210 University of California Publications in Zoology [Vol. 1." 



a. — accumulator sjiring. 



6. — net-bucket. 



c. — cable. 



fh. — supporting chain. 



fl. — clamp for attaching apparatus. 



CO. — closing cover. 



C.S. — coiled spring. 



e. — excentric rod. 



h.p. — headpiece of net (impervious) 



(. — latch for locking rack (t.c). 



Abbbevi.\tions 



Id. — water-bottle lid. 



m\ and m'. — opening messengers. 



/«-. and m'. — closing messengers. 



II. — netting. 



r. — supporting rod. 



rm. — net rim (37 cm. diameter). 



i:s. — rack spring. 



r.t. — rod trip. 



t. — messenger trips. 



t.r. — thermometer rack. 



iv.b. — water bottle. 



