312 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



16570. Sigillaria laurenciana (Lesquereux) David White. Types. 



1 657 1. lye Roy (Penn.). Lawrence, Kansas. 



White, Bull. No. 21 r, U. S. Geol. Surv., 1903, p. 106. 



16779 Sigillaria leptoderma Lesquereux. Types, 



to Anthracite (Penn.). Plymouth, Pennsylvania. 



16783. Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 



Atlas, 1879, pl- 7 2 > fig- lo ; Text, II, 1880, p. 489. 



16445. Sigillaria leveretti Lesquereux. Types. 



16446. Cherokee? (Penn.). Spring Run, Augusta Township, Des 



Moines County, Iowa. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Text, III, 1884, pp. 800, 801, pl. 108, figs. 4, 5. 



165 1 7. Sigillaria mamillaris Brongniart. Illustrated specimens. 



1 65 1 8. Allegheny (Penn.). Olyphant, Pennsylvania. 



16520. Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 



Atlas, 1879, p. 10, pl. 72, fig. 5; Text, II, 1880, p. 484; III, 1884, 

 p. 799, pl. 108, fig. 6. 



16798. Sigillaria marginata Lesquereux. Types. 



16799. Anthracite (Penn.). Plymouth, Pennsylvania. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Atlas, 1879, pl. 71, fig. 5; Text, II, 1880, p. 498. 



16415. Sigillaria monostigma Lesquereux. Types. 



16416. Allegheny (Penn.). Cannelton, Pennsylvania. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Atlas, 1879, pl. 73, figs. 3-5; Text, II, 1880, p. 468. 



16486. Sigillaria orbicularis Brongniart. Supplemental type. 



16487. Anthracite (Penn.). Maltby and Pittston, Pennsylvania. 



Lesquereux, Coal Flora Second, Geol. Surv. Pa., Rept. Prog. P, 

 Text, II, 1880, pp. 491, 492. 



16553. Sigillaria ovalis Lesquereux. Type. 



Anthracite (Penn.). Plymouth, Pennsylvania. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Atlas, 1879, pl. 71, fig. 1; Text, II, 1880, p. 495. 



16709 Sigillaria pittstoniana Lesquereux. Types, 



to Anthracite (Penn.). Plymouth, Pennsylvania. 



16714. Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 



Atlas, 1879, pl. 71, fig. 4; Text, II, 1880, p. 493. 



16576. Sigillaria restricta (Lesquereux) David White. Type. 



16577. Thayer shales (Penn.). Thayer, Kansas. 



White, Bull. No. 211, U. S. Geol. Surv., 1903, p. 106. 



16457. Sigillaria saulli Brongniart. Supplemental type. 



Anthracite (Penn.). Plymouth, Pennsylvania. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Text, III, 1884, p. S42. 



16659. Sigillaria (Asolanus) sigillarioides (Lesquereux) David 



White. Reverse of type. 



Cherokee, Des Moines, (Penn.). Clinton, Henry County, 



Missouri. 



White, Mon. XXXVII, U. S. Geol. Surv., 1899, p. 239, pl. 70, fig. 2. 



