CUSHMAN 



PLATE 6 



1, 2, and 3. Haplostiche dubia var. intermedia, n. var. X 15. 



4. Haplostiche dubia var. intermedia, n. var.. horizontal section, showing divisions of the interior. 



X 20. 



5. Tcxtitlaria barrettii Jones and Parker, end view. X 20. 

 (j. Textularia barrettii Jones and Parker, front view. X 20. 



7. Textularia barrettii Jones and Parker, horizontal section, showing irregular labyrinthic interior. 

 >>. Cristellaria calcar var. aspinosa, n. var. X 20. 

 All specimens from the Bowden marl. 



