40 
PALAEONTOLOGY OF NEW YORK. 
VI. Glabrati: 
1. Aseptati = Martinia, McCoy, 1844: 
S. Maia, Billings, 
S. subumbona. Hall, 
S. contractus. Meek and Worthen, 
S. glaber, Martin, 
2. Septati; 
a. Martiniopsis, Waagen, 1883 : 
[M. inflata, Waagen, 
[M. subpentagonalis, Waagen, 
h . (Mentzelia, Quenstedt, 1871): 
[S. corculum, Kutorga, 
\M. semiplana, Waagen, 
Corniferous limestone. 
Hamilton group. 
Chester limestone. 
Coal Measures. 
Carboniferous.] 
Carboniferous.] 
Permo-carboniferous.] 
Permo-carboniferous.] 
Genus ( ?) C Y R T I A , Dalman. 1828. 
PLATES XXV, XXVI, XXVIII, XXXIX, 
1821. Anomites, Wahlenbbrg. Nova Acta Regise Soc. Scientifica, vol. viii, No. 3. 
1828. Cyrtia, Dalman. Kongl. Vetenskaps Acad. Handlingar, p. 118, pi. 3, fig. 1. 
1828. Cyrtia, Hisingbr. Bidrag Sven. Geogn. Anteckn., vol. iv, p. 220, pi. iv, fig. 1. 
1837. JSpirifer, von Buck. Ueber Delthyris, oder Spirifer und Orthis, ji. 41. 
1837. Cyrtia, Hisingbr. Lethiea Suecica, p. 73, pi. xxi, figs. 1, 2. 
1841. Spirifera, Phillips. Palaeozoic Fossils Cornwall, Devon and West Somerset, p. 71, pi. xxix, 
fig. 124. 
1843. Spirifer, A. Robmbr. Versteinerungen des Harzgebirges, p. 12, jil. iv, fig. 11. 
1852. Spirifer, Hall. Palieontology of New York, vol. ii, ji. 66, pi. xxii, figs. 2 a-c,f. 
1853. Spirifer, Schnhr. Beschreib. Eifel. Brachiopoden, p. 207, pi. 36, figs. 1, 2. 
1855. Spirifer, Thb Sandbbrgbrs. Verstein. des rbein. Schicht.-Syst. in Nassau, p. 324, pi. xxxii, fig. 10. 
1861. Cyrtia, Billings. Canadian Journal, vol. vi, new ser., p. 262. 
1862. Cyrtia, Billings. Palieozoic Fossils, vol. i, p. 165. fig. 149. 
1864. Spirifm'a, Davidson. Monogr. Devon. Brack., p. 46, pi. vi, figs. 18-22. 
1867. Spirife^'a, Hall. Twentieth Rept. N. Y. State Cab. Nat. Hist., p. 372, pi. xiii, figs. 12, 13. 
1867. Spirifera, Hall. Palaeontology of New York, vol. iv, pp. 248, 263, pi. xliii, figs. 1-7. 
1871. Spirifer, Kavsbr. Zeitschr. der deutsch. geolog. Gesellsch., vol. xxiii, p. 579. 
1871. Spirifer, Qdbn.stbdt. Bi-achiopoden, p. 492, pi. liii, fig. 8. 
1872. Spirifera\{Cyrtia), Hall and Whitpibld. Twenty-fourth Rept. N. Y. State Mus. Nat. Hist., p. 183. 
1875. Cyrtia, Hall and Whitfield. Twenty-seventh Rept. N. Y. State Mus. Nat. History, pi. ix, 
figs. 22, 23. 
1879. Cyrtia, Nettelroth. Kentucky Fossil Shells, pii. 93, 94, pi. xxvii, fig. 21; pi. xxxiv, fig. 35; 
pi. xxxvi, figs. 60, 61. 
When this name was introduced it was designed to embrace such spiriferoids 
as have a high, vertical cardinal area and a semi-pyramidal contour. In 
