94 PALEONTOLOGY OF NEW YORK. 



Of Kdtorgina the following species have been described by American au- 

 thors: K. cingulata, Billings (/oc. f?7.) ; K. sculptilis, Meek {Iphidea?? sculpUlis, 

 Meek, referred to Kutorgina by Mr. Walcott*) ; K. pannula, White (Trematis? 

 pannulus. White, referred to Kutorgina by Mr. Walcottj) ; K. minutissima, 

 Hall and Whitfield ;i Mr. Walc'OTT§ makes this name a synonym for K. sculp- 

 tilis ; K. Prospedmsis, Walcott ;|1 K. Whitfieldi, Walcott ;1T K. Labradorica, 'QW- 

 Wngs** =^Obnlus Labradoricus, Billings, referred to Kutorgina by Mr. Walcott; 

 K. Latourensis, Matthew ;ff X. pterineoides,%X Matthew. 



In 1868, Davidson identified the species Obolella Phillipsi, Holl, from the 

 Lingula Flags and Lower Tremadoc, as K. cingulata, Billings, and in 1876, Lin- 

 NARSSON described from the Paradoxides beds of Sweden a similar form as K. 

 cingulata var. pusilla. 



All the representatives of this genus known are from primordial faunas. 



Genus SCHIZOPHOLIS, Waagen. 1885. 



188.5. 5'c/(izo;jAo?is, Waagen. Mem. Geol. Surv. Imlia. PaUeoiitologia ludii-a : Ser. xiii, Salt-Range 



Fossils, I. Prodnctus-limestone Fdssils ; iv (fas. y), Bi-achiopoda, p. 752. 



" The shells belonging to this genus are all of very small size. They con- 

 sist of two valves, of which one is imperforated and rather fiat, the other is 

 slightly elevated with a somewhat prominent marginal apex, below which is a 

 small triangular area slit open in the middle by a triangular fissure, which seems 

 to be sometimes a little widened at the top, forming a kind of foramen, placed 

 just at the extremity of the apex. 



" The .shell-surface is finely granular, and it seems as if it had borne spine- 

 like appendages as in Siphonotreta, but these are not preserved in any of the 

 specimens at my disposal. 



" Of the internal characters of the genus nothing is known to me, as there 

 are only three specimens available ; and as the rock, a black micaceous shale, 



* Palseontology Eureka District, p. 20. 



t Bulletin No. 30, U. S. Geological Survey, p. lOf). 



I U. S. Geolog-ieal Explor.ation Fortieth P.arallel. vol. iv, p. 207, pi. i, tigs. It, VI. 



§ Paleontology Eureka District, loc. cil. 



1 Palaeontology Eureka District, p. 19, pi. ix, tigs. 1 a, b. 



H Palaeontology Eureka Disti-ict, p. 18, pi. ix, tigs. 4, 4 a. 

 ** Palteozoic Fo.ssils, vol. i, p. (i. 



tt IlUistr.itions of tlie Fauna of the St. .John Group. No. :{, p. 42, pi. v, tigs. 18 a-c. 

 n Illustrations of the Fauna of the .'^t. John Group No. 3, p. 43, pi. v, fig. 19. 



