314 FEESH-WATEE EHIZOFODS OF NOETH AMEEIOA. 



Load j , Joseph. 



N. equiealceus. =Nebela nrppocREPis. 

 N. spliagni. = Heleopera picta. 



N. BARBATA, 119. 



Observations on Ehizopods, 197. 



Syalosphenia ligata. = Hyalosphenia cuxeata. 



h. papilio. 



Amceba verrucosa, 198. 



A. UMAX? 



The Birth of a Ehizopod, 1877, 261. 



EUGLYPHA ALVEOLATA, 262. 



Nebeht numata, 264. = Nebela collaris. 

 n. flabellulum, 265. 

 Arcella vulgaris, 265. 



On the Feeding of Dinamceba, 288. 



= Dinamceba mirabilis. 

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



Acanthocystis spinifera ? 

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



Campascus cornutus, 294. 

 Eemarks on American Species of Difflngia, 306. 



Difflugia proteiformis, 307. =D. globulosa. 



D. PYRIFORMIS. 

 D. ACUMINATA. 



D. compressa, var. of D. pyriformis. 

 D. entocliloris, var. of D. PYRIFORMIS. 

 D. URCEOLATA. 



D. olla, var. of Difflugia urceolata. 



D. CORONA. 



D. lobostoma. 



D. globularis. =DlFFLUGIA GLOBULOSA. 

 D. CRATERA. 



D. ras. = 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. bnilllica. =ASSULLNA SEMLNULUM. 



On Amoeba, 1878, 99. 



Amoeba chaos. = Amceba proteus. 



A. PROTEUS. 



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



Amceba qnadrilineata. = Young of Amceba verrucosa. 



A. natans, A. terricola, and Thccamaba quadripartite, as synonymous wifh 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. scmimihim. =Assulina seminulum. 



