116 BFLLETIN ,"i3, UNITED STATES NATIONAL MUSEUM. 



1938. Callista robusta ( INIeek and Hayden). Cotypes. 



Montana (Cret.). Deer Creek, North Platte, Wyoming. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1S61, p. 443. 



= Calli.sta ( Do.siniopsi.s ) nebrascensis. 



162525. Callista subdiaphana pedroana Arnold. Holotype. 



Pleistocene. Deadnian Island, off San Pedro, California. 

 ArnoM, INIeni. Calif. Acad. vSci., Ill, 1903, p. 144, pi. 13, fig. 2. 



232. Callista 1 Aphrodina?) tenuis (Hall and Meek). 



Plesiotypes. 

 Fort Benton or Colorado (Cret. ). Bear Creek, near ba.se 

 of Black Hills, South Dakota. 



Meek, Rept. U. S. Geol. vSurv. Terr., IX, 1876, p. 18S, pi. 5, figs, 

 la-d. — Stanton, Bull. No. 106 U. S.' Geol. Surv. , 1893, p. 109, 

 pi. 24, figs. 7, 8. 



113637. Callocardia ( Agriopoma ) gatunensis Dall. Holotype. 



Gatun ( Oligocene. ). Near Gatun, Panama Canal, Panama. 



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

 p. I26i>, pi. 54, fig. I. 



63g2a. Callocardia (gatunensis var.) multifilosa Dall. Holotype. 

 Gatun (Oligocene ). Near Gatun, Panama Canal, Panama. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. \'I, 1903, 

 ]). 1 26 1, pi. 54, fig. 15. 



164870. Callocardia (Pitaria? ) kincaidii Dall. Holotype. 



Miocene. Popof Island, vShumakins, Alaska. 



Dall, Harriman Alaska Kxped., IV, 1904, ]>. 115, pi. 10, fig. i. 



2350a. Callocardia (Agriopoma) sayana Conrad. Holotype. 



Miocene. York Ri\-er, \'irginia. 



Dall, Trans. Wagner h'ree Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1261, pi. 54, fig. 16. 



1 14747. Callocardia (Agriopoma) sincera Dall. Holotype. 



Chiix:>la (Oligocene). Baileys Ferry, Chipola River, Cal- 

 houn County, Florida. 



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

 p. 1260, pi. 55, fig. 12. 



13944. Callonema occidentalis W'alcott. Cotypes. 



Middle Devonian. Combs Peak, liureka Di.strict, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Snrv., 1SS4, j). 189, pi. 16 

 figs. 3, 3a. 



43518. Callopora ampla Ulrich. Cotypes and figured sections. 



43519. Trenton (Ord.). Cannon Falls and Fountain, Minnesota. 



Ulrich, Geol. and Nat. Hi.st. Surv. Minn., Final Rept., Til, Pt. I, 

 1893, p. 281, pi. 23, figs. 13, 15, 18-20, 22, 23, 27, 28. 



