Animal Nature of Eozobn Canaclcnse. 



47' 



Fig. 3. 



fragments or patches having its characteristic structures, 

 or detached chamberlets or groups of these. The occur- 

 rence of these frag- 

 ments I regard as an 

 important fact, and 

 as showing that what 

 may be termed "Eo- 

 zoon sand " enters 

 largely into the com- 

 position of the lime- 

 stone. 

 In illustration of this part of my subject, I present a 

 rough map of the district near the Petite Nation Paver, in 

 rear of Papineauville, referred to by Dr. Bonney in his 

 valuable paper in the July Xo. of the Geol. Magazine, and 



in addition to the 



section given in 

 his paper, one 

 showing the 

 order of succes- 

 sion in the valley 

 of the Calumet, 

 a little stream 

 some distance to 

 the eastward. I 



Fig. 4. 



Figs. 3 and 4. — Bent and dislocated Quartzite, in contorted schists 

 interstratified with Grenville Limestone, near Montebello. The 

 quartzites have been broken and displaced, while the schists have 

 been bent and twisted. In the immediate vicinity the same beds 

 may be seen slightly inclined and undisturbed. 



also give examples of the manner in which the associated 

 gneiss, though often very regular, is along certain lines 

 contorted, and the manner in which, in these contorted 

 spots, the quartzite bands are cracked and broken, exactly 

 as may be observed in the shales and sandstones of the 

 Quebec group on the Lower St. Lawrence. 



