Manchester Meuioi IS, F^/. ////'. (1909), iV^. !i 1 . 3 



T. rarmbilis (d'Orb.), Brady, Parker and Jones, ('88), 

 p. 227, pi. 45, fig. 17. 



T. variabilis (d'Orb.), Jones and others, ('96), p. 309, 

 pi. 6, fi£]f. 23. 



This occurs in two forms, one,* a small and rather 

 feeble outspread and coniplanate variet)', and the other * 

 which is present in great numbers, very large, coarsely 

 perforated, and often showing a number of heavily lipped 



'frtiiuatuHna variabilis, d'Orb. After Soldani. 



orifices. Except in the young stage, this latter variety 

 shows hardly two specimens alike. The contour of the 

 tests is often extraordinary, and the specimens are in 

 some cases, found enveloping the stalks of weeds. In 

 large examples, the perforations are very plainly seen, 

 even under low powers, and the coalescing of their edges 

 often forms an areolation over the whole surface. I had 

 been puzzled over the identification of these forms, but 



