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THE ALGA-FLORA OF CAMBRIDGESHIRE. 267 
Class BACCILLARIEA. 
der RapHipIEx 
Fam. oa, 
3. AMPHORA OVALIS Kiitz, 2. Dernford Fen, 1 mile S. of 
Shelford. 3. Ditch, St. John’s Gollexe” ‘* backs,”’ Cambridge ; 
Sheep’s Green, Cambridge; Wimpole tank Orwell. 5. Fordham 
Wicken Fen; Chippenham Fen. 6. Near Ely. 7. Sutton West 
Fen; near March. 8. Rij ermgse 
Var . Pevicuxus Kiit Syn. A. minutissima W. Sm. 3. Lord’s 
Bridge ; Wimpole Pak ilaeey to Nitzschia sigmoidea. 5. Chip- 
penham Fen. 
274. Cympetta Eurenserci Kitz. 8. Wimpole Park. 5. 
Wicken Fen. 
275. C. cuspmata Kiitz. 8. Cambridge; Orwell. 5. Fordham; 
Wicken Fen. 7. Sutton West Fen. 
276. C. arrinis Kiitz. 8. Comberton; Wimpole Park. 6. 
Sutton; near Ely. 
*977. C. peicatuta Kiitz. 5. Chippenham Fen. 
278. C. pavis Nag. 65. Wicken Fen; Chippenham Fen. 
279. C. castrorpes Kiitz. 3. Wimpole Park. 
280. C. — tata (Khrenb.) Kirchn. Syn. Cocconema lanceo- 
latum Ehre 2. Dernford Fen, 1 mile 8. of Shelford. 8. Ditch, 
St. John’s Gallege ‘backs,’ Cambridge ; Sheep’s Green and Barton 
Road, near Cambridge; Hardwick; Lord’s Bridge; Wimpole Park. 
5. — Wicken Fen; Chippenha am Fen. 
iv china ee (Kiitz.) Bréb. Syn. Cocconema re me 
(Kiits.) Ehrenb. 38. Sheep’s Green, Cambridge; Hardw 
pole Park. 4. Hi ston. 5. Wicken Fen; Bessnachans gt 
n. 
Var. parva (W. Sm.) Van Heurck. ae Cocconema parvum 
W. Sm. 3. Harlton; Comberton ; tte . Wicken Fen 
282. C. = prom Kire ay Cocconema Cistula 
Hempr. 2. Dernford Fen, 1 ie "8. of Shelford. 8. Ditch, 
St. John’s ergy oh ‘ Beoks,” Cambridge; Sheep’s Green, Cam- 
bridge; Lord’s Bridge; Wimpole Park. 5. Wicken Fen. 6. Ros- 
well Pits 
283. Ex CYONEMA TuRGIpuM (Greg.) Grun. Se lige turgida 
Greg. 3. apa s Green, eae Lord’s 
84. aspitosum Kiit 3. Sheep's pe Cambridge ; 
tion Lond s Bridge ; Orwell. 4. Histon. 5. Wicken Fen. 
285. E. venrricosum (Ag.) Kiitz. Syn. Cunmbella ventricosa Ag. 
. Dernford Fen, 1 mile §. } aoc 3. Sheep’s Green, Cam- 
ane 7. Sutton West Fen 
286. Masrociora tanceoiata Thwaites. 8. Wimpole Park. 65. 
Wicken Fen; Chippenham Fen 
287. M. exieuva Lewis. 8, qayhinns, 
