32 



Pairbury. (4712) 

 Nilzschia vHrea recta (Hantzsch. ) V. H. 



Arago, Peru. (4729) 

 Odontidium pinnatum (Ehvb. ) Kuetz. Bacil. 44. 1844. 

 Fragilaria pinnata Ehrb. Verbreit. 127. 1843 

 Dimeregramma mutabile Pritchard Infus. 790. 1845. 

 Odoniidium mutabile W. Sm. Brit. Diat. 2:17. 1853. 

 Odontidium pinnatum intermedium (Grun.) Elmore. 



Fragilaria mutablis intermedia Grun. Verb. Wien. Zool. Bot- 

 Ges. 12, pi 7] f. 9. 1862. 

 Bellevue. (4701) 

 Opephora pacifica (Grun.) Petit. 



Fossil, Mullen. (4718) 

 Pleurosigma thuringicum (Kuet^. ) Elmore. 

 Navicula thuringica Kuetz. Bacil. 102. 1844. 

 Navicula angulata Queck. Pract. Treat, on the Microsc. 438- 



1848. 

 Pleurosigma angulatum W. Sm. Ann. Nat. Hist. 1853:7. 1853. 

 Pleurosigma thuringicum elongatum (W. Sm. ) Elmore. 

 Pleurosigma elongatum W. Sm Brit. Diat. 1:64. 1853. 

 Pleurosigma angulatum elongatum, V. H. Syn. 115. 1880. 

 Pleurosigma thuringicum elongatum torma fallax Grun. 



Lincoln. (4721) 

 Pleurosigma obscurum W. Sm. 



Julian, Ashland, Lincoln. (4702) 

 Pleurosigma scalproides Babenh. 



Talmage. (4728) 

 Pleurosigma spencerii nodiferum Grun. 



Talmage, Peru. (4705) 

 Pseudoeunotia lunaris (Ehr. ) Grun. 



Peru, Bellevue, Auburn, Talmage; fossil, Mullen. (4720) 

 Rhoiconeis trinodis inflata Schultze. 



Auburn, Arago, Talmage, Weeping Water; fossil. Mullen. 

 (4711) 



