189 Dalm. 



Specimens in the cabinet. (00, p. 233) examined by G. B. 

 Simpson, 1888 : — From shale roof of Clinton ore led, McKee's 

 mine, Mifflin Co., 501-5 (very good cast of head) ; 501-9 ; 501- 

 11 (two); 501-26,impressionof eye (b); 501-33 (three) ; 501- 

 38 (tail) ; from the same outcrop, 502-3 (casts of frag- 

 ments) ; 502-13 (cast of tail); 502-14 (a good head); 502-22 

 (fragment of head) ; 502-27 (a very small tail); 502-29 (cast 



of a tail) ; 502-38 (tail) ; from ore bed roof at Orbisonia, 



504-3 (a fairly good tail); 504-6 (cast of tail); at Mc- 

 Kee's bank; 505-2 (two good tails) ; 505-3 (perfect impression 

 of head); 505-6; 505-15 (good head); 505-lT (head perfect 

 except the eyes) ; 505-18 (head, fair) ; 505-22 (head, good) ; 



505-26 (bit of tail) ; 27, ditto; 505-29, h; at Bell's Mills, 



506-18; 506-24 (tail) ; at Matilda Furnace, 507-10 (bit of 



tail); 507-11; 507-14 (body & tail); 507-26. h; and at 



Orbisonia, 508-13 (fragment of check) ; 508-11 ; all from 



the Clinton ore shales, Va, 



Dalmanites micrurus (Asaphus micrurus), Green, Mono- 

 graph Trilobites, 1832, Lower Helderberg). — Specimen 702-12 

 (00, p. 235). Collected by C. E. Hall, in Huntingdon Co. Pa. 

 at Orbisonia, end of Eoyer's ridge and end of Sandy ridge, and 

 at Three Springs, in ER. cut. — OrisTtany SS. YII, 



Dalmanites myrecophorus ? {Asaphus myrecophorus^ 

 Green, Mon. Tril., 1832, Upper Helderberg). Specimens 18-12, 

 in Cat. 000, 1888, collected by Claypole, in Perry Co., Pa., 

 near the house of the Misses Barnett, in New Bloomfield, in 

 what he calls Marcellus limestone, which I consider Upper 

 Helderherg. J. P. L. — VIII a^ 



Dalmanites nasutus {Asaphus nasutus, Conrad, An. Rt. 

 N. Y., 1841), or else— 



Dalmanites plenropteryx {Asaphus pleuropteryx, 

 Green, Mon. Tril., 1831). Hall, Pal. N. Y., Vol. Ill, p. 359, 

 woodcut lig., 3f. — In Pennsylvania, Perry Co., Claypole's col- 

 lections, specimens 11-5 from the Lower Helderberg chert 

 beds, and 187-3 from the same, 3 m. E. of Ickesburg; also in 

 Pike Co., at Port Jervis, by Dr. Barrett, in the L. Held. Storm- 

 mile shales (G6, p. 132, 134).— FZ— Specimens 606-13 (three 

 in number) from Hogback, Walpack Bend, Pike Co, Fellows' 

 Coll., 1876 (00, p. 2Z4:)—Orislcany sandstone, VII 



l^ote. For -figures see page 190. 



