222 REPORT ON NATIONAL MUSEUM, 1886. 



Specimens. 



Spirifera earner ata, Martin 2 



octoplicata, Sowerby 2 



sp. ? 1 



Retzia radialis, Phillips 2 



Athyris subtilita, Hall 1 



Tellinomya protensa, Hall 



Cypricardia oecidenlalis, Hall 



Allorisma tcrminalis, Hall 



Aviwlal curta, Hall 



Pleurotomaria cormila, Hall 



Euomphalus subplanus, Hall 



Strcptorhynch us crcnistria, Phillips 



Avicidopecten 



Fifteen genera, 20 species, and 59 specimens. 



This is the Paleozoic portion of the collection studied by Prof. James 

 Hall aiid reported upon in Stausbury's Expedition to the Great Salt 

 Lake, 1852 : 



Ace. No. 



17366. Collection of the Fortieth Parallel Survey : 



Carboniferous fossils : Specimens. 



Arehaocidaris 3 



Criuoidal columns (four localities) 4 



Spongice ? ? (two localities) 2 



Zaphrentis stansburyi, Hall 1 



Syringopora 1 



Fusilina eylindrica, Fischer (three localities) 6 



FenesteUa (two localities) 3 



Bryozoans 1 



Diseina 4 



Chcetetes 2 



Chonetcs 1 1 



granulifera 2 



granulifcra, Owen 1 



Productus cora, D'Orb. (ten localities) 55 



nevadensis, Meek ? (three localities) 12 



(seven localities) 17 



subaculeatus, Murch 2 



multistriatus, Meek (three localities) 12 



longispinus, Sowerby 5 



punctatus, Martin (two localities) 3 



costatus, Sowerby (two localities) 7 



costatus var 11 



subliorridus, Meek (four localities) 23 



Orthis michelini, var. nevadensis, Meek 1 



Streptorhynchus crenistria, Phillips 3 



Spirifera (two localities) 2 



Retzia radialis, Phillips 10 



Athyris subtilita, Hall (two localities) 4 



Athyris? 1 



Rhynchonella uta. Marcou 8 



Dentalium (two localities) 8 



