200 
DIATOMACE2E FEOM HEETFOED, 
Navicula binordis, Ehr. 
,, Pacillum, Ehr. 
,, Kostellum, TV. Sm. 
,, Gastrum, Ehr. 
,, limosa, Kutz. 
,, Tabellaria, Ehr. 
,, gentilis, Eonk. 
Pinnularia major, W. Sm. 
,, viridis, TV. Sm. 
,, oblonga, TV. Sm. 
,, lata, TV. Sm. 
„ acuta, TV. Sm. 
,, radiosa, TV. Sm. 
,, gracilis, Ehr. 
,, viridula, TV. Sm. 
,, divergens, TV. Sm. 
,, stauroneiformis, TV. Sm. 
,, gibba, Ehr. 
,, mesolepta, Ehr. 
,, interrnpta, IV. Sm. 
,, borealis, Ehr. 
Stauroneis Phcenieenteron, Ehr. 
,, gracilis, Ehr. 
,, acuta, W. Sm. 
,, anceps, Ehr. 
,, -- var. gracilis, Rab. 
,, linearis, Ehr. 
Pleurosigma attenuatum, TV. Sm. 
,, laeustre, W. Sm. 
,, Spencerii, TV. Sm. 
Synedra lunaris, Ehr. 
,, bi-lunaris, Ehr. 
,, pulchella, Kutz. 
,, minutissima, Kutz. 
,, radians, TV. Sm. 
,, Ulna, Ehr. 
,, oxyrbynchus, iTwte. 
,, obtusa, IF. *S’m. 
,, capitata, Ehr. 
,, delieatissima, Sm. 
,, bamata, 7F. -S'm. 
,, Yaucheriee, iTwte. 
,, tenera, TV. Sm. 
Cocconema lanceolatum, Ehr. 
Cocconema cymbiforme, Ehr. 
,, Cistula, Ehr. 
,, parvum, TV. Sm. 
Gomphonema constrictum, Ehr. 
,, acuminatum, Ehr. 
,, cristatum, Ralfs. 
,, dicbotomum, Kutz. 
,, tenellum, JF Sm. 
,, capitatum, Ehr. 
,, olivaceum, Ehr. 
,, intricatum, Kutz. 
,, Vibrio, FAr. 
,, curvatum, iTwte. 
,, Cygnus, Ehr. 
Meridion circulare, Ag. 
Himantidium pectinate, Kutz. 
,, Arcus, W. Sm. 
,, gracile, Ehr. 
Odontidium mutabile, TV. Sm. 
,, Tabellaria, TV. Sm. 
,, Harrisonii, TV. Sm. 
,, parasiticum, TV. Sm. 
Denticula tenuis, Kutz. 
,, sinuata, TV. Sm. 
Fragillaria capucina, Eesm. 
,, virescens, Ralfs. 
Acbnantbes subsessilis, Kutz. 
,, exilis, Kutz. 
,, inflata, Grunow. 
Acbnantbidium lanceolatum, Ee Brdh. 
,, lineare, W. Sm. 
Diatoma vulgare, Rory. 
,, elongatum, Ag. 
Tabellaria flocculosa, Kutz. 
,, fenestrata, Kutz. 
Melosira varians, Ag. 
Ortbosira arenaria, TV. Sm. 
,, orichalcea, TV. Sm. 
,, spinosa, TV. Sm. 
Encyonema prostratum, Ralfs. 
,, csespitosum, Kutz. 
Colletonema vulgare, Thw. 
,, neglectum, Thw. 
,, subcobserens, Thw. 
