ORDER I FORAMINIFERA 3] 
porous. Abundant in Carboniferous Limestone, and according to Brady, also 
recent. 
Calearina, VOrb. (Fig. 35). Test discoidal, with dissimilar upper and 

A, Discorbina (Asterigerina) planorbis, V’Orb. Miocene (Leithakalk); Nussdorf, near Vienna. _B, Discorbina 
sp. Recent. a, Under side; b, Upper side; c, Lateral view; d, Median section. C, Planorbulina Mediter- 
ranensis, Orb. Recent; Mediterranean. a, Inferior surface ; ), Superior surface; c, Transverse section. 
lower surfaces, chambers spirally wound. Exterior encrusted with supple- 
mental skeleton, which fills up all depressions, and builds spiny or spur-like 

Fic. 34. 
A, Rotalia Beceari, Lin. Pliocene; Sienna, Italy. B, Pulvinulina Partschi, Orb. Miocene (Tegel); Baden, 
near Vienna. C, Endothyra Panderi, Moller. Carboniferous Limestone; Russia. 2%/;. D,’Endothyrw parva. 
Moller. Carboniferous Limestone; Russia. Longitudinal section. 100/,. ; ; 
appendages traversed by coarse canals. Upper Cretaceous to Recent. 
Particularly abundant in Maestricht Chalk. 
Tinoporus, Montf. Patellina, Williamson. 
The recent genera Carpenteria, Gray, Poly- 
trema, Gray, Lupertia, Jones, etc., are distin- 
guished by their extremely irregular, usually 
attached, coarsely perforated tests, which occa- 
sionally attain considerable size, and often 
contain agglutinated, sandy, or other foreign i” X 
particles. Thalamopora, Roem., occurring in | Pic. 35. 
the Cretaceous, probably also belongs to this (7M vate, Maestro 
family. Holland. 

Family 5, Fusulinidae. Moller. 
Test calcareous, perforate, polythalamous, fusiform or spherical, composed of 
numerous spirally inrolled whorls (symmetrically involute). The whorls are divided 
