PLATE XXXVII. 



Fig. 



1. Arachniophylhmi simplex, gen. et. sp. nov. Carlyan Limestone (p. 558). 



a. Transverse section just below calyx, x 1-8. 



b and c. Transverse sections (same specimen) lower down, x 1-5. 



d. Longitudinal section (same specimen) in the calyx, x 1-8. 



2. GlisiophyUiim dublinense, sp. nov. (p. 559). 



a. Transverse section, x 1-9. Carlyan Limestone. 



b. Longitudinal section (same specimen), x 1-8. 



c. Transverse section (central part) of another specimen, x 1-5. 



Carlyan Limestone. 



3. Koninchophyllum carlyaiiense, sp. nov. Carlyan Limestone (p. 558). 



a. Transverse section, x 2-2. 



b. Longitudinal section (same specimen), x 2-2. 



4. Clisiophyllum spissum, nom. nov. Carlyan Limestone (p. 559). 



a. Transverse section, x 1-8. 



b. Longitudinal section (same specimen), x 1-8. 



5. CUsiophylhmi ci. oblongum, Thorn. Transverse section, x 1-5. Carlyan 



Limestone (p. 545). 



6. Sjnrifer cf. convolutus, Phil. Pedicle valve, x 0'8. Kush Slates, E 6 b 



(p. 562). 



