Laguna W@arine Laboratory 59 
above. The figure shows a photograph of the egg mass with the 
fish around it, (not in situ). 
Visceral anatomy: The abdominal cavity is long, slender and 
compressed, corresponding to the general shape of the fish. The 
alimentary canal is peculiar in being perfectly straight from mouth 
to vent, a condition not found in any other blennies examined. Three 
divisions, fore, mid and hind-gut are made evident by constrictions 
as shown in the figures, but no differentiated stomach, and no ceca 
are found. The gonads of each sex are apparently single, as shown. 
Lying along the alimentary canal are two characteristic, elongate 
bodies (v) which are apparent in all of our specimens, and which 
appear to be definite organs, but a histological examination shows 
od 
30 31 
Figures 30 and 31. Xiphidion rupestre 
Vig. 30, Ventral view of viscera entire. Fig. 31, Same, with organs separated. 
A, Liver. B, Spleen. C, Pyloric caeca. D, Urogenital organs. E, Pyloris. 
