TYPE SPECIMENS OF PALEOZOIC FOSSILS 



223 



Cyrtia cyrtiniformis Hall & Whitfield 



1314 7 A^i type Spirifera cyrtinaeformis Hall & Whit- 



field. 23d annual report of the New York state cabinet of 

 natural history. 1873. p. 238, pi. n,fig. 21-24. 



Cyrtia cyrtiniformis Hall & Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, pi. 25, fig. 26-28. 



Hamilton horizon Rockford la. 



R. P. Whitfield, coll. 1866 



13 1 5 ^^r 2 - hypotype Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 25, fig. 29. 



Hamilton horizon Rockford la. 



R. P. Whitfield, coll. 1866 



13 16 hypotype Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 25, fig. 30. 



Hamilton horizon Rockford la. 



R. P. Whitfield, coll. 1866 

 I3 ! 7 !3_7jl hypotype Hall & Clarke. Paleontology of New York. 

 1894. v. 8, pt 2, pi. 25, fig. 32. 

 Hamilton horizon Hackberry Grove near Rockford la. 



R. P. Whitfield, coll. 1866 

 Cyrtia triquetral Cyrtina triquetra 



cyrtina Davidson 

 Cyrtina acutirostris Shumard (sp.) 



1 318 ^j 8 ^ hvpotype Cyrtia acutirostris Shumard. Geo- 



logical report of Missouri. 1855. p. 204 



Cyrtina acutirostris Hall & Clarke. Pale- 

 ontology of New York. 1894. v. 8, pt 2, pi. 28, fig. 38. 

 Choteau limestone Pike county, Mo. 



1319 hypotype Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 28, fig. 39-42. 

 Choteau limestone Pike county, Mo. 



1320 vjLso hypotype Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 28, fig. 44. 



Choteau limestone Pike county, Mo. 



1321 TjLso hypotype Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 28, fig. 54. 



Choteau limestone Pike county, Mo. 



