728 Wisconsin Academy of Sciences , Arts, and Letters . 
EXPLANATION OF PLATE XLIII. 
Figs. 1 and 4. 
Figs. 2 and 5. 
Fig. 3. 
Fig. 6. 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Much-branched caeca of Micropterus salmoides, to 
show bifurcation. 
Abnormally branched caeca in Lepomis pallidus. 
The caeca of a specimen of Eupomotis gibbosus 
to show an abortive caecum. 
Abnormally branched caecum in Lepomis pallidus. 
Fused caeca in Pomoxis sparoides. 
Unusual branching of a caecum of Micropterus 
salmoides. 
Abnormally branched caecum in Micropterus do- 
lomieu. 
