Buli.e;tin 12 146 



Statio7i 12B. — One mile east of Lexington the following spe- 

 cies were found in the same beds as the last station, on Dr. Davis' 

 land south of the road: 



Atrypa retiadaris c, Discina grandis r, Spirifer granulosus a, 

 StiHopora sp. c. 



Station 12C. — In the bed of a small ravine a. few hundred yards 

 above Dr. Davis' house the New Albany shale is encountered, 

 and the lower layers of it contain in great abundance the follow- 

 ing species: 



Chonetes lepidus c, Leiorhynchus quadricostatus a, Tentaculites 

 fissurella a, Tentaculites gracilistriatus r. 



Powers' colleBion. — The following is a list of the species in a 

 collecftion made by Mr. John Powers at Lexington and kindly 

 loaned to the writer for study: 



Athyris vittata, Bellerophon leda, Callonema imitator, Camarot- 

 cechia Carolina, Camarotcechia congregata, Cyrtoceras jaso7ii, Favo- 

 sites sp,, Glossites sp., Gomphoceras minum, Loxonema hydrauli- 

 cum, Machizracanthus major, Modiomorpha concentrica, Orthoceras 

 sp. , Paracyclas elliptica, Platyceras ere5lum, Proetus canaliculatus, 

 Spirifer byrnesi, Spirifer varicostis. 



Station 13 A. — Southwest of Lexington five and one-half miles, 

 in the Guinea ''knobs" the Rockford limestone is well exposed 

 at John Koerner's. The following fauna was obtained here: 



Amboc(zlia gregaria (Win.) Schu. c, Athyris ohioensis Win.?, 

 Bellerophon sp. , Cryptonella? inconstans r, Phillip sia doris (H..) 

 Win. a, ProduBella sp.? r, Spirifer marionensis Shum. c, Spiri- 

 ferina solidirostris . 



Station 2^ A. — The New Providence shale is well exposed at 

 the side of the wagon road which ascends Pixley knob. This is 

 one of the very few localities where this shale was found to be 

 fossiliferous in southern Indiana. The species which were found 

 here are the following: 



Athyris lamellosa c, Athyris ohioensis ? r, Atrypa sp. r, Beller- 

 ophon crytolites ? r, Camaortcechia sp., Chonetes illinoisensis c, 

 Chonetes loganic, Crenipectenfcerstiif r,Crinoid siQxns,2.,Cyclonema 

 sp., Cyrtina f r, Forbesocrinus s^. r, Macrodon sp., Niicula sp., Or- 

 thothetes sp. , Pal'cBoneilo bedfordensis c, Platyceras s^^ . ,Pleurotomaria 

 sp., Polyphemopsis s^?. r, Produ£lus arcnatiisf a, ProdziHtis gracilis 



