PLATE XXVII. 



Varieties of Schistocerca on the Galapagos Islands. 



Natural size. Drawn bj Miss Mary H. Wellman. 



Fig. I. Schistocerca fnelanocera, female. Charles Island. 



2. " tniermedt'a boreah's, female. Abingdon Island. 



3. " intermedia, female. Duncan Island. 



4. " literosa discoidalis^ female. Chatham Island. 



5. " fnelanocera lineata, female. Iguana Cove, Albemarle 



Island. 



6. " melanocera immaculata, male. Indefatigable Island, 



(454) 



