Prod. 



746 



Prodryas persephone, Scudder. A butterfly from the 



Olig ocene tertiary heds of 

 Florissant, Colorado, admira- 

 bly preserved in the old lake 

 mud, as shown by Zittel's fig- 

 ure 1092 {natural size), 

 Handbuch derPalasontologie. 



;2iM-el r ^""^ .1092 — Tevt. 



Productella arctirostrata {Productus arctiro stratus Hall. 



Hall TztLf\f.y. Vol, IV- riate /Xl//. 



10th Regent's Rt. 1857. Chemung.) Hall. Pal. N. Y. Vol. 4, 

 1867, p. 182, plate 26, fig. 19 to 21, ordinary form of ventral 

 casts in sandstone; 16, 17, dorsal interior and cast ; 22, 23, ven- 

 tral valve and profile, large and rather extravagant form. Re- 

 sembles some extreme examples of P. shumardiana of the 

 Hamilton of the west, but it is a larger and stronger shell and 

 marked by concentric wrinkles. Chemung rocks at Jasper, 

 Steuben Co., N. Y., and south of Cadiz. VIII g. Distin- 

 guished by its narrow beak..— In Pennsylvania, Tioga county, 

 Covington borough, collected by A. Sherwood, 1875, in specimen 

 852-1 (see Hall's Pal. N. Y. Vol. 4, pi. 26, fig. 22, 23; with 

 sinus much less distinct than in 855-11 (G. B. S.) Charleston 

 township, sp. 854-3 (six casts, some fairly good), 854-11 (one 

 cast showing nodes, another entirely smooth showing muscu- 

 lar scars), 854-42, 46 (see HalPs fig. 22); Sullivan township, 

 sp. 855-14; Mixtown, sp, 856-22 (HalPs figure 22), -26 a, 

 29-40 c; Mansfield, spec. 860-21-44 a (good example, iden- 

 tified by J. Hall, Nov., 1888) ; Sullivan township, spec. 861-30 

 (large narrow form); all from the Upper Chemung, VII I g^ 



