FISHERY BULLETIN: VOL. 83, No. 4 



Figure 1.— The harbor porpoise study area with place names mentioned in text. The inset shows the study 



area in relation to the rest of the Bay of Fundy. 



fin. The teflon-covered bolts, passed through the 

 transmitter and plastic plates, were fastened with 

 corrodable, low grade steel nuts. 



The radio transmitters measured 3.2 x 3.8 x 6.0 

 cm and weighed about 170 g in air (Model 4-A, 

 Telonics,^ Mesa, AZ). The transmitting antennae 



544 



consisted of 43 cm semiflexible whips, designed 

 specifically for use with marine mammals. 

 Transmitted VHF signals (172-173 MHz) consisted 



^Reference to trade names does not imply endorsement by the 

 National Marine Fisheries Service, NOAA. 



