LOESS FOSSILS. 

 Lists of loess fossils— Continued. 



171 



Professor Shimek has furnished the following notes in reference to the 

 fossils given in the foregoing' lists. 



Of the foregoing lists I, II, III, IV (except the last five species), V, 

 and VII contain typical loess fossils and may be considered together. The 

 species mentioned are the following : 



1. Conulus fulvus (Drap.) Mull. 



2. Helicodiscus lineatus (Say) Morse. 



3. Pyramidula striatella (Anth.) Pils. 



4. Pyramidula strigosa iowensis Pils. 



