— 132 



siyndeudriuiu diadema Ëh. 



Synedra baculus Greg. 



— crystallina Ktz. 



— Nitzschioides var. acuminata Grun. 



— — var. obtusa Grun. 

 Terpsinoë intermedia Grun. 



Triceratium acutangulum Grun. 



— antiquum Pant. 



— arcticum Bright. 



— balearicum Cl. et Grun. 



— biquadratum Jan . 



— Brunii Pant. 



— condecorum Bright. 



— — var. neogradeosis. 



— elevatum Pant. 

 -*- favus Eh . 



— grande Bright . 



— GroTei Pant. 



— latum Grev. 



— lucidum Pant. 



— œadagascarense Grun. 



— microtis Grun. 



— Môllerii Pant. 



— muricatum Bright v. fossilis. 



Triceratium Pantocsekii A. S. 



— — ^ convexa. 



— PethoiPant. 



— pileus Eh. 



— pseudo arcticum Pant. 



— radiato punctatum A, S. 



— Rzehakii Pant. 



— Stockesianura Grev. 



— — var. moravica 



Grun. 



— Sturtii Pant. 



— suborbiculare Pant. 



— Thumii A. S. 



— trisulcum Bail. 



— — var . moravica 



Pant. 



— . undulatum Eh. 



— Wittii Jan. 



— — fa hexagona Pant. 



Xantiiiopyxis angulataEh. 



— oblongaEh. 



— pandurseformis Pant. 



Zygoceros circinus Bail. 



— quadricornis Grun. 



N° 239 SALT SEA-MANSFIELD (États-Unis) 



(Vase saumâtre) 



Campylodiscns bicostatus W. Sm. 



— ciypeas Eh. 



— eciieneis Eh. 

 Cymatoplenra elliptica var. rhomboidea. { 



IXitzscbia circnmsuta Bail. 



Surireila striatula Turp. 



— — var. biplicata. 



— — var. A. S. atlas 24/19. 



No 240 LEATE'S POND. — CONNECTICUT (États-Unis) 



(Saumâtre) 



Actinocyclas crassus W. Sm. 

 Actinoptychas areolatus Eh. 



Actinoptychns undulatus Eh. 

 Aniphiprora pulchaBail. 



