448 Silesia) Poland : Van Heurck 429 : Navicula mesolepta v. stauroneiformis Silesia) Poland : Van Heurck 429 : Surirella angusta Silesia) Poland : Van Heurck 429 : Surirella pinnata W. Smith Silesia, see (Wroclaw) Poland : Cyanstein 68, 73, 76, 93; H.L. Smith 320; Van Heurck 130 Sil un, Prusse : see (Silesia) Poland : Van Heurck 3, 52, 136, 216, 342, 429 Sing Sing (New York) US : H.L. Smith 319 : Navicula semen Ehrenberg Sint-Josse-ten-Noode (Br匾ant) Belgium : Van Heurck 70 : Navicula humilis Donkin Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 124 : Amphora ovalis v. affinis Kitzing Sint-Josse纯-ten-Noode (Brabant) Belgium : Van Heurck 124 : Navicula sphaerophoara Kützing Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 235 : Achnanthes lanceolata Grunow Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 425 : Surirella ovalis Brébisson Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 479 : Cyclotella meneghiniana Kützing f. minor Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 479 : Navicula lanceolata Kützing v. [unnamed] Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 479 : Nitzschia linearis f. minor Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 479 : Nitzschia palea Sint-Josse-ten-Noode (Brabant) Belgium : Van Heurck 479 : Synedra acus Kützing Sint-Laurent (Antwerpen) Belgium : Van Heurck 57 : Navicula viridis v. commutata Grunow Sint-Laurent (Antwerpen) Belgium : Van Heurck 57 : Nitzschia linearis Sint-Laurent (Antwerpen) Belgium : Van Heurck 289 : Eunotia lunaris Sint-Laurent (Antwerpen) Belgium : Van Heurck 289 : Synedra radians Kützing f. parva Sint-Laurent (Antwerpen) Belgium : Van Heurck 289 : Tabellaria flocculosa Sint-Truiden (Limburg) Belgium : Van Heurck 251 : Epithemia turgida Kützing Sint-Truiden (Limburg) Belgium : Van Heurck 251 : Melosira crenulata v. [unnamed] Sisian (Armenian SSR) Soviet Union : H.L. Smith 101 : Cyclotella castracaniensis Eulenstein Skaggerak, see Bahusiam Mare Skalitz (Wroclaw) Poland : Rabenhorst 664 : Stauroneis phoenicenteron (Ehrenberg) Kützing Skalitz (Wroclaw) Poland : Rabenhorst 805 : Synedra atomus Nägeli Skalitz (Wroclaw) Poland : Rabenhorst 881 : Amphora minutissima W. Smith Skalitz (Wroclaw) Poland : Rabenhorst 881 : Nitzschia sigmoidea Skalitz (Wroclaw) Poland : Rabenhorst 1061 : Amphora minutissima W. Smith Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Nitzschia sigma Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Navicula pelliculosa Hils e Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Synedra atomus Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Synedra minutissima v. pelliculosa Kützing Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Synedra perpusilla Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Synedra pusilla Skalitz (Wroclaw) Poland : Rabenhorst 1485 : Pinnularia major Rabenhorst Skalitz (Wroclaw) Poland : Rabenhorst 1822 : Synedra biasolettiana Kützing Skalitz (Wroclaw) Poland : Rabenhorst 1822 : Synedra perpusilla Kützing Skalitz (Wroclaw) Poland : Rabenhorst 1265 : Synedra minutissima v. pelliculosa Kützing Skalitz, see also Strzelin (Wroclaw) Poland : Rabenhorst 664, 805, 809, 1485, 1822 Skalitz [? = Sealitz, Scalitz], see also Sealitz (Wroclaw) Poland Skane, see (Kristianstad) Sweden) Cleve & Möller 25, 72, H.L. Smith 606; see (Malmhus) Sweden : Cleve & Möller 224, 225 Skaraborg) Sweden :: see Grimstorp, Grimstorpjön, Sandhem Skazal ([?]) Hungary : Kneiff & Hartmann 2537 : Nitzschia acuminata Grunow Skinnkatteberg (Västmanland) Sweden : Cleve & Möller 17 : Ceratoneis arcus Kützing Slite (Gotland) Sweden : Cleve & Möller 41 : Gomphonema balticum Cleve Slite (Gotland) Sweden : H.L. Smith 644 : Cocconema parvum Slite (Gotland) Sweden : H.L. Smith 644 : Cymbella laevis Nägeli Slite (Gotland) Sweden : Rabenhorst 1861 : Rhizophidophora nubecula Kützing Slite (Gotland) Sweden : Rabenhorst 2282 : Podosphenia lyngbyei Kützing Sluknov (Severočeský) Czechoslovakia : Rabenhorst 806 : Melosira varians C. Agardh Snezka (Východočeský) Czechoslovakia : Rabenhorst 1491 : Fragilaria virescens Ralfs Södermanland) Sweden :: see Mälaren, Nyköbbing Somerset) England :: see Minehead, Weston, Weston-super-Mare Somersetshire, see (Somerset) England : Cleve & Möller 202, 248; Rabenhorst 1862, 1863 Somme) France :: see Abbeville; Amiens; Hourdel, Point de; Le Crotoy; Long; Saint-Valéry-sur-Somme Somme [Embouchure], see Hourdel, Point de (Somme) France : Cleve & Möller 255; see Le Crotoy (Somme) France : Cleve & Möller 247 Sonderhausen, see Numburg (Erfurt) GDR : Rabenhorst 361, 742