248 The Sarcodina 



WmM¥m 



Fig. 5. 33. AC. Difflugiidae; D-L. Euglyphidae. A, B. Cannjyasciis trique- 

 ter Penard (test 90-120yii long), lateral view (collar, surface detail at margin 

 of test); optical cross-section of test (after P.). C. Diaphorodon mobile Archer 

 (test 40-111^ lorig); t^cst is somewhat plastic, with added foreign particles 

 (after Penard). D. Assidina semilunum Leidy, x375 (after Hoogenraad). E, 

 F. Paraeuglypha reticulata Penard (test 55-'10/jl long), organism showing shape 

 of test; surface pattern (after P.). G, H. Paulinella chromatophora Lauter- 

 born (test usually 20-30;:i lo"g); surface view; optical cross-section of test, 

 position of mouth indicated (after Penard). I, J. Cyphoderia trochus Penard 

 (test usually 110-120;^ long); schematic longitudinal section; siuface pattern 

 of the hyaline scales (after P.). K, L. Qiiadrula discoides Penard (test 30-40/i 

 long), lateral and polar views (after P.). 



filopodia. Objections to such disregard of pseudopodial structure have 

 been raised (130), and it is possible that division of the order into a 

 larger number of appropriate families would illustrate natural relation- 

 ships somewhat more clearly than the present arrangement. 



