Yorkshire Xaturalists at Hampole. 



383 



Mr. M. H. Stiles sends the following list of Diatoms found on 

 the Excursion. 



No. I — Skellow Pool, Dam and Brook. 

 ,, 2 — Brook at Hampole. 

 ,, 3 — Brook in Skelbrooke Park. 

 4 — Adwick Dam. 

 The Nomenclature adopted is that of \'an Heurck, 



Spencerii Wm. Sm. 



Amphora ovalis Kntz. i, 3, 4. 

 Cymbella cistula Hempr var. macu- 

 lata 3. 



Cymbella cymhiformis Ehr. i, 3, 4. 

 Cymbella cymbiformis var. parva i. 

 Cymbella lanceolata Ehr. i. 

 Cymbella gastroides Kutz. i. 

 Cymbella cuspidata Kutz. i. 

 Encyonema prostratum Ralfs. i. 

 Encyonema ventricosum Kutz. 1, 2, ,4 

 Stauroneis Smithii Grun. 3, 4. 

 Stauroneis Phcenicenteron Ehr. 3. 

 Xavicula major Kutz. 3. 

 N avicula viridis Kutz. 3. 

 Xavicula viridis var. commiitata 3. 

 Xavicula oblonga Kutz. 3. 

 Xavicula gracilis Kntz. i, 3. 

 Xavicula amphisbcena Bory. i, 3, 4. 

 Xavicula cuspidata Kutz. 3. 4. 

 Xavicula limosa Kutz. i, 3. 

 Xavicula limosa var. gibberula 3. 

 Xavicula viridula Kutz. 3. 

 Xavicula viridula, forma minor i. 

 Xavicula viridula var. Slesvicensis 



3> 4. I 

 Xavicula peregrina Kutz. var. ! 



Menisculus i. 1 

 Xavicula radiosa Kutz. 2, 3, 4. 

 Xavicula radiosa var. ai;u^a i. 1 

 Xavicula elliptica i. 

 Xavicula Iridic Ehr. var. amphir- 



hynchus i, 3. 

 Xavicula Iridis var. dubia. 3 

 Xavicula Brebissonii Kutz. var 



subproducta 3. 

 Xavicula Gastrum fEhr.) Donk var, 



Xavicula Reiyihardtii Grun i, 3. 

 Xavicula cryptocephala Kutz, 2. 

 Xavicula sphcerophora Kutz. i. 

 PleuYOsigma attenuatum Wm. Sm, 

 i> 3'. 4- 



I, 3- 



Cymatopleura solea (Breb.j Wm. 3 



Sm. I, 3, 4. 

 Cymatopleura elliptica (Breb.j Wm, 



Sm. I, 3. 4. 

 Gomphonema constrictum Ehr, 

 Gomphonema acuminatum Ehr. i, 3. 

 Gomphonema montanum Schumann 



var. commutatum i, 3. 

 FflwA^wrc^m fM^garJsfThv.-.jH. V. H. 



I, 2, 4. 



Rhoicosphenia cuYvata fKutz.) Grun 

 I. 2, 4. 



Achnanthes lanceolata Breb. i, 3, 

 Cocconeis Pediculus Ehr. i, 2, 4, 

 Cocconeis P/o^en^u/a Ehr, var. lineata 

 i> 3.4- 



Epithemia gibberula Kutz. var. 

 t?t<c/a 3. 



Eunotia gracilis CEhi.) Rab i, 

 Eunotia arcus Ehr. i, 3, 

 Eunotia arcus var. bidens 3. 

 Eunotia pectinalis (Kutz.) 



forma curta i, 3. 

 S>wec?m pulchella Kutz. i, 2, 3, 4. 

 Synedra pulchella var. Smithii 

 Synedra pulchella forma major i. 

 S>)t5(fm L7na (Nitzschj Ehr. 2, 3. 

 Synedxa Ulna var. o;?r>TA>«cAMS 3 

 Synedra Ulna var. longissima i, 3. 

 Synedra Ulna var. lanceolata 1, 2. 

 Synedra Ulna var, splendens i, 2. 

 Syyiedra Ulna var. obiusa 1. 

 Synedra Acus fKutz. j Grun i, 3. ■ 

 Synedra capitata Ehr. i, 3. 

 Syyiedra Vaucherice Kutz. van 



parvula 3. 

 Fragilaria capucina Desmaziuret 



I, 4 



Fragilaria capucina var. inflata i. 



pro 



Rab 



igoS October i. 



