vom 25. April 1872. 279 



Aristerospira Globigerina 1863 Monatsbericht p. 386 = Poly- 

 dexia Globig. 



8) Aristerospira heteropora, testula elegante, 9 cellulis y%'" su- 

 perante, laevi, sinislro spirae latere poris rotundis crebris perforato, 

 dextro latere poris raris stellatis instructo, primordiali cellula tti'" 

 lata, 6ta 2dam tangente, circulo yV" lato, cellulis tumidis margine 

 prominulis in ambitu 5, parietis crassitie cum spira crescente, inde 

 a 6ta cellula crassiore. 



E fundo maris atlantici 9600 ped. alto. Cfr. Monatsbericht 

 1857 p. 142. 



9) Aristerospira lepida, testula 11 cellulis -^V"' l & ta, laevi, te- 

 nera, subtilibus poris raris perforata, in dextro latere regularibus 

 paucioribus. Cellula primordiali -5-3-5-'" lata, 6ta 2dam tangente, 

 circulum -^'" latum 5 cellulis claudente; cellulis 5 in ambitu valde 

 prominulis , pariete subtenui. Cellulae primariae 4 imperforatae 

 reliquorum pori 1 — 6. 



E fundo maris atlantici 9780 ped. alto. Cfr. Monatsbericht 

 1857 p. 142. 



Aristerospira Megastoma 1863 Monatsbericht p. 386 = Pylo- 

 dexia Megastoma. 



10) Aristerospira Microstigma, testula 11 cellulis ^-'" lata, 

 leviter aspera subtiliter porosa, primordiali cellula y-gV" lata, 6ta 

 2dae insidente, circulo primo 5 cellulis absoluto -3V" lato, cellulis 

 in ambitu 5 turgidis prominulis, parietibus validis. 



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

 1857 p. 142. 



11) Aristerospira Nidulus, 11 cellulis ^j'" lata, prima y^-'", 

 6ta 2dae insidente. Circulus primus -5V'", cellulae in ambitu 5. 

 Superficies laevis laxe porosa, paries tenuis. 



Lagullas Bank Caput b. sp. 450 ped. alto, cfr. Monatsbericht 

 1863 p. 386. 



12) Aristerospira Omphalotetras , testula Globigerinae ha- 

 bitu, majore, aspera 11 cellulis ^'" superante, poris? parvis inter 

 tubercula positis, primordiali cellula parva yy^'" lata, 5ta 2dam vix 

 attingente, 6ta 2dae insidente, circulo primo cum 5ta y\'", cum 

 6ta ■£$"' superante. Cellulae profunde discretae in ambitu late 

 prominulae quaternae. Orificium rima submargine ultimae cellulae 

 prope umbilicum clausum. 



