314 FEESH-WATEE EHIZOPODS OF NOETH AMEBIC A. 



Leidy. Joseph. 



JV. cquicalceus. =Nebela hippocrepis. 

 N. sphagni. = Heleopera picta. 



N. BARBATA, 119. 



Observations on Ehizopods, 197. 



Eyalosphcnia ligata. = Hyalosphenia cuneata. 



H. papilio. 



Amceba verrucosa, 198. 



A. limax? 



The Birth of a Bhizopod, 1877, 261. 



EUGLYPHA ALVEOLATA, 262. 



Nebela numata, 264. = Nebela collakis. 

 n. flabellulum, 265. 

 Arcella vulgaris, 265. 



On the Feeding of Dinainceba, 288. 



= Dinamceba mirabilis. 



Apparent Discriminative Power in the Selection of Food by a Heliozoon, 291. 



ACANTHOCYSTIS SPINIFERA t 



Bemarks on Ehizopods, and Notice of a New Form, 293. 



Campascus corxutus, 294. 

 Eemarks on American Species of Difflugia, 306. 



Difflugia proteifqrmis, 307. =D. globulosa. 



D. PYRIFORMIS. 

 D. ACUMINATA. 



D. comprcssa, var. of D. pyriformis. 

 D. eniochloris, var. of D. pyriformis. 



D. URCEOLATA. 



D. olla, var. of Difflugia urceolata. 

 D. corona. 



D. L0B0ST0MA. 



D. globularis. = Difflugia globulosa. 



D. CRATERA. 



D. vas. = Var. of Difflugia pyriformis. 



D. spiralis. 



D. marsupiformis. = Difflugia constricta. 



Ehizopods in an Apple tree, 321. 



Difflugia cassis. = Difflugia constricta. 



D. globularis. = Difflugia globulosa. 

 Trinema acinus. =Trinema enchelys. 

 Euglypha alveolata. 



E. brunnea. = Assulina seminulum. 



On Amoeba, 1878, 99. 



Amoeba chaos. = Amceba proteus. 

 A. PROTEUS. 



On the Relation of Amceba qnadrilineata and Amoeba verrucosa, 158. 

 Amceba quadrilineata. = Young of Amceba verrucosa. 



A. nataus, A. terricola, anil Thccamccba quadripartite as synonymous witli Amceba ver- 

 rucosa. 



Species of Euglypha, Trinema, Pamphagus, and Cyphoderia, with Synonyma and 

 Descriptions of New Forms, 171. 

 Euglypha alveolata, 171. 

 E. ciliata, 172. 

 E. seminulum. — Assulina seminulum. 



