FAMILY 1. ALLOGROMIIDAE 57 



form, flattened, more or less angular, from the angles are long, 

 fine, somewhat branching pseudopodia. 

 Recent. Shallow water of North Sea. 



Genus PLAGIOPHRYS Claparede and Lachmann, 1858 



Plate 1, figure 4 

 Genoholotype, Plagiophrys cylhidrica Claparede and Lachmann 

 Plagiophrys Claparede and Lachmann, Mem. Inst. Geneva, vol. 6, 1858, 

 p. 453. 



No definite test apparent, body short, cylindrical, pseudopodia 

 from one end, the opposite end rounded. 

 Recent. Fresh water. 



Genus DACTYLOSACCUS Rhumbler, 1894 



Plate 1, figure 5 

 Genoholotype, Dactylosaccus vermiformis Rhumbler 

 Dactylosaccus Rhumbler, Zeitschr. Wiss. Zool., vol. 57, 1894, p. 601. 

 Test thin, chitinous body tubular and variously twisted, 

 pseudopodia thrust out from irregular finger-like processes. 

 Recent. Marine, off Scandinavia. 



Subfamily 2. AUogromiinae 



Test chitinous, sometimes strengthened by attached foreign 

 bodies scattered over the surface; apertures definitely placed, 

 one or two, and the pseudopodia sent out only through these 

 openings. 



Marine and fresh water forms. 



Genus ALLOGROMIA Rhumbler, 1903 



Plate 1, figures 6, 7 

 Genoholotype, Craterina mollis Gruber 

 Allogromia Rhumbler, Arch. Prot., vol. 3, 1903, p. 203. 

 Gromia Dujardin, Ann. Sci. Nat., ser. 2, vol. 8, 1837, p. 312 (not Gromia 



1835). 

 Craterina Gruber, Nova Acta Acad. Leop., vol. 46, 1884, p. 488 (not of 

 St. Vincent, 1824). 



Test spherical to ovoid, somewhat flexible, thin, chitinous, of 

 variable thickness ; aperture terminal, single. 

 Recent. Marine. 



