TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 55 



22917. Aporrhais ( Perissoptera?) prolabiata (White). Plesiotypes. 

 Colorado (Cret. ). Upper Kanab Valley, Utah. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 144, pi. 31, 

 fig. 2. 



See Anchura (Drepanocheilus ) prolabiata. 



276. Aporrhais sublevis Meek and Hayden. Holotype. 



Montana (Cret.). Yellowstone River, near Miles City, 

 Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1S60, p. 178. 



= Anchura? sublevis. 



23095. Aptychus ? knoxvillensis Stanton. Holotype. 



Knoxville (Lower Cret. ). Near Knoxville, Napa County, 

 California. 



Stanton, Bull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), p. 83, 

 pi. 18, figs. 1, 2. 



148930. Area aquila Heilprin. Plesiotypes. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 621, pi. 31, fig. 12. 



61621. Area bowdeniana Dall. Holotype. 



Oligocene. Bowden, Jamaica. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 622, pi. 33, fig. 12. 



111618. Area (Striarca) centenaria (Say.). Plesiotype. 



Miocene. Near Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 42, pi. 6, 

 figs- 5-7- 



1 15682. Area centrota Guppy. Holotype. 



Pliocene. Matura, Trinidad. 



Guppy, Proc. Sci. Assoc. Trinidad, 1867, p. 175; Geol. Mag., Dec. 

 II, I, 1874, p. 443, pi. 18, fig. 23. 



430. Area (Cucullaea) cordata Meek and Hayden. Holotype. 



Fox Hills (Cret.). Moreau River, South Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 86. 

 = Cucullsea (Idonearca) cordata. 



3499. Area devincta Conrad. Holotype. 



Miocene. Astoria, Oregon. 



Conrad, Wilkes U. S. Expl. Exped., X, 1849, P- 7 2 6, Atlas pi. 18, 

 figs. 10a. 



[Gabb unites this with A. microdonta. — W. H. Dall.] 



12386. Area ? equilateralis Meek. Cotypes. 



Nanaimo (Cret.). Nanaimo?, Vancouver Island. 



Meek, Bull. U. S. Geol. and Geogr. Surv. Terr., II, 1S76, p. 357, 

 pi. 2, figs. 6a. 



