TYPE SPECIMENS OF INVERTEBKATE FOSSILS. 53 



-379S4. Anthracomartus pustulatus Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 452, pi. 40, 

 figs. 5, 8; Foss. Insects N. America, 1890, p. 428, pi. 32, figs. 5, 8. 



37982. Anthracomartus trilobitus Scudder. Cotypes. 



Upper part of Pottsville Series (Penn.). Near Fayette- 

 ville, Washington County, Arkansas. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 451, pi. 39, 

 figs. 7, 9; Foss. Insects N. America, 1890, p. 427, pi. 31, figs. 7, 

 9. — Fritsch, Pal. Arachinideu, 1904, p. 40, fig. 49. 



38138. Anthracothremma robusta Scudder. Cotypes. 



38139. Upper Coal Measures. Mazon Creek and Braidwood, 



Illinois. 



Scudder, Mem. Bost. Soc. Nat. Hist., Ill, 1885, p. 327, pi. 30, 

 figs. 1, 5, 6; Foss. Insects N. America, I, 1890, p. 291-, pi. 16, 

 figs. 1,5,6. 



38843. Anthrapalaemon gracilis Meek and Worthen. Plesiotypes. 

 Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Packard, Mem. Nat. Acad. Sci., Ill, 18S6, p. 135, pi. 7, figs. 3, 3a, 



4, 4a, 5, 6. 



41836. Aparchites arrectus Ulrich. Holotype. 



Black River (Ord.). St. Paul, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 646, pi. 43, figs. 35, 36. 



41829. Aparchites chatfieldensis Ulrich. Holotype. 



Black River (Ord.). Chatfield, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 646, pi. 43, figs. 37-38. 



41832. Aparchites ellipticus Ulrich. Cotypes. 



Black River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minb., Final Rept., Ill, Pt. II, 



1894, p: 644, pi. 43, figs. 15-17. 



41834. Aparchites fimbriatus (Ulrich). Holotype. 



Richmond (Ord.). Near Spring Valley, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 645, pi. 45, figs. 10-12. 



See L,eperditia fimbriata. 



41828. Aparchites granilabiatus (Ulrich). Holotype. 



Black River (Ord.). St. Paul, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, . 

 1894, p. 644, pi. 45, figs. 21-23. 



See Leperditia granilabiata. 



