KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 19. N:0 4. 113 



variation in its proportion to the horizontal one and thus distended forms sometimes 

 present theinselves somewhat diverging from the flat type. Intermediate forms between 

 P. Menardii and repanda and also P. Micheliniana d'Orb. are occasionally met with. 



This species is next to Glohigerina bidloides and imiversa the most common rhi- 

 zopode in deep water and attains a diameter of 1,50 mm. aud more. 



The raost beautiful and exact delineation of this species ever given is to be found 

 in l'rof. Wywille Tomsons great work The »Challengers» Exped., the Atlantic, 1, p. 

 218, iig. 48. 



Figg. 289 — 291: the flat form of Pulv. Menardii d'Orb. 



Figg. 292 — 294: more distended form. 



Fig. 295: very young. 



Syn. Botalia Menardii D'OttB., 1826, Tab. metli..; An. Se. Nat. 7, p. 273, N:o 26; Mod. 10. 



Pulvin. repanda var. Paek. et Jones, 1865, North. Atl. and Aret. Oc; Pliil. Träns. 155. 1, 



p. 394, t. 16, %g. 35—37. 

 » 1) var. Menardii, subvar. pauperata Park. et Jones, ibidem p. 395, t. 16, figg. 



50—51. 

 PRotalina spinimargo Rss., 1849, Neue For. österr. tert. Beck.; Wien. Ak. Dkschr. 1. 1, p. 371, 



t. 47, fig. 1. 

 » cultrata d'Okb., 1839, Cuba, p. 76, t. 5, figg. 7—9. 



» i> Bailey, 1850, Micr. Exam. of Soundings; Smitlis. Contr. Knowl. 2, Ai-t. 3, 



p. 11, figg. 14—16. 

 Rosalina asterites Gumb., 1868, For. nordalp. Eocän.; K. Bayr. Ak. Wiss. 1. 10. 2, p. 658, 



t. 2, fig. 101. 

 Discorb. saceliarata Schwag., 1866, Kar.-Nikobar.; Novara Reise, geol. Tli. 2. 2, p. 257, t. 7, 



fig. 106. 

 Botalia paupereula Stache, 1865, Tert. Merg. Wliaingar. Hafen; Novara Reise, geol. Th. 1. 2, 



p. 277, t. 24, fig. 27. 

 » canariensis u'Orb., 1844, lies Caiiaries p. 130, t. 1, figg. 84 — 36. 



PTruncat. budensis Hken., 1875, For. Clav. Szåb. Sch. p. 75, t. 8, fig. 6. 



Pulvin. erinaeea Kärr., 1868, Mioo. Fauna Kostej; Wien. Ak. Sitz.-Ber. 1. 58, p. 187, t. 5, 



fig. 6. 



b) in Pulvin. M icli eli n ianam d'Orb. transgredien s: 



Pulvin. repanda var. Menardii subvar. canariensis Park. et Jones, 1865, North. Atl. and Aret. 



Oc.; Phil. Träns. 155. 1, p. 395, t. 16, (igg. 47—49. 

 Rotalina dubia u'Orb., 1839, Cuba, p. 78, t. 2, figg. 29—30. 



» crassa i)'Orb., 1839, Por. Craie bl. Paris; Méni. Soc. geol. France 4, p. 32, t. 3, 



HS- 7—8. 

 " bimammata, eampanella Gijmb., 1868, Nordalp. Eoc; K. Bayr. Ak. Wiss. Abli. 1. 10. 3, 



p. 649—650, t. 2, figg. 85—86 (an Pulv. Schreibersi var.). 



c) in Pnlviu. rep an dam Ficht. et Moi.L. tra nsgrediens: 



Rotalina umbonata Rss., 1851, Sept. Thon Berlin.; Zeitschr. deutseh. geol. Ges. 3, p. 75, t. 5, 



fig. 35. 

 Pulvin. » Hken., 1875, Olav. Szdb. Sch., p. 77, t. 9, fig. 8. 



formosa Ess., 1864, Oberburg; Wien. Ak. Dkschr. 1. 23, t. 1, fig. 14; 1869, Oligoc. 



v. Gaas; Wien. Ak. Sitz.-Bor. 1. 59, p. 464, t. 3, fig. 1. 



K. Vet, Ak. H.indl. Bd. 19. N:o 4. -15 



