l'l>ATE 41. 



Fig. ]. l'i,Ujni(>ii,hhui spinoMa. XIOO. Front view. After Heroii-Allen and 

 Eiirliind. 



•2. Poliiniorjjliiita sororia. var. viispidata. X4U. Front view. D2150. 



3. Pol!mori)Jii)ia sororia. X40. Fistulose form. D2713 



4. Polfimorphinn sororia. X35. Front view. D2038. 



5. Pol i/morph ilia sororia. X40. Fistulose form. D2038. 



0. Poiiimorphina nit/osa. X40. Front view of siiecinien attached to 

 small pebbles. D2112. 



7. PoJi/)nori)hiiia exteiisa. X50. Side view. D2105. 



8. Poh/niorpliiita c.rtcnsa. XoO. Side view. D2035. 



9.10. Poliiiuorphiua iin/ristiformis. XoO. Front views. Off I'lyniduth. 



Eng:land. 



11.12. Poli/morijliiiia innristiformis. X50. After Heron-Allen and Earland. 



13. Poii/niorpiiiiKi spinosa. XIOO. Front view. After P.alkwill and 



Wriylit. 



14-10. rvificrina caiiariexsis. Figure 14, XoO: figure 15. XOO; figure 16, 



X75. After H. B. Brady. 

 17-20. Irif/eriii'i ainiiilosa. X30. 1)2078. 



219 



