49 AsTY. 



Astylospongia inornata. 00, Pal. Coll. ten specimens 

 marked 601-20; four, marked 601-25; six, marked 601-29; 

 twenty in all; collected by Hale & Hall, 1874, at Orbisonia; 

 Huntingdon Co., la., at Lower Held. VI. See Appendix. 



Athyris angelica. See Appendix for -figure. Hall, 14th 

 Regent's report, 1861, Chemung. — Specimens in the Cabinet 

 (0, p. 235) 809-11, Coll. of Hall and Fellows, 1876, Canal n. 

 of Port Jarvis, Pike Co., Hmailton strata., VIII c. — 854-18 

 (cast showing changes by different degrees of weathering) ; 

 854-19 (shows muscular impressions and pustulate surface) ; 

 854-20 (four casts, preserving the form, and also traces of the 

 external markings) ; 851-21 (two casts) ; 854-22 (three, vari- 

 ously preserved) ; 854-26 (cast, muscular scars, pustulose sur- 

 face) ; 854-28 (small, fair spec.) ; 854-31 (both valves some- 

 what crushed) ; 854-35 (cast, slight scars) ; 854-87 (cast show- 

 ing beaks) ; 854-45 ; all in Sherwood's collections, 1875, in 

 Charleston t., Tioga Co., Upper Cheraung strata., VIII g. — 

 855-35 (cast) ; 855-49 ; 855-53 ; Sherwood's Coll , Sullivan t., 

 Tioga Co., Upper Chemung strata.^ VIII g. — 856-3 (casts) ; 

 856-4 (two casts); 856-10 (several casts); 856-14 (Scast); 

 856-15 (casts) ; 856-20 (cast showing muscular scar) ; 856-23 

 (good); 856-27 (casts); 856-41; 856-42 (shell preserved); 

 856-45 ; 856-47 (mostly A. ang.) ; all Sherwood's coll. at Mix- 

 town, Tioga Co. Upper Chemung, VIII g. — 860-2 ;-56 ^^ ;-64 

 h '-^^ ;-88 ; all Sherwood's, near Mansfield, Tioga Co. Upper 

 Chemung, VIII g.—S61-6 h\ 861-8 ;-12 (casts) ;-25 (impres- 

 sions and casts); 28 (cast) ;-31 (cast) ;-32 ;-37 (cast) ; all 

 Sherwood's coll. in Sullivan t., Tioga Co., Pa., from Upper Che- 

 mung strata., VIII g. 



Athyris hirsuta, Whitfield. {Spirigera hirsuta of Hall, 



1858, Trans. Alb. Acad. Vol. 

 4, Warsaw limestone ; Whit- 

 field, in Bull. 3 Am. Mus. N. 

 H. p. 49, plate 6, figs. 18-21, 

 IncH^^^mi^^n .^¥29 \%^^) Collett's Indiana of 

 1882, page 328, plate 29, fig. 1^^^ a small Spergen Hill 

 specimen, enlarged twice., showing setae; dgs 19, 20, 21, a 

 larger specimen from same place. — Suh-carloniferous. XI. 

 Athyris lamellosa. See Appendix. 

 4 



20 



