KRRATA. 



p. 131, " Green Sandpiper, Tuianus ochropus, Rare," should be 

 omitted. 



Page 169, 22nd line, read Mosasauridae Gervais, 1853. 



Page 187, insert after "Length 5 mm." the following paragraph: 

 Two specimens, Magdalena Mts., Socorro Co., N. M. (F. H. Snow, 

 Aug.). 



Page 187, 8th line, read styliform instead of stillifonn. 



