784 PROCEEDINGS OF THE NATIONAL MUSEUM. v..].. xxix. 



(MYLACRIDiE) PSEUDO-CARBONUM, new rpecies. 



Mijlacr'ixcdrhoiiitin Scuddkk (part), IMein. BoHton Soc, III, ls,s4, p. :!()4, pi. wvii, 

 liy-. () (not li-. 7, 10). 



Localiiij. — ( 'Sinnclloii, INMiiisylvania. Allej^heny t'orniation; Kittiui- 

 ning group; roof of tho Middle Kittannino- coal. 



H(>h>f;/j>r.~i\\L No. HS<H>(), U.S.N. M. 



(MYLACRID/E) CARBONINA, new species. 



Myhicris ciii-hiiiniiii Scuddek (part), Mimh.- Boston Soc, III. 1.S84, p. ;!()4, pi. \xvii, 



ti,^. 7 (not tig. a, 10). 



Local ifij. — Kinpire Mine, Wilkew-Barre, Pennsylvania. Anthracite 

 series; E coal. 



Iloloti/jx. -OAi. No. ;3S()52, U.S.N.M. 



iMYLACRID^) BRETONENSIS (Scudder). 



Hbdiiita hri'tdiiciixix ticvDUKii, Canad. Nat., VIl, 1.S74, p. 1^71, tig. 1. 



Mi/lacris hrctdiieiix'x Sctddeh, Mem. Boston Soc-., Ill, 1(S79, p. 41, pi. v, tig. 1. 



Locality. — Sydney. Cape Breton. Middle C-oal forniatioji: Alle- 

 gheny stage!; 



(MYLACRID^) SIMPLEX (Scudder). 



LitltoiiH/liicrix .siiiijilc.i >^r\-i->i)VA{, Mem. Boston Soe., Ill, 1S7H, p. 51, jil. v, lig. 5. 



Localiiij. — Danville. Illinois. Pennsylvanian; Coneniaugh (or 

 Freeport t) stage. 



(MYLACRlDiE) PITTSTONIANA (Scudder). 



L'itliiiiiiiilnrn>< /liltslniudiKi S( UDDKK, Mem, Boston So( , , 111, lS7n, p. 50, jil. v, 

 tigs. 4, 10. 



Lofal'dij. — Port (irittith, Pennsylvania. Anthi-acite series; E e(«il. 



Ilolotiipe. -\ 'at. No. 3S( )96 , T . S. N . M . 



(MYLACRlDvE) PENNSYLVANICA (Scudder). 



MtjUii-ri>~ jicniii^iiUdincd Si i ni^Ei;, Mem Bost<in So( ., Ill, 1S7H, |). 44, \A. v, ligs. 

 i:^, 14, 



L.oraLiiij. — Cannelton, Pennsylvania. Allegheny formation; Kit- 

 tanning group; roof of the Middle Kittannmg coal. 

 Cotypes.—^C'cXl. No. 38102, T.S.N.M. 



iMYLACRID.^) AMPLA (Scudder). 

 MijldiTix dni})ld S(_ri)i)EK, l*>nll {' S. (>eol. Surw, .No 124, ISOfi, p. 4o, jil. ii, tig. ]. 



LocaliUj. — Mazon Creek, near Moiris. Illinois. Pennsylvanian, 

 Kittanning i (Allegheny) stage. 



Ilolotyjje.—Oiit. No. 38051, U.S.N.M. 



