NORTHUMBERLAND AND DURHAM. 97 



3. L. striata, Montagu. Lagena vulgaris; var. gracilis, L. vul- 



garis, var. substriata. Rec. For. Gt. Br. PL I, figs. 12, 

 13, 14. 



Abundant. 



4. L. semistriata, Will. Lagena vulgaris, var. semistriata. 



Rec For. Gt. Br. PL I, figs. 8, 9. 



Common. 



5. L. globosa, Montagu. Entosolenia globosa. Pec. For. Gt. 



Br. PL I, figs. 15, 16. 



6. L. marginata, Montagu. Entosolenia marginata, and vars. 



lucida, ornata, lagenoides, and quadrata. Rec. For. Gt. 

 Br. PL I, figs. 19 to 28. 



Abundant. 



7. L. squamosa, Montagu. Entosolenia squamosa ; E. squamosa, 



var. scalariformis, and var. hexagona. Rec. For. Gt. Br. 

 PL I, figs. 29, 30, & 32. 



Somewhat common. 



8. L. melo, U Orb. Entosolenia squamosa, var. catenulata. 



Rec. For. Gt. Br. PL I, fig. 31. 



Berwick Bay, rare. 



9. L. caudata, IP Orb. Entosolenia globosa, var. lineata. Rec. 



For. Gt. Br. PL I, fig. 17. 



Rare. 



10. L. distoma, P. Sf J. [PL XII, fig. 4.] 



This is a rare variety, and its delicacy and minute size render 

 it liable to be overlooked even when present in dredged sand. 

 A single specimen from Shetland described and figured with 

 other forms new to Britain in the paper before alluded to (Trans. 

 Linn. Soc, vol. XXIV, p. 467, plate XLYIII, fig. 6), is the 

 only instance hitherto recorded of its occurrence in our seas. 

 From the Northumberland and Durham coast, about twenty 

 specimens in all have been collected. From Holy Island on the 



it 



