7G0 Bacillarieae, Striatellaceae, Climaconeis. 



CLIMACONEIS Grun. [1862] in Wien. Verhandl. XII, p. 421 (Etyin. 

 climax scala), Rabenh. Fl. Eur. Algar. I, pag. 305, De-Toni Os- 

 serv. tasson. Hacill. 1890, pag. 908, StiGtodesmis Grev. [1863] in 

 Edinb. New Phil. Journ. XVIII, p. 534. — Frustula bacillaria (li- 

 bera?), dissepimentis duobus scaliformibus instructa, valvse striato- 

 punctatse, costis nuUis. 



Obs. Generi Climacosphemce Ehr. ad Licmophoraceas perti- 

 nenti analogum. 



1. Climaconeis Lorenzii Grun. in Wien. Verhandl. 1862, p. 421, 3oc 

 t. VIII, f. 7, Sliclodesmis australis Grev. in Edinb. New. Phil. 

 Journ. XVIII, 1863, n. 5, t. I, f. 1-4, Climacosphenia linearis 

 Jan. et Rabenh. Diat. Hondur. p. 6, t. 2, f. 2, teste Grunow. — 

 Robusta; valvis lineari-lanceolatis, 150-240 u. longis, ad 12-13 a. 

 latis, medio et apicibus tumidis, striis transversis 20 in 10 u.. 



Hab. in fundo maris adriatici singulatim ad oras orientales 

 (LoRENz) ; ad ci Harvey Bay )) QueenslandiES et ad uPort de France » 

 Novae Caledoniae (RoBERTS, Greville); inter Bacillarieas ex 

 « Honduras )> reportatas (Kirchenpauer). 



2. Climaconeis Frauenfeldii Grun. in Wien. Verhandl. 1862, p. 421, ^^^^ 

 t. 7, f. 2 (facies connectivalis). — Delicata; frustulis e facie con- 

 nectivali visis anguste linearibus, apices versus leniter attenuatis; 

 striis transversis delicatissimis, 23 et ultra in 10 y..; valvis angu- 

 stissimis, 110-125 y.. longis. 



Hab. inter algas ad «ElTor» maris rubri, singulatini ■(Frau- 

 BNFELD). — Vix a prsecedenti specie distincta. Icon exacte Sticto- 

 desmidem australem Grev. ad Climaconeidem Lorenzii Grun. 

 relata refert. 



RHABDONEMA Kuetz. [1844] Bacill. p. 126 (Etym. rhabdos virga et 

 nema tilamentum), Rabenh. Fl. Eur. Algar. 1, pag. 305, Buffham 

 Conjug. of Rhabd. 1885 (ubi auxosporarum descr.), V. H. Syn. p. 165, 

 De Toni Osserv. tasson. Bacill. 1890, p. 908. — Frustula tabulata, 

 in fascias compressas continuas affixas vel stipitatas conjuncta, 

 dissepimentis planis ambitu celluloso-punctatis, foraminibus 1 vel 

 paucissimis peiforatis instructa, valvae ellipticaj vel lineari-lanceo- 

 latjfi, pseudorhaphe et striis transversis moniliformibus costisve 

 instructfe. Phffiophora granuliformia, sparsa. 

 Obs. Species omnes marinae vel fossiles, 



