PLATE XXIX. 
Limoptera macroptera. 
Page 246. 
See Plates 24, 26, 27, 28 and 92. 
Pig-. 1. The right side of the specimen fig. 8, plate 26. 
Pig. 2. A view of the left side of the specimen fig. 9, pi. 27, and fig. 4, pi. 28. 
Figs. 3, 4. The profile and left views of a much distorted specimen, showing the effects of compression. 
Hamilton group. Madison Co., i\ r . Y. 
Limoptera obsoleta. 
Page 249. 
See Plates 26 and 92. 
Pig. 5. The left side of a specimen slightly imperfect on the anterior side, but showing the usual surface 
characters. 
Hamilton group. Hamilton, Madison Co., N. Y. 
Pig. 6. A left valve showing the surface characters and the striated ligamental area. 
Hamilton group. Cayuga lake, N. Y. 
