'MO NEW YORK STATE MUSEUM 



Rbyncbospira globosa Hall r 

 Rhynchospira sp. nov. c 

 Orthothetes woolworthanus Hall r 

 Spirifer macropleura {Conrad) r 

 Mega inborn a sp. ? c 

 Stropbonella leavenworthana r 

 Leptaena rhomboidalis (Wilck.) c 

 Atrypa reticularis Linne r 



Small individuals with regular fine radial ribs. 

 Actinopteria textilis (Hall) r 

 Stropheodonta becki Hall r 

 S. cf. planulata Hall r 



Dalmanella subcarinata Hall r 

 Favosites helderbergiae Hall 



Common in the very lowermost portion. 

 Pholidops sp. ? r 



Camarotoechia semiplicata Conrad c 

 Bron teus barrandii Hall r 

 Proetus protuberans Hall c 

 Dalmanites pleuroptyx (Green) c 

 D. micrurus (Green) r 



Phacops logani Hall c 

 Nucleospira sp. ? r 

 Cyrtina dalmani Hall r 

 Orthoceras sp. V r 

 Annulated type. 

 Bryozoa and some ostracods, unidentified 



Feet 



MunUus l)cds 20-42 



Lime mudrocks and lime sandrocks generally quite 

 pure and fossiliferous at intervals. Some beds 

 are argillaceous and very dark colored. They are 

 mostly thin bedded. Van Ingen and Clark make 

 the following subdivision in the Spring street 

 quarry at Rondout : 



Feet [nchea 



f 19 Hard dove, massive (5 4 



I 18 Light gray, compact <> 3 



| 17 Stromatopora, upper bed 7 6 



Manlius limestones 4') feet I 16 Stromatopora, bottom 5 5 



Mannus limestones 4. ieet lg Dark blue with gmy seams 5 8 



I 14 Dark blue 3 10 



| 13 Thin banded 2 5 



1 12 Gray band 4 6 



The lower beds (12-16) contain the common species: 

 Leperditia a 1 1 a , Spirifer v a n n x - 

 e m i and S t r o p h c o d o n l a v a r i - 

 striata. Bed 16 contains some Stromatopora 

 and the following fauna : 



Loxonema fitchi Hall c 

 Holopea pervetusta (Conrad) c 

 H. subconica Hall c 



Loxonema sp. V 

 Murchisonia minuta Hall 

 Hormotoma, small species 

 Modiolopsis dubia //'/// 



