This page needs to be proofread.
Plate V.
P-ge Paralleloparu fauosdiformis uov. gendelp, . . . . . . . . . :3 Fig.1. langrlllifl section, x 15‘ Fig.2 — — x24. Fig. 3, langitu inal seclion, showing mural pores, X 16. FigJ. _ ~ with one or the narrow subcylindrinal tubes. X 16,
Fig. 5. —- ~ with another, X 24.