Laguna Marine Laboratorp BU 
of Laguna contain thousands of individuals, so that large numbers 
were taken at different times during the summer. Considerable in- 
terest attaches to this species because of its remarkable color varia- 
tions. In the open, lighter pools specimens are very light; among 
the green alge in certain pools they have a greenish color; in pools 
containing a variety and abundance of plant life they are usually 
mottled and blotched, often with brilliant colors; and in the deep, 
narrow pools they are almost invariably dark. It would be impos- 
" Figures 9 and 10. Clinocottus analis 
Fig. 9, Ventral view of visceral and branchial organs. Fig. 10, Alimentary canal 
removed. Showing pharyngeal teeth. H, Heart. L, Liver. T, Testis. O, Stomach. 
K, Kidney. F, Urinary bladder. V, Vent. P, Papilla. Numbers refer to correspond- 
ing regions in the alimentary canal. 
