■^r 87 -^ 



Biddulphia saratoviana n. s. tab. Ifi, fig. 276. — Valvis elongato-laiifoolatis. polygiljhis 

 (7 — 11) polyseptis (8 — 12), late inargirialis, disseminate granulosis, ad polos acutis, cum cornubus 

 abreviatis. — Long, valvae 106 — 121 mmm. ; lat. 21 — 24 mmm. 

 Kdsiiefzl: 



Biddulphia tridentata E. Abh. 1844; Mikrogeol. tab. 18, fig. 52, 

 tab. 21, fig-. 24; Pritch. Infns. pg. 848; A. Sclim. Atlas tab. 118, fig. 13— 

 21. — tab. no.stra 15, fig. 253. 

 Bori/, Bronia. 



Var. andesitica n. v. — Cum 3 apertm-is ovalibus lateralibus; cornua 

 subrecta, valida, gibbu.s niedianii-s cum setis validi.s, elougatis armatus. — 

 Lat. frustulae 58 [i. ; altitude eornuum 27 |-i., gibbi 24 [a. ; puucta 8 in 10 [i. 

 in lineas rectas ordinatis. 

 Bory. 



Forma minor tab. 21, fig. 326. — Latit. 37 [i. ; altitude 23 V2 V- 

 Bory, Bremia. 



Biddulphia Tuomeyi (Bail.) Rop. T. M. S. 1859, pg. 8, tab. 1, fig. 

 1, 2; Pi-itcl). Inf. pg. 848, tab. G, fig. 10; Van H. Synops. tab. 98, fig. 2, 

 3; A. Sclini. Atlas tab. 118, fig. 1 — 7; tab. 119, fig. 1 — 5; Denticella poly- 

 mera E. Abh. 1844, pg. 266 ; Sill. Jour. Vol. 45, pg. 328, tab. 4, fig. 20. 

 Zygoceros Tuomeyi Bail. Sill. Jour. 1843, pg. 138, fig. 3, 4. 

 Bory, Bremia, Nayy-Kihfds. 



Var. bopyana n. v. — Valvis elongatis, ad medium leniter constric- 

 tis, cum dissepimentis 4 crassis; cornua crassa; jiuuctis 8 in 10 \i. in parte 

 media valvae subradiantibus et cum setis intermixtis, caeterum in lineas sub- 

 rectas dispositis. — Long. 127 [x. ; lat. ad medium 31 |j,., ad polos 5 \i., lat. 

 margin is 2'/2 V- 

 Bory. 



Var. elong-ata Pant. Foss. Bac. Ung. I, pg. 51, tab. 30, fig. 311. 

 Nayy-Kihios. 



Var. hungarica n. v. tab. 18, fig. 290, tab. 19, fig. 301, 303. — 

 Long, valvae 66V2 |<- i hit. 27 j^i. ; lat. marginis striolati 3 \.k. 

 Bory, Bremia. 



Biddulphia vasta n. s. tab. 22, fig. 338. — Valvis elongato-lanceo- 

 lato-ovatis, ad polos obtusis, late marginatis, ad marginem 3 undulatis, disse- 

 minate-punctatis, in parte media cum duabus setis validis; dissepimenta 4 

 crassa, transversa; cornua valida, ad summum subtilissime punctata. — Long. 

 119 [X.; lat. ad medium 51 |jl. ; lat. marginis 4 \i. 

 Nayy-Kiirtos. 



ODONTELLA (AG.) ORUN. 



Odontella boryana n. s. — Valvis convexis, ovato-rotundatis, radiali- 



ter punctatis, punctis 8 in 10 [.i. crassis, cornubus validis, umbilico elevato 



nudo. Frustulis rectis, elevatis, valvis bicornutis, grosse punctatis, cornubus 



crassis obtusis, a mcmbraua connectiva incisura lata nuda separatis; membraua 



