NicKLKSANDiiAssi.EK.] CATALOGUE OF GENERA AND SrEClES. 205 



Chaetetes ?? microscopicus A^'inehell — Continued. 



1866. 01)s. A valid specieH, Itiit further investigation is needed to determine 

 generic ]>osition. 



Chtvtetos miniitiis fFanies. Sec Bythopora delieatula (Nicliolson). 

 Cha?tetes moiiiliforuiis Nicholson. See Heterotrypa ? moniliformis 



(Nicholson). 

 Chjetetes monticiilatus Hall. See Monotrypa nionticulata (Hall). 

 Chretetes muscatinensis White. Not a bryozoan. 



1876. Ch;etetes Mnscatinensis. White, Proc. Acad. Nat. Sci. Philadelpliia, p. 27, 

 Hamilton: Muscatine, Iowa. 



Chaetetes Newberryi Nicholson. See Aspidopora newberryi (Nichol- 

 son). 

 Chfetetes nodulosus Nicholson. See Callopora nodulosa (Nicholson), 

 Chaitetes 'i O'Nealli James. See Callopora onealli (James). 

 Chfetetes Ortoni Nicholson. See Atactoporella ortoni (Nicholson). 

 Chaetetes papillatus Nicholson (not McCoy). 



1874. Chfetetes papillatus Nicholson (not McCoy). Nicholson, Quar. Jour. 



Geol. Soc. London, XXX, p. 513, pi. xxix, 12-126. 



1875. Chsetetes papillatus (not McCoy). Nicholson, Pal. Ohio, II, p. 210. 

 Cincinnati: Cincinnati, Ohio. 



Obs. The form so referred can not be identified with certainty from 

 Nicholson's description and figures, but it was probably a species of Peti- 

 gopora, possibly the P. asperula Ulrich. 



Chaetetes pavonia Milne-Edwards and Haime. See Escharopora 



pavonia (D'Orbig-ny). 

 Chaetetes petechialis Nicholson. See Petigopora petechialis (Nichol- 

 son). 

 Chaetetes petropolitanus James (not Pander). 



1878. Cha'tetes petropolitanus. James, Paleontologist, No. 2, p. 11. 

 Cincinnati: Cincinnati, Ohio. 



Obs. The form so referred by James is probably Amplexopora peta- 

 siformis (Nicholson). 



Chjetetes petropolitanus Meek and Worthen (not Pander). 



1868. Chfetetes petropolitanus Pander (?). ]\Ieek and Worthen, Geol. Surv. 

 Illinois, III, p. 304, pi. ii, 8«, b. 

 Trenton: Scales Mound, Illinois. 



Obs. Further investigation is needed to determine what the form is which 

 Meek and Worthen referred as above. 



Chaetetes petropolitanus Nicholson (in part). See Mesotrypa whiteavesi 

 (Nicholson). 



Chfetetes petropolitanus of various authors (not Pander). 



Obs. A great variety of forms agreeing in having a discoid or hemispheric 

 shape and differing, often greatly, in internal structure, has been con- 

 fused under this name. Without an examination of the various speci- 

 mens, no synonymy can be given. 



Chsetetes ?? ponderosus Rominger. 



1892. Chsetetes ponderosus. Rominger, American Geologist, X, p. 58, pi. iii, 4-8. 

 Hamilton: Falls of the Ohio. 



