CARBONIFEROUS SPECIES. 69 



Productus semireticulatus, Martin. 



riate 7, fig. 5. 



Anomites semireticulatm, Martiu (1709), Petref. Dcib., 7, tab. xxxii, fig.s. 1 and 2, aiul 

 tab. xxxiii, fig. 4. 



Anomites productus, ib., 9, tab. xxii, fig.s. 1, 2, and 3. 



Productm Scoticm, Sowerby (ISU), Min. Conch., I, LjS, tab. Ixix, fig. .■?. 



Productus Martini, Sowerby (1821), ib., IV, 1.5, pi. ;!17, tigs. L'-4.— De Koninck (1813), 

 An. Poss. Carb. Belg., I(i0, pi. vii, fig. 2.— Phillip.s (in part, 1830), Geol. Yoiks., 

 H, 213, pi. vii, fig. 2— McCoy (in part, 1844).— liiit. Pal. Foss., 407 and 471. 



Productus (xnti<iH(ttus, Sowerby (1821), Min. Conch., II, 15, pi. 317, fig.s. 1, i>, and 0. — 

 Phillil.s (part, 1830), II, 213, pi. \ i, fig. 2. 



Productus eoiiriiutKs, Sowerby (I82I), Min. Coucb., IV, 10, pi. 318, fig. 1. 



Productus puyills, Pliillips (1830), Geol. Yorks., 11, viii, fig. 0. 



Leptwna antiquata, Fi.sclier (1837), Oryc. du Gouv. do Mo.sc, 142, pi. 20, figs. 4 and ;>. 



Lcptiviui fiihulifcra, FiscUer, ib., pi. xxvi, fig. 1 (not Deshaye.s). 



Prodiirliis I lint, d'Orbigny (1844), Paleont. Am. Mcrid.,.51, pi. iv, figs. 1, 2, and 3. 



Productus jUxistriata, McCoy (1844), Synop. Carb. Foss. Ireland, pi. xvii, fig. 1. 



Productus semircticnkUm, De Koninck (1847), Monogr. Cliowetes et Prod., pi. %'iii, fig. 

 1, pi. ix, fig, 1, pi. X, fig. 1. — Davidson (1800), Monogr. Scottish Carb. Bracb., 

 pi. iv, figs. 1-5, 7, and 12 ; and of niiiuerous other authors. 



Tlie collection contains, from several l(_)calitie.s, specinion.s that .seem to 

 me to belong to the above-mentioned well-known and widely-distributed 

 •species. At least .so fur as their characters can be made out from the collec- 

 tions yet obtained for study, no reliable distinctions have been observed. 



LocaUfij and position. — Railroad Canon, Diamond Mountains; Fo.ssil 

 Hill, White Pine Mountain.s, Nevada. 



PRODUCTU.S COSTATUS, Sowerby ? ?, var. 



PL-ite 7, fig-s. 4 and 4 a, h. 



Productus co.sta.tHS, Sowerby (1827), Mineral Concli., VI, 115, pi. .500, fig. 1.— De Ver- 

 neuil (1845), Pateout. Russia and the Ural Mts., 208, pi. xv, figs. 13 a, b.— 

 De Koninck (1847), Mon. Prod., 92, pi. viii, fig. 3,» pi. x, fig. 3, and pi. xviii, 

 figs. 3 a, i>.— Davidson (1800), Mon. Scottish Brach., 44, pi. ii, figs. 22-24 ; 

 and of various other authors. 



Productm SHlcatuf, Sowerby (1822-, Mineral Conch., IV, 17, pi. 310, fig. 2. 



Producta costata {ct sulcata), Phillips (1830), Geol. Yorks., 213, pi. vii, fig. 2. 



Productus costclMtm, McCoy (1844), Synopsis Carb. Fos.s. lu'land, pi. xx, fig. 15. 



Productus Portlocki<ntu.s, Norwood and Pratten (1854), Jour. Acad. Nat. Sci. Philad., 

 Ill, 15, pi. 1, figs. 9«, b, c. 



* This figure of De Kon luck's was drawn from an Auieric^ui specimen found at 

 Saint Louis, Missouri. 



