ART. 20 THE GENUS SIPHONINA AND OTHER GENERA CUSHMAN 15 



Plate 3 



Figs. 1 a-c. Siphonina tuhercnlata (A. Silvestri). From Pliocene of Siena 

 region, Italy. (After A. Silvestri.) X40. 



2 Or-c Siphonina plano-convexa (A. Silvestri). From Pliocene of Siena 



region, Italy. (After A. Silvestri.) X37. 



3 a-c. Siphonina lamarckana Cushman, new species. Holotype. Frcm 



Eocene, Calcaire grossier, Grignon, France. X60. 



4 Or-c. Siphonina reticulata (Czjzek). From Miocene of Kostej, Banat 



region of Hungary. X65. 



5 Or-c. Siphonina claibomensis, new species. Holotype. From Lisbon 



formation, 1 mile north of Washitubbee station, N. O. & N. E. 

 R. R., Clarke County, Miss. X65. 



6 a-c. Siphonina hoivei, new species. Holotype. Prom Claiborne Eocene, 



Cane River formation at Natchitoches, La. X65. 



7 a-c. Siphonina atistralis, new species. From Miocene of Filter Quarry, 



Batesford, Victoria, Australia. X65. 



8 a-c. Siphonina australis, new species. From Miocene, Janjukian, Bird 



Rock Cliffs, Torquay, Victoria, Australia, X65. 



Platbj 4 



Figs. 1 a-c. Siphonina tenuicarinata Cushman. Specimen from Brasso, Trini- 

 dad. X65. 

 2. Siphonina jacksonensis Cushman and Applin, var. limhosa Cushman, 

 new variety. Holotype. From Alazan clay, Rio Buena Vista, 

 Vera Cruz, Mexico. X65. 



3 a-c. Siphonina advena Cushman, var. eocenica Cushman and Applin. 



From Jackson Eocene, Bridge Creek, lYz miles above Angelina 

 River, Tex. X65. 



4 a-c. Siphonina philippinensis, new species. Holotype. From Philip- 



pines, Aldatross Station D5242. X65. 



5 a-o. Siphoninella clai'bornensis Cushman and Howe. Holotype. From 



Louisiana. X 100. 



6 0-&. Siphoninoides laevigata (Howchin). From Muddy Creek, Victoria, 



Australia. X 65. 



7 a-&. Siphonliwides echinata (H. B. Brady). From Muddy Creek, Vic- 



toria, Australia. X65. 



8 a[c]-l). Siphoninoides echinata (H. R. Brady). From Tortugas, Florida. 



X65. 



o 



