259 



71 Goniolhecium Odontella 



72 — Rogersü 



73 Gallionella sulcata 



74 Grammatophora stricta 



* 75 I/aliomma Amphisiphon 



* 76 — nobile 



* 11 HELIOPELTA Leeuwen- 



hoekii 



* 78 — Eu/erii 



* 79 _ Dolhndii 



* 80 — Selligueii 



* 81 IlERCOTHECA mammillaris 



* 82 Lithocampe aculeala 



83 — antarctica? 



84 Mastogonia Actinopty- 



chus 



* 85 — Crux 



* 86 — heplagona 

 87 — Oculus 



Cbamae- 

 leontls 



* 88 — quinaria 



* 89 — Rota 



* 90 — sexangula 



91 Mesocena elliptica 



92 — triangula 



* 93 Navicula omphalia 



* 94 OMPIIALOPELTA areolata 



* 95 — cellulosa 



* 96 — punctata 



* 97 — versico- 



lor 



* 98 PERIPTERA Chlamido- 

 ,• phora 



* 99 — Tetraciadia 



100 Pinnularia Entomon 



101 (Dip/oneis) didyma 



102 Pyxidicula hcllenica 



103 (Dictyopyxis) cruciata 



104 {Stephannpyxis) aculeata 



* 105 {Xanthiopyxis) alata 



* 106 — constricla 



* 107 — globosa 



* 108 — ob longa 



* 109 Rhaphone'is Scolaris 



110 — Fusus 



111 Rhizosolenia? barbata 



112 - Calyptra 



* 113 — Campana 

 114 — Ornitho- 



glossa 



* 115 STEPHANOGONIA yua- 



dran- 

 gttla 



* 116 — poly- 



gona 



* 117 STYLONEIS Caduceus 



* 118 Synedra? incurva 



* 119 SYSTEPHAN1A aculeata 



* 120 — Corona 



* 121 — Diadema 

 122 Trachelomonas laevis 



* 123 Triceralium acutum 



* 124 — condecorum 



125 — obtusum 



126 — Reticulum 



* 127 — Solenoceros - 



* 128 — iindulatum < 



* 129 Zygoceros? Bipons 



* 130 — rftf^W 



B. Phytolitbaria: 

 131 Lithasteriscus tuberculosus 132 Lithodontium furcatum 



