36 
DIATOMACEZ. 
Famity XVI.—CYMBELLEA— con. 
No. Name. 
CocconeMA, Ehr. 
24 cistula, Ehr. ....+0. 
22 cymbiforme, Ehr. .. 
22 lanceolatum, Ehr... 
EncyonemMa, Kutz. 
24 cespitosum, Kuiz.. 
3 prostratum, Ralfs .. 
Ampuora, Ehr. 
7 affinis, Kutz. ...... 
29 binodis, Grreg....... 
43 hyalina, Kutz...... 
43 complexa, Greg..... 
29 leevis, Greg we eeeees 
41 littoralis, Dn. ...... 
52 membranacea, Sm .. 
54 minutissima, 2. sp.. 
47 Normani, 7. sp...... 
2 ovalis, Kutz. .eovece 
5 paludosa, 7. sp. ... 
16 salina, Sim. ....se0. 
5 spectabilis, Greg.. 
29 ventricosa, Greg.... 
Locatity. OccuRRENCE. 
Combermere ............| March’73..ve 
Llangollen ..............| Aug. ’72.....F 
Llangollen .........+.. .-| Aug. ’72...V € 
Combermere ............| March ’73..vr 
Queen’s Park ...........| May ’71....ve 
Queen’s Ferry...........| Dec. ’71.....¢ 
Ince Marsh .............| May ’74....vr 
Mostyn ..... = [ale lsis\e\elafalsios July ’75....v ¢ 
Mostyn...... bia cases cieste| Oly ipso teak 
Ince Marsh......++...++. May ’74....vr 
EUR licieeeiciete'sinaiesisieies\niove'e| (UUW) Colm etVal 
Holywell .ccsseses.csesiss Sept. ’73...vr 
Helsby Marsh ..........| March ’75..vr 
Bee NOR Sites soir at Dec. ’°71....v Fr 
Flookersbrook . oieois |) MAW Milos ee Wie 
SMUD RENIN) cayelaletersle s'e/stecslsts/ ois July 771 eos eek 
Connah’s Quay. ator aiacsfeyoreials May ’72 .....¢ 
.| Mostyn .. Srejeiereveisinre ele |ico Why iLanteatee r 
Ince Marshe....sseee esse May ’7/4....vr 
FAMILY XVII.—_GOMPHONEMEZ. 
GomrPHoNneEMa, Ag. 
acuminatum, EAr. .. 
9 capitatum, Ehr. .... 
Queen’s Park ....... 0.5. 
May ’71....ve 
Lache Lane.... 
March ’72....c 
13 constrictum, Ehr. ..| Frodsham Marsh...... ..| March’72..ve¢ 
6 curvatum, Kuéz.....| Canal, Chester...........| Sept. 71.....v¢ 
2 dichotomum, Kutz..| Flookersbrook ..........| May ’7l....ve 
26 geminatum, Ag.,,.,| Ceiriog River............ June ’73...vc¢ 
17 intricatum, Kutz. ...| Cwm Bychan deposit....| ........ sie var 
59 marinum, Sm.......| Wepre Brook............| Aug. 72......€ 
1 tenellum, Sm.......| Heron Bridge ...........| April’71....¢ 
22 vibrio, Ehr.........| Liangollen...... didsiecisiojs S|’ LLU e000 Doe ecualt 
* FAMILY XVIII._NAVICULEZ. 
Navicuta, Dn, 
61 abrupta, Greg. ....| Estuary of Dee.......... June ’72 ...vr 
17 acuta, Kutz. .......| Cwm Bychan deposit ....] ..sssseseeeeesl 
30 wstiva, Dn. ....... Gal wy nite caiwisnessicie sivicie July ’74....¥¢ 
10 affinis, Fhr...... ..-| Helsby Marsh ,......... March ’72....r 
40 alpina, Sm. .... Bialaa sistec cits seers sv ofa] ULV Onc Vil 
1 amphirhyncus, Ehr.| Heron Bridge arai'e ste detetel eae DI ILer dle ree 
46 ambigua, Ehr. ....| Railway Station.........| Nov. ’7].....7 
