REV. E. N. BLOOMFIELD OX THE ALG.-E OF SUFFOLK. 777 
Navicula digitato-radiata, Greg., var. cyprinus, Van 
Heurck. Common. 
„ DIVERGENS, Ralfs. Bury, &c. 
,, Brebissonii, Kiitz. Common. 
,, Johxsoxii, W. Sm. Ipswich. 
,, mesolepta, Ehren. Common. 
,, Rabenhorstii, Griin. Common. 
>> CRUCICULA, Van Heurck. Frequent. 
Vanhewickia rhomboides, Breb. Near Ipswich. 
Stauroneis Piicenicexterox, Ehren. Common. 
,, axceps, Ehren. Bury, &c. 
»> >> var. linearis, Van. Heurck, Bury, &c. 
Pleurosigma acuminatum, Griin. Bury, Ipswich, &c. 
„ ATTENUATUM, W. Sm. 
„ Spencerii, W. Sm. Bury, Boynton, &c. 
Gomphonema Augur, Ehren. Bury, &c. 
,, CONSTRICTUM, Ehren. Frequent. 
,, acuminatum, Ehren. Frequent. 
,, olivaceum, Ehren. Common. 
Rhoicosphenia curvata, Griin. Common. 
Encyonema prostratum. Ralfs. Bury. 
„ c.espitosum, Kiitz, Felixstowe. 
Cymbella affinis, Kiitz. Frequent. 
CUSPIDATUM, Kiitz. Frequent. 
,, Ehrexbergii, Kiitz. Frequent. 
C-OCCONEMA lanceolatum, Ehren. Common. 
„ cymbiforme. Ehren. Frequent, 
,, Cistl'LA, Ehren. Frequent. 
Amphora salixa, W. Sm. Ipswich, Walton Ferry. &c. 
,, hyalina, Kiitz. Ipswich, Walton Ferry, Sec. 
,, ovalis, Kiitz. Common. 
,, „ var. affinis, Kiitz. Ipswich. Walton 
„ Ferry, &c. 
„ „ var. pediculus, Kiitz. Bury. 
Epithemia turgida, W. Sm. Frequent. 
,, sorex. Kiitz. Frequent. 
„ zebra, Kiitz. Frequent. 
„ gibba. Kiitz. Frequent. 
