-^- 113 ^<e 



PSEUDOSTICTODISCUS GRUN. 



Pseudostictodiscus angulatus Grun. in A. Schm. Atlas tab. 74, fig. 24—30; 0. W. 

 Simbirsk pg. 29, talj. 6, lig. 15 ; — tab. nostra 29, fig. 410. 

 Aitanino. 



FAMILIA ACTINOCYLEAE. 



ACTINOCYCLUS E. 



Actinocyclus boryanus u. s. — Di.scus cum ocello intramarginali, 

 appendieulis minutis marginalibu.s 9 et radiis ab appendicnlis ad centrum sub- 

 niidiim percurrentibus uotatus et sic in segmenta cuueata novem partitas ; 

 structura punctata ; puncta 10 in 10 |i. ad radios in linea.s radiantes, caeterum 

 in lineas parallelas decrescentes ordinata. — Diamet. 30^2 H- 

 Bori/. 



Actinocyclus bremianus n. s. tab. 3, fig. 39. — Discus convexus, 

 late-marginatus, margo striolatus, striolis 25 in 10 \i. cum ocello intramarginali, 

 appendicnlis marginalibus minoribus 9 — 15 et radiis cuneiformibus dilatatis, 

 ad centrum cum corona punctorum notatum percurrentibus, sic in segmenta 

 9 — 15 cuueata partitus, et cum figura asteroidea uotatus; structura punctata; 

 puncta in lineas radiantes longiores et breviores et in lineas obliquas ordinata, 

 ad centrum majoi-a 7^2 — 10 ^^ 10 \i. ad marginem minora et densiora 12^2 

 in 10 [i. — Diamet. 50 — 52 [i.; lat. marginis IV2 — 2 [jl. 

 Bi-emia. 



Actinocyclus disseminatus n. s. tab. 3, fig. 35. — Discus convexus 

 late-marginatus, margo striolatus, striolis 20 in 10 [-i.; appendicnlis nullis, ocello 

 raagno a margine remoto, radiis inconspicuis; centrum circulare nudum dila- 

 tatum; structura granulosa, granulis in lineas subspirales ordiuatis, ad centrum 

 majoribus 7^'2 — 10 in 10 [i. ad marginem minoribus 12 — 15 in 10 [x. — 

 Diamet. 40 [i. ; lat. marginis D/2 [a. 

 Breijiia. 



Actinocyclus Ehrenbergii Ralfs in Pritch. Inf. pg. 834; Van H. 

 Synops. tab. 123, fig. 7. 

 Bor//, Breinia. 



Actinocyclus Ralfsii W. Sm. in Pritch. Inf. pg. 835, tab. 5, fig. 84; 

 Van H. Synops. tab. 123, fig. G; — Eupodiscus Ralfsii W. Sm. Br. D. II, 

 pg. 86, Eupodiscus sparsus Greg. T. M. S. 185G, pg. 81, tab. 1, fig. 47. 

 Nagi/-Kurtds. 



Actinocyclus subtilis (Greg.) Ralfs in Pritch. Inf. pg. 835; Van H. 

 Synops. tab. 124, fig. 7, tab. 125, tig. 9, 11; Pant. Foss. Bac. Ung. I, pg. 

 ()0, tab. 14, fig. 124; — Eupodiscus subtilis Greg. Diat. of Clyde pg. 501, 

 tab. 20, fig. 50. 

 7;o>7/. 



15 



