Plate 3 



GENUS BOLIVINA d'ORBIGNY 



Bolivina dilatata Reuss 



1 Thin section, x 174. (Slide 5 (X)) 



2 Entire specimen, x 100. (After Brady, Parker and Jones, Trans. 



Zool. Soc, V. 12, 1888, pi. 43, fig. 3) 



Bolivina punctata d'Orbigny 



3 Thin section, x 232. (Slide i) 



4 Entire specimen, length 0.78 mm. (After Goes, K. Sv. Vet. 



Akad. Handl., v. 25, 1894, pi. 9, fig. 476) 



Bolivina sp., perhaps B. reticulata Hantken 



5 Thin section, x 116. (Slide 6)- 



6 Entire specimen of B. reticulata, x 70. (After Brady, 



Chal. Rep't, v. 9, 1884, pi. 53, fig. 30,) 



Bolivina sp. ? 



7 Thin section, x 174. (Slide 6) This may be a shortened form 



of B. dilatata Reuss ; its outline is nearer B . reti- 

 culata Hantken and B . tenuis Brady. 



GENUS LAGENA WALKER & BOYS 



Lagena globosa (Montagu) 



8 Thin section, x 116. (Slide 6) 



9 Entire specimen. (After Vadasz, Triasforam. aus dem Bakony, 



1 9 10, pi. I, fig. II. Specimens with length 0.32 mm, 0.436 mm; 

 breadth 0.2 mm, 0.4 mm) 



Lagena laevis (Montagu) 



10 Thin section, x 174. (Slide 2) 



11 Entire specimen, x 15?. (After Bagg, U. S. G. S. Bui. 513, 1912, 



pi. 13, fig. 6a) 



Lagena marginata (Walker & Boys) 



12 Thin section, x 116. (Slide 3) 



13 Entire specimen, x 24. (After Parker and Jones, Phil. Trans., 



V. 155, 1865, pi. 13, fig. 42a) 



197 



