SYNOPSIS OF THE EOTATOKIA. 17 



BALATRO ANGUIFORMIS Issel. 



Balatro angui/ormis Issel, Arch. Zool., Napoli, vol. 2, 1904, p. 2, pi. 1, figs. 1-5. 



BALATRO CALVUS Claparfide. 



Balatro calvus Claparede, Ann. Sci. Nat., Zool., ser. 5, vol. 8, 1867, p. 12, pi. 4, figs. 

 3,4. 



BEAUCHAMPIA, new genus. 



Type (monotype). — Beauchavipia crucigera {Duirochet)= Rotifer crucigere Dutrochet. 

 BEAUCHAMPIA CRUCIGERA (Dutrochet). 



Rotifer crucigere Dutrochet, Ann. Mus. Hist. Nat., vol. 19, 1S12, p. 385, pi. 18, figs. 



19-21. 

 Melicerta crucigera Goldfuss, Handb. Zool., 1820, p. 76. 

 Cephalosiphon limnias Gosse, Int. Obs., vol. 1, 1862, p. 49, text figs. 

 Melicerta cephalosiphon Gosse, Int. Obs., vol. 1, 1862, p. 490. 

 Cephalosiphon candidus Hudson, Hudson and Gosse, Rotifera, 1886, vol. 1, p. 79. 

 Cephalosiphon cruciger Hlava, Vifnici Cestf, Arch. Pfir. Prozk. Cech, vol. 13, No. 2, 



1904, p. 55, text fig. 

 Cephalosiphon cruciger candidus Hlava, Vifnici Cesti, Arch. Pfir. Prozk. Cech, vol. 13, 



No. 2, 1904, p. 56. 



It is, to say the least, somewhat remarkable, that this species 

 should be the subject of so many nomenclatorial changes, without 

 any one ever taking the trouble to look up the supposed original de- 

 scription by Ehrenberg. If this had been done, much annoyance 

 would have been avoided. No one at all acquainted with rotifers 

 could fail to recognize in this description the species described as 

 Limnias annulatus by Bailey, and by Weisse seven years earlier as 

 Limnias melicerta, with an excellent figure, in Bull, phys.-math. 

 Acad. Sci. St. Petersburg, vol. 6, 1848, p. 357, fig. 1-5; Ehrenberg 

 himself, in Monatsber. Akad. Wiss. Berlin, 1853, p. 529, acknowl- 

 edges the priority of Weisse's name, retaining his own generic name. 

 The passage is given in full below. 



21. Cephalosiphon Melicerta. Haec forma quae Cephalos. Limnias a me vocata erat 

 (vide Monatsber. 1853, p. 187) a Weissio Petropolitano illustre medico et ocu- 

 latissimo naturae investigatore prius Petropoli observata est eaque picta exstat 

 in Ephemeridibus: Bulletin de la Classe physico mathematique de I'Acad. des 

 sci. de St. Petersbourg. Tom. VI. No. 23. Anni 1847. Cum Vir illustris 

 nomen Limniades Melicertae dederit, meum serius datum nomen, Cephalosiphon 

 Limnias, servato a me dato generico novo nomine, in Cephalosiphonis Melicertae 

 nomen cum Synonymo petropolitano mutandum erit. Caeterum quae de stric- 

 tura penitiore dixi cognitionem animalculi, praeter novam geographicam ejus 

 conditionem, auxerunt. (Monatsber. 1853, p. 529.) 



As the species in question is without a generic name, I take pleasure 

 in naming it for Dr. P. de Beauchamp, to whom every student of the 

 Rotatoria must forever be in debt for his monumental Recherches 

 sur les Rotiferes. 



77478°— Bull. 81—13 2 



