-^8S 63 &>— 



tis, Striae parallelae, 177a in 10 jx. — Long. HPAs fx\ lat. frustulae a latere 

 primario visae I7V2 ju. 

 Bory. 



PLAGIOGRAMMA GREY. 



Plagiogramma biharense Pant. Foss. Bac. Ung. I, Ed. 2, pg. 34, 

 tab. 21, fig. 188, tab. 30, fig. 319—320; Pars II tab. 20. % 314. 

 Bory, Bremia. 



Plagiogramma? ooryanum n. s. — Icon. Pars III, tab. 4, fig. 55. 

 Probabiliter novum genus, cum valvis oblongis ad medium leniter inflatis et 

 costis 5 — 6 in 10 /u transversis perviis instructis. Spacium intercostale haud 

 visibile transverse striolatum. Spacium medianum, transversum nudum, ad polos 

 rotundatos spacium nudum. Linea media inconspicua. — Long. 40 fx\ lat. 9. 

 Bory. 



Plagiogramma neogradense Pant. Foss. Bac. Ung. I, Ed. 2, pg. 35, 

 tab. 8, fig. 63, 71, tab. 28, fig. 285. 

 Nagy-Kürtös. 



Plagiogramma salinarum n. s. tab. 6, fig. 119, tab. 15, fig. 267. 

 — Frustulis concatenatis, a latere primario visis rectangulis; membrana con- 

 nectivalis nuda biplicata, angulis obtusis, polis undulatis, lateribus striolatis, striis 

 punctatis 16 — 17V 8 in 10 ju medio interruptis. — Valvis oblongo-lanceolatis, 

 medio spacio nudo transverso magno notatis; striis transversis subarcuatis 

 punctatis 16 — 177a in 10 ju punctis 15 in 10 /x in lineas longitudinales rectas 

 dispositis. — Long. 277a — 29 /u; lat. frustulae a latere primario visae 14/*; 

 lat. valvae IOV2 /u. 

 Bory, Bremia. 



Plagiogramma Truanii n. s. — Icon Pars III, tab. 15, fig. 224; 

 tab. 24, fig. 351. — Frustulis concatenatis, a latere primario visis rectangulis; 

 membrana connectivalis nuda biplicata, angulis obtusis, polis undulatis, lateribus 

 striolatis, striis 15 in 10 ju punctatis, medio interruptis, hie nodulis duabus 

 signatis; valvis elongato-lanceolatis, ad polos obtusis rotundatis, spacio nudo 

 magno notatis, striolatis; striis transversis arcuatis 15 in 10 /* punctatis, 

 punctis in lineas rectas longitudinales ordinatis; spacium medianum nudum, 

 magnum transversum, 67a fi latum, quasi ocello dilatato ornatum. Linea 

 mediana inconspicua. — Long. 7l7a //; lat. frustulae a latere seeundario visae 

 20 fx\ lat. valvae 107 2 ju. 

 Bory. 



DMEREGRAMMA RALFS. 



Dimeregramma boryanum n. s. Icon Pars III, tab. 22 fig. 343. — 

 Frustulis concatenatis, a latere primario visis rectangulis, membrana connec- 

 tivalis nuda biplicata, angulis obtusis, polis quasi trigibbis; lateribus ad polos 

 constrictis, striolatis; striis 15 in 10 p punctatis. — Valvis angustis elongatis, 



