PUBLICATIONS. Xlll 



5, 



1891 



7, 



u 



3, 



u 



L3, 



(( 



i3, 



u 



Pages 477-502, plate 20—130 copies. May 

 " 503-528, 130 " 



" 529-540, plates 21,22— 130 " June 



" 541-586, 100 July 



" 587-606, plate 23— 55 " " 



Special Editions * 



Pages 2- 6t—200 copies. January 17, 1891. Without covers. 

 << 10-16 — 30 " " " " " " 



With " 



AVithout " 



16-19 —100 " 



;( (< 



20-25 — 30 " 



(( U 



25-30 — 30 " 



(( u 



611— 30 " 



August 5 



615-630-300 " 



July 23 



635— 30 " 



(( u 



636— 30 " 



a (( 



638— 30 " 



(( (( 



688-639— 30 " 



(( (( 



639— 30 " 



(C (( 



640-642— 30 " 



(( a 



645-652—200 " 



August 3 



ix-xi— 200 " 



5 



* Bearing the imprint [" From Bull. Geol. Soc. Am., Vol. 2.''] 

 t F"ractional pages sometimes included. 



