INDEX TO TRANSACTIONS. 
135 
Stauroneis rotundata, 85. 
„ scaplmlseformis, 85. 
Surface-fauna of mid-ocean, on the, 
by Major Samuel R.I.Owen, F.L.S., 
115. 
T. 
Triceratium grande ? 7. 
Robertsianum, 7. 
dulce^ 9. 
mammosum, 9. 
Triceratium piduratum^ 83. 
, 88. 
repletuniy 83. 
W. 
Wenham, T. H., on a binocular mi- 
croscope for high powers, 103. 
West, TufFen, F.L.S., &c., description 
of the skin cast by an ephemeron, in 
its pseud-imago condition, 69. 
„ „ on the 
structure of the egg in Scatophaga, 
67. 
XantUo]^yxi8? nmbomtus, 2. 
i-BllJTED BY J. E. ADLABD, BAETUOLOMEW CLOSE. 
