vom 25. April 1872. 289 



ambitu 4 — 5 levius prominulis, parietibus crassis. Aperturae rima 

 partim conspicua. 



E fundo maris atlantici 11580 ped. alto, cfr. Mb. 1857 p. 142. 



Cfr. diagnosin Mb. 1861 p. 307. 



59) Planulina heterocyclia. testula parva 8 cellulis jfe'" lata, 

 laevi, poris parvis perforata, primordiali cellula parva -j-gV lata, 

 4ta 2dam tangente, circulo primo 4 cellulis facto -^'" lato, cellu- 

 lis in ambitu 5 late prominulis, parietibus tenuibus. 



Planulinae asperae statui juvenili forma prope accedit, his 

 characteribus longe differt. 



E fundo maris atlantici 9540 ped. alto, cfr. Monatsbericht 

 1857 p. 142. 



60) Planulina hexacyclia, testula 16 cellulis £-"' lata, laevis, 

 poris in utroque latere creberrimis punctiformibus perforata, pri- 

 modiali cellula ybh " lata? 6ta 2dam vix tangente, 7ma superante, 

 circulo primo 6 cellulis absoluto -^'" lato, cellulis in ambitu 5 le- 

 vius prominulis, parietibus a I2ma ad 14tam cellulam usque in- 

 crassatis, reliquis tenuioribus. 



E fundo maris atlantici 9780 ped. alto, cfr. Monatsbericht 

 1857 p. 142. 



61) Planulina Mauryana, testula 12 cellulis fere -^'" lata, 6ta 

 cellula 2dae insidente, primo circulo 5 cellulis constante -^'" lato, 

 cellulis in ambitu 5 bene discretis prominulis, parietibus crassis. 

 Aperturae rima obsoleta. 



E fundo maris atlantici 11580 ped. alto, cfr. Monatsbericht 

 1857 p. 142. 



62) Planulina Megalopentas, testula 11 cellulis y^-"' superante, 

 superficie aspera areolata poris parvis perforata, primordiali cellula 

 magna tt$'" lata, 6ta 2dam tangente, circulo primo ^V" lato, 5 

 cellulis perfecto, cellulis in ambitu 5 minus profunde discretis sed 

 prominulis, parietibus crassis. 



E fundo maris atlantici 9600 ped. alto, cfr. Monatsbericht 

 1857 p. 142. 



63) Planulina Micropentas, testula 14 cellulis yy'" fere aequaute, 

 superficie leviter aspera poris parvis sparsis perforata, primordiali 

 cellula parva ^jr"' lata, 6ta 2dae insidente; circulo primo 5 cellu- 

 lis constante -^'" lato, cellulis in ambitu 5 profunde discretis, pa- 

 rietibus crassis. 



