CARBONIFEROUS SPECIES. 69 



Productus semireticulatus, Martin. 



Plate 7, fig. 5. 



Anomites semireticulatus, Martin (1709), Petref. Derb., 7, tab. xxxii, figs. 1 and 2, and 



tab. xxxiii, fig. 4. 

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

 Productus Scoticus, Sowerby (1814), Min. Conch., I, 158, tab. Ixix, fig. 3. 

 Productus Martini, Sowerby (1821), ib., IV, 15, pi 317, figs. 2-4.— De Koninck (1843), 



An. Foss. Carb. Belg., 160, pi. vii, fig. 2.— Phillips (in part, 1836), Geol. Yorks., 



II, 213, pi. vii, fig. 2.— McCoy (in part, 1844).— Brit. Pal. Foss., 467 and 471. 

 Productus antiquatus, Sowerby (1821), Min. Conch., II, 15, pi. 317, figs. 1, 5, and 6. — 



Phillips (part, 1836), II, 213, pi. vi, fig. 2. 



Productus coneinnus, Sowerby (1821), Min. Conch., IV, 16, pi. 318, fig. 1. 



Productus pugilis, Phillips (1836), Geol. Yorks., II, viii, fig. 6. 



Lepiccna antiquata, Fischer (1837), Oryc. du Gouv. de Mosc, 142, pi. 26, figs. 4 and 5, 



Leptoina tubulifera, Fischer, ib., pi. xxvi, fig. 1 (not Deshayes). 



Productus Inca, d'Orbigny (1844), Paleont. Am. Merid.,61, pi. iv, figs. 1, 2, and 3. 



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



Productus semireticukUus, De Koninck (1847), Monogr. Chouetes et Prod., pi. viii, fig. 

 1, pi. ix, fig. 1, pi. X, fig. 1. — Davidson (1860), Monogr. Scottish Carb. Brach., 

 pi. iv, figs. 1-5, 7, and 12 j and of uumerous other authors. 



The collection contains, from several localities, specimens that seem to 

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

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

 tions yet obtained for stud}^, no reliable distinctions have been observed. 



Locality and position, — Railroad Canon, Diamond Mountahis ; Fossil 

 Hill, White Pine Mountains, Nevada. 



Productus costatus, Sowerby I !, var, 



Plate 7, figs. 4 aud 4 a, &. 



Productus costatus, Sowerby (1827), Mineral Conch., VI, 115, pi. 560, fig. 1.— De Ver- 

 neuil (1845), Palaiont. Russia and the Ural Mts., 268, 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, &.— Davidson (1860), Mon. Scottish Brach., 44, pi. ii, figs. 22-24 ; 

 and of various other authors. 



Productus sulcatus, Sowerby (1822), Mineral Conch., IV, 17, pi, 310, fig. 2. . 



Producta costafa {et sulcata), Phillips (1836), Geol. Yorks., 213, pi. vii, fig. 2. 



Productus costellatus, McCoy (1844), Synopsis Carb. Foss. Ireland, pi. xx, fig. 15. 



Productus Portlockianus, Norwood and Pratten (1854), Jour. Acad. Xat. Sci. Philad., 



III, 15, pi. 1, figs. 9 a, b, c. 



* This figure of De Koniuck's was drawn from an American specimen found at 

 Saint Louis, Missouri. 



