3PLA.TE 5. 



Page. 

 Fig. 1. PiiYLLOCERAS RAMOSUS; side view, reduced to about two-tliirda the 



natural diameter 371 



1 a. Outline profile view of same. 



1 &. Part of a septum of same, showing the siphonal and first lateral lobes 



and the siphonal sinus, magnified. 

 Fig. 2. Ammonites complexus, var. suciaexsis; side view of a medium-sized 

 specimen from Komooks, reduced to about two-thirds the natural 

 diameter 369 



2 a. A part of a septum of same, enlarged. 



2 h. A larger specimen from Sncia Island, being a worn internal cast, re- 

 duced as above. 



•2 c. Profile view of same. The siphonal lobes of the septa in this figure are 

 traced in from the smaller specimen represented by fig. 2 of same 

 plate. 



