94 PALEONTOLOGY OF NEW YORK. 



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

 thors : K. cingulata, Billings {loc. at.) ; K. sculptilis, Meek {Iphidea ? ? sculptilis. 

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

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

 Hall and Whitfield ;J: Mr. Walcott§ makes this name a synonym for K. sculp- 

 tilis ; K. Prospectmsis, Walcott ;|| K. Whitfieldi, Walcott ;T1' K. Lahradorica, Bil- 

 \mgs**-^Obolus Labradoricus, Billings, referred to Kutorgina by Mr. Walcott; 

 K. Latourensis, Matthew ;tf K. pterineoides,^^ 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. 



1885. SdMzopJioUs, Waagen. Mem. Geol. Sui'V. India. Palseontolog-ia Indioa ; Sei-. xiii, Salt-Range 



Fossils, 1. P)-odactus-limestone Fdssils ; iv (fas. 5), Brachiopoda, 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 flat, 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, 



* Palffiontology Eureka District, p. 20. 



t Bulletin No. 30, U. S. Geological Survey, p. 105. 



X U. S. Geological Exploration Foi-tieth Parallel, vol. iv, p. 207, pi. i, figs. 11, 12. 



§ Palfeontology Eureka District, loc. cit. 



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



^Paleontology Eureka District, p. IS, pi. ix, figs. 4, 4 a. 

 ** Palffiozoic Fossils, vol. i, p. 6. 



tt Illustrations of the Fauna of the St. John Group, No. U, p. 42, pi. v, figs. IS a-c. 

 II Illustrations of the Fauna of the St. John Group No. 3, p. 43, pi. v, fig. 19. 



