NATURAL SCIENCES OF PHILADELPHIA. 157 



shoe-like production. It resembles the Difflugia carinata of 

 Archer, but this appears to be devoid of the horse-shoe. 



Difflugia (Xebela) sphagni. Test pale \^ellowish, compressed 

 ovoid, width little more than half the breadth, borders obtuse, sur- 

 face reticular; mouth large, transversely elliptical and with acute 

 commissures. Entosarc bright green, from the multitude of chlo- 

 rophyl grains ; pseudopods numerous, digitate Lengtli y^yUim.; 

 breadth J^ mm. ; width ^^ mm. Very abundant among the sphag- 

 num of Absecom. In some specimens the border of the fundus of 

 the test is loaded with quartz particles. Frequentl^^ the animal is 

 observed in a passive state with the mouth of the test closed by 

 an epiphragm, and the sarcode appears as a discoid ball ^V ^^^'^'^' 

 broad, and -^-^ mm. thick. 



Difflugia (Nebela) numata. Test colorless, broadly com- 

 pressed pyriform, about half the width of the breadth, borders sub- 

 acute ; surface covered with oval or circular disks, resembling in 

 appearance blood disks ; mouth transversely oval. Entosarc trans- 

 parent, colorless or yellowish from the food contents, attached by 

 long bands to the inner peripliery of the test ; pseudopods coarse 

 digitate. Length i mm., breadtli y'^, width, ^^ mm. Abundant 

 in the sphagnum of Absecom, and Lake Hattacawanna, New 

 Jerse3\ A beautiful form. The discoid areolar structure is very 

 variable, and is frequently mingled with more oi' less bodies of 

 linear form. 



Difflugia (Xebela) barbata. Test colorless, circularly areo- 

 lated, slightl}' compressed bottle-shaped ; neck long, body ovoid, 

 mouth oval; surface of test everywhere finely hirsute. Entosarc 

 colorless, or yellowish from the food contents. Length ^ mm. ; 

 breadth of body oV mm., of neck ^'^ mm.; width of bodj' ^^ mm. 

 Rare in the sphagnum of Absecom, New Jersey. 



Difflugia (Nebela) plabellulum. Test colorless, compressed 

 spheroidal, broader than long and width less than half the 

 breadth ; neck slight or nearly obsolete ; surface of test with round, 

 oval and bacilliform areolae. Entosarc colorless, or centrally yel- 

 lowish from food balls. Length of test J^ mm. ; breadth -j-'^ mm. ; 

 width ^r mm. Abundant in the sphagnum of Longacoming 

 swamp, New Jersev. 



The business of the adjourned meeting of Sept. 29th having 

 been resumed, Charles Dutilh, George Washington Smith, J. E. 

 Mitchell, Jno. Leisenring, Charles Parrish, Charles Baeder, Wil- 

 liam Adarason, Charles B. Baeder, Wm. B. Adamson, Charles W- 

 Poultney, Karl Seller, M.D., and Mrs. Amelia D. Hockley were 

 elected members. 



H. W. Hollenbush, of Reading, Pa., Prof. Peter MacOwen, of 

 Somerset, East South Africa, J. Fayrer, M.D., of Calcutta, and 

 A. L. Siler, of Osmer, near Glendale, Utali, were elected Corre- 

 spondents. 



