2(^ 7 rue Fhh^t 



SfLVEk PERCH, SILVER SEA TROLT, 

 «K/r;ED SEA 7ROLX GRAY SEA TROLT 



/ /fod^ 4ef/tr, y/e/jfAf th/4n len;(th of h^ad 

 See S?l/e? Perch, p, 3%3, 



I/, /?/><// /:/>'^//? /^;f th/An len'^th of head 



Itee ^I'/e/ Sea T/r/ut, p, 'Ml. 



y^^. VO, hp,. (., h 



Pa^ y/j, ff^ C 



%tt Sp'/f^e/i Se;?» Inrutt p. 376, 



Pa^ 2//>, f/^ /^ 



