TYPE SPKCIMENS (>K INVKRTKBRATE FOSSILS. 237 



4338.S. Drymotrypa dichotoma Ulricli. Ilolotype. 



Trenton (Orel.). Montreal. Canada. 



ririch, (reol. Siirv. 111., \'III, iHi.)>>, ]). 399, ])1. 5;,, lij^. 6. 



43389. Drymotrypa diffusa (Hall). Ple.siotype and figured .sections. 

 Rochester (vSil. ). Lockport, New York. 



T'lrich, Ot'ol. Siirv. 111., VIII, 1^9(1, pi. 53, fij^r.s. 7-7!). 



2773S. Duncanella rudis Girty. Ple.siotypes. 



Helderbergian ( Dev. ). Big vSandy Ri\er, Benton Count}-, 

 Tennessee. 



Girty. XiiU'lcciitli Ann. Repl. I'. S. (it-ol. Siirv., 191H), j). 553. 



45796. Dyeria costata (James). Plesiotypes. 



Lorraine (Ord.). Cincinnati, Ohio. 



T'lrich and Scofield, Geol. and Nat. Ili.st. vSurv. Minn., iMnal 

 Rept., Ill, Pt. II, 1897, p. 1044, fig. 8. 



13898. Dystactella insularis W'alcott. Holotyi)e. 



Middle Devonian. GraysCanyon, Eureka District, Nevada. 

 Walcott, Mon. \'I1I, \' . S. Geol. Surs\, 1884, p. 172, pi. 15, fig. 8. 

 = Nuculites insularis. 



46553. Dystactospongia minima Ulrich. Holotyjjc. 



Riclunond (Ord.). Near Hanover, Butler Count\-, Ohio. 



ririch, Anicr. Geol., Ill, 1SS9, p. 243. 



46554. Dystactospongia minor ririch and Ivverett. Figured .sec- 



tions of holotype. 

 Stones River (Ord.j. Dixon, Illinois. 



IHrich and Kverett, (xeol. Surv. 111., VIII, 1890, p. 278, pi. 8,. 

 figs- 3a> 3'J- 



35404. Dystactospongia minor Ulrich and Everett. Plesiotyjies. 



vStones River (Ord. ). Two miles .southwest of Columbia. 

 Tenne.ssee. 



Ilaye.s and Ulrich, V. S. Geol. Surv., Folio 95, 1903, illnslralion 

 .sheet, figs. 48, 49. 



46555. Dystactospongia rudis Ulrich and Ivverctt. Figured .sections 



of holoty])e. 

 vStones River (Ord.). Dixon, Illinois. 



ririch and I-;verett. (rcol. Surv. 111., \'III, 189(1, ]). 279, pi. 8, 

 lig. 4a. 



ICcculiomphalus devonicus Walcott. See PvCcylioni])halus 

 devonicus. 



45797. Eccyliomphalus contiguus Ulrich. Cotypes. 



Stones River (Ord.). Murfree.sboro, Teiniessee. 



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

 1S97, p. 1037, pi. 74, figs. 48-52. 



