PREFACE. 
The following pages may be considered a census of the col¬ 
lection of the Author, and therefore of little more than local 
value. 
The synopsis of the Fauna is far from being complete, 
since circumstances have prevented much addition to obser¬ 
vations made many years ago, when, perhaps, experience in 
such investigations was less matured, though opportunity 
might have been more ample. It may be regarded, indeed, 
as a list of the more conspicuous forms in each group; for 
with so wide a field nothing like an exhaustive catalogue 
could be attempted. The latter circumstance, however, may 
prove an encouragement to those who may be interested in 
the subject, from the facility with which additions can be 
made to the lists. 
The beach at St. Andrews has afforded a harvest to numerous 
zoologists. The late Dr. John Reid, Professor of Medicine, 
made many original observations on the Nudibranchiate 
mollusks, molluscoids, and Polyzoa. The genial and dis¬ 
tinguished Prof. Edward Forbes also knew the value of the 
specimens thrown ashore on the West Sands. The late Dr. 
G. E. Day (the accomplished successor of Dr. J. Reid), aided 
by Miss Ottd, always encouraged his students to cultivate a 
knowledge of the riches of the bay. The late Dr. Fraser 
