Please can anyone help
3 down Unit of capacity for measuring herrings
4 letters _R_N
Also 26 down Austrain physicist who devised a system of speed measurement 4 letters M _ _ _
also 24 across Enlarged cells in which usually eight spores are found
4 letters _S_I
Finally 28 across fast form of a board game
two words 9 and 5 _I_H_N_N_ _ _ _ _ S
27 down Prefix denoting blood 4 letters H _ _ _