FAUNA OF THE OUTER WESTERN AREA OF THE CHANNEL. 



293 



hauls were made with the dredges. Of these latter, fifteen were 

 bottom samples, most of them not exceeding one minute in working 

 duration ; fifteen were made with a 3 ft. rectangular dredge, averaging 

 twelve minutes in duration ; eighteen were made with a 3 ft. 6 in. rect- 

 angular dredge, averaging eight minutes in duration ; and seventeen 

 with an equiangular dredge, measuring 2 ft. on the side, averaging 

 seven minutes in duration. The short length of these hauls must 

 therefore be borne in mind in considering the intensity of occurrence 

 of any of the species recorded. In the following list of hauls all 

 positions are referred to their true bearing from the Eddystone Light- 

 house. Samples 16 to 30 inclusive were taken more especially as 

 rock samples, and in consequence only a rough record of species, made 

 on board at the time, was preserved. They have not therefore the 

 value of others in which the unidentified material was brought home 

 for examination. They concern, moreover, a limited area, from eighteen 

 to twenty-three miles outside the Eddystone, and in point of species 

 recorded from them are merely additional to other hauls made within 

 the same area. 



LIST OF HAULS. 



