vom 25. April 1872. 293 



78) Pylodexia Platytetras, testula 10 cellulis \'" superante, 

 aspera, ampla, cellulis subglobosis profunde discretis in ambitu 4, 

 primordiali cellula y^-g-'" lata, 5ta 2dam tangente, circulo primo 4 

 cellulis absoluto ^'" fere lato, apertura dextra amplissima, parie- 

 tibus valde crassis. In ostii aperturam inserta aliena particula 

 observata est. 



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

 1857 p. 142. 



79) Pylodexia rubra, aspera rubra, 9? cellulis yy" ; lata, pri- 

 mordiali cellula cum circulo primo obscura, cellulae magnae in 

 ambitu 3, spira sinistra, apertura rotunda magna dextra, pori densi 

 in papillarum apicibus in recta linea in ^g-'" fere 5. 



E mari aegaeo 420 ped. alto, cfr. Monatsbericht 1857 p. 



80) Piotalia groenlandica, parva, cellulis 8, yg-'" lata, cellula 

 media rotunda yfo"'", ^ ta 2dam attingente, circuitu primo -£$■'" lato, 

 cellulae aeque latae ac longae. Superficies laevis, parietes distincti. 

 Hyalina. Explorat. arct. navis Germ. I, mare Groenlandicum 450 

 ped. Icon ibid. Tab. I f. 15. Cfr. Monatsbericht 1869 p. 262. 



81) Botalia haliotina, 6 cellulis ■&%'" longa, B. auriculae ha- 

 bitu, prima cellula per magna -gV'", reliquis subito increscentibus 

 circulum non claudentibus. Superficies laevis, tenuis hyalina. 



E vado Lagullas Bank ad Caput b. sp. 360 ped. alto, cfr. Mo- 

 natsbericht 1863 p. 387. 



82) Botalia Ilegemanni, parva, cellulis 20, -gV'" lata, cellula 

 prima rotunda ^g-"', 10ma 2dam tangente, circuito primo ■£$'". 

 Ambitus laevis, paries tenuis. Superficies integerrima hyalina, 

 cellulae altiores quam latae. Explorat. arct. navis Germ. II, mare 

 Groenlandicum 3414 ped. Icon in Tab. I f. 2. 



83) Botalia microtis, parva, cellulis 12 -^j'" lata, cellula prima 

 rotunda parva ytö'" &va 2dam attingente, circuito primo ^g-'". Am- 

 bitus totus laevis, paries subtilis. Superficies dense punctato-ne- 

 bulosa, cellulae duplo altiores quam latae. 



Explorat. arct. navis Germ. II, mare Groenlandicum 3414 

 ped. Icon in Tab. 1 f. 5. 



83) Spiroplecta abyssorum, testula 11 cellulis ^j'" longa, cellu- 

 lam primam 5 cellularum circulus gV" latus includit, 6ta cellula 

 2dam attingente, reliquis 6 alternis oblongis. Media cellula y£g-'" 

 lata, reliquae superiores cellulae circuli diametrum margine paiuin 

 superant. Superficies laevis, poris in cellularuin margine inferiore 



