8o 



BULLETIN OF THE BUREAU OF FISHERIES. 



presents a greater diversity of conditions than that of the latter, rendering it a fit habi- 

 tation for a greater variety of life. Such a view is in no way inconsistent with the 

 supposition that the number of species per unit area is as great, or even greater, in 

 Buzzards Bay. This matter will be referred to later. 



VI. Number of Species Taken One or More Times During the Dredging." 



a This table relates to the "regular" stations only, 

 mined ones in these computations. 

 fr Bryozoa not included. 



Species of uncertain identity have been included along with the deter- 



5. EXPLANATION OF THE FAUNAL CATALOGUE. 



Part III of the present work consists of a catalogue or annotated list of the fauna 

 of the Woods Hole region. The extent of territory comprised within the limits of the 

 "Woods Hole Region," as here conceived, has already been indicated in chapter i, of 

 the present volume, where we have likewise discussed the sources of information upon 

 which the present catalogue is based. 



It is true that an insignificant proportion, numerically considered, of those who fre- 

 quent the laboratories at Woods Hole at the present time are interested primarily in 

 systematic zoology or botany. But every working biologist, whatever his specialty, 



