vaterl. 
Cultur f.d. J. 1879, LVI, pp. 188-95. 
ORME MARE eta rctectaltte |Dawe cintste aiars'e 1881 | Bitschli, Ztschr. f. wiss. Zool., XXXV, pp. 
638-48, pl. 31, figs. 25-40. 
ial al | Oo RS Aen Sa 182 | Zoolog. Record for 1881, XVIII, Prot., pp. 34-35. 
{Wi hi-odhhinenl| 25 sAeoesenae 1882 | Biitschli, Bronn’s Thier-Reich, I, pp. 593-5, 
pl. 38, figs. 12-15. 
Reesaaseriealseesceaecees 1883 | Balbiani, Journ. de Microgr., VII, pp. 200-1, 
274-5, fig. 64. 
a alee wfsimiacai| ASE -afeteis = )515 1884 | Balbiani, Lécons sur les Sporozoaires, pp. 126, 
129-30, fig. 45. 
Miyssidinms|e- Se -eit= <2. 1885 | Lankester, Encyelop. Britan.,9 ed., XIX, p. 855, 
fig. xvii, 34. 
SOG Fale Sates ok. BSS Sere Rees ee 1886 | Leuckart, Parasites of Man, 2ed., p. 196, fig. 98. 
Psorosper-| 1837 | Koch, Encyklop. d. gesammt. Thierheilkde u. 
mium. Thierzucht, LV, p. 94, tig. 668, 1. 
SO” Wee esas Se Bee nae es aS 1888 | Pfeitfer, Zeitschr. f. Hygien. Leipzig, IV, p. 
409. 
=> SSS acoes ib Seer peepee 1890 | Thélohan, Annal. de Microgr. II, p. 198. 
Semen te sors ek ee ea i890 | Pfeitter, Archiv. f. pathol. Anat. u. Physiol., 
CXXIT, pp. 559-60. 
SE Sula a ee | ee 1890 | Pfeiffer, Die Protozoen als Krankheitserreger, 1 
ed., pp. 41-9, 55, 98, figs. 12, 18, 15, table, figs. 
SEE 
SMD tone ss PER. Fo be 25) Fe 1891 Pfeiffer, Die Protozoen als Krankheitserreger, 2 
ed., pp. 20, 91, 105, 127-33, figs. 52, 53, 55. 
MGye-aid thins eeeoeeneaee 1892 | Thélohan, Bull. Soc. philomat. Paris, IV, pp. 
166, 169, 175. 
MoWpaolhiena|OS seeencesee 1892 | Engler & Prantl, Die natiirlich. Panzenfamilien, 
Leipzig, Lfrg. 76, fig. 22. 
epee be smietars eye As acer ecie te 1893 | Perrier, Traité de Zool., pp. 459-60. 
x* epee Cees ReSmscaeernse 1893 Ohlmachex, Journ. Amer. Med. Assoc., XX, p. 
562. 
Niro lias. Seesecasa = 1893 | Gurley, Bull. U.S. Fish Com. for 1891, XI, pp. 
410, 420. 
IM bes aK bE ate ociso Se 1893 | Braun, Centrabl. f. Bakt, u. Parasitenkde, XIV, 
pp. 738-9. 
MEyexieiuims| ese ere ante 1894 | Braun, Centralbl. f. Bakt. u. Parasitenkde, XV, 
p. 87. 
Pls. 43-46; pl. 47, figs. 1-5. 
* Of air bladder; error. 
