ADDENDA ET CORRIGENDA. 



Page XX — Line 2 from bottom, for itinary read itinerary. 

 Page xxiv — 



Table C. 



Strophalosia bed : 



■For 5 ft. read .5 ft. 

 For 52^ read 59' 

 For 50.5' read 57.5' 

 Transition shales: 



For 81.5' read 88.5' 

 For 80' read 87' 

 Pteropod bed: 



For 82' read 89' 

 For 80.5^ read 87.5' 

 Ambocoelia bed : 



For 38^ read 95' 

 For 86.5^ read 93.5^ 

 Page 4 — Line 14 from top, for one degree read o. I degree. 

 Pages 8 to 32, — 



Remove ( ) from author's name — esccept — 



P. S, etc., Styliolina fissurella, (Hall). 

 P. 14, " Ambocoelia umbonata. (Conrad). 

 P. 16, " Schizobolus truncatus, (Hall). 

 P. 19, " Liorhynchus quadricostatus, (V'anuxem). 

 P. 23, " Phacops rana, (Green). 

 P. 27, " Athyris spiriferoides, (Eaton). 

 P. 27, " Stropheodonta perplana, (Conrad). 

 P. 27, " Atrypa reticularis, (Linn). 

 P. 31, " Mytilarca oviformis, (Conrad). 

 P. 32, " Tropidoleptus carinatus, (Conrad). 

 Page 10 — Line ro from bottom for "pterepod"' read pteropod. 

 Page II — Bottom line omit (Fig. i). 

 Page 13 — Line 3 from bottom for "given in it's name" 



read given it its name 

 Page 19— Line 12 from bottom, for "2.5 degrees" read 0.25 degrees. 

 Page 20— Line 10 from top for "characteristic" read characteristics. 

 Page 21 — Line 3 from top, for Pt. V. read PI. V. 

 Page 24 — Line 6 from top, for "four degrees" read 0.4 degrees. 

 Page 49 — Under reaction 5, for "oxydation" read oxidation. 



