TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 493 



17929. Pentamerus (11. sp.?) Owen. Plesiotype. 



Middle Devonian. Near Davenport, Iowa. 



Owen, Rept. Geol. Surv. Wis., Iowa, and Minn., 1852, pi. 3 A, 

 fig 11. 



= Gypidula comis. 



1 167. Pentamerus borealis Meek. Holotype. 



Base of Upper Devonian. Anderson River, Mackenzie 

 River Basin, Canada. 



Meek, Trans. Chicago Acad. Sci., I, 1868, p. 95, pi. 13, figs. na-h. 



= Pentamerella borealis. 



13868. Pentamerus comis Owen. Plesiotype. 



13869. Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 159, pi. 3, figs. 

 4 and 7; pi. 14, figs. 15-150; pi. 15, figs. 5~5b. 



= Gypidula comis. 



13867. Pentamerus lotis Walcott. Cotype. 



Upper Devonian. Applegate Canyon, White Pine Dis- 

 trict, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 161, pi. 3, figs. 

 9-9C 



= Gypidula lotis. 



24529. Pentremites bradleyi Meek. Cotypes. 



Lower Carboniferous. Divide between Ross Fork and 

 Lincoln Valley, Montana. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1873, P- 470, and 

 footnote. — Ham bach, Trans. St. Louis Acad. Sci., XIII, 1903, 

 p. 56, pi. 5, fig. 7. 



33071. Pentremites reinwardtii Troost. Chirotypes. 



Silurian. Decatur County, Tennessee. 



Troost, Proc. Amer. Assoc. Adv. Sci. , II, 1850, p. 60. 



33072. Pentremites tennessese Troost. Chirotypes. 



Lower Carboniferous. Craborchard Mountains, Tennessee. 

 Troost, Proc. Amer. Assoc. Adv. Sci., II, 1850, p. 60. 



115418. Periaster elongata Cotteau. Holotype. 



Eocene. St. Bartholomew, West Indies. 



Cotteau, Kongl. Svenska Vet-Akad. Hand., XIII, 6, 1874, p. 27, 

 pi. 5, fig 6. 



36376. Periploma angulifera Philippi. Plesiotype. 



Pliocene. Shell Creek, near Charlotte Harbor, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1529, pi. 57, fig. 15. 



1 15369. Peripneustes antillarum Cotteau. Holotype. 



Eocene. St. Bartholomew, West Indies. 



Cotteau, Kongl. Svenska Vet-Akad. Hand., XIII, 6, 1874, p. 39, 

 pi. 7, figs. 1-3.' 



