Repoet of the State Geologist. 



17 



incidentally refer to a considerable number of new species of 

 Brachiopoda. The volumes of the Palaeontology are not acces- 

 sible to a large portion of students in Palaeontology, and Yolume 

 YIII, Part 2, has been published only in 100 copies. In order 

 to make the descriptions and figures more accessible, it has been 

 thought advisable to republish them in this report. 



These species to the number of 106 are here brought together, 

 with descriptions and illustrations. They are as follows : 



Lingula compta. 



X. scutella, 



L. flahellula. 



L. paracletus. 



X. tceniola. 



L. linguata. 



Lingidops Granti. 



3Ionomerella Greenei. 



M. Kingi. 



M. Ortoni. 



M. Egani. 



Hhinoholus Davidsoni. 



^iphonotreta {?) Minnesotensis. 



Orhiculoidea ovalis. 



0. numulus. 



O. Herzeri. 



LiadstroeriLella aspidium, 



Schizocrania Schucherti. 



S. {?) Helderhergia. 



Crania agariciwi, 



C pulchella. 



C. granosa. 



C. famncola. 



Craniella Ulrichi, 



Pholidops calceola. 



P. paiina. 



Orthis Panderiana. 



O. ? glypta. 



O.flabelliteSy var. spania. 



0. ? Holstoni. 



O. loricula. 



0. f Saffordi. 



0. arcuaria. 



O. superstes. 



0. Oweni. 



0. senecta. 



Orthostrophia dolomitica. 



Strophomena Conradi. 



S. WmchellL 



Orthothetes desideratus. 



Derhya ruginosa. 



D? costatula. 



D. Broadheadi. 



D. Bennetti. 



D. cymhula. 



D. affifds. 



D. ^f) hiloha. 



Streptorhynchus Ulrichi. 



Triplccia Ntagareiisis. 



Christiania suhquadrata. 



Leptaenisca adnascens. 



L. tangens. 



Chonostrophia Helderhergia. 



Strophalosia Rockfordensis. 



S. cymhula. 



Strophonella costatula. 



Plectamhonites producta, 



Spirifer crispatus. 



S. Canandaigum. 



S. mucrottatas, var. posterus. 



S. difijunctus, var. sulcifer. 



S. Willlamsi. 



S. Newherryi. 



Cyrtia radians. 



Cyrtina unihona.a, var. Alpenensis. 



C. lachrymosa. 



