354 



REPORT 1856. 



distribution. A. Species as yet only known from the Gulf, including Maz- 

 atlan and St. Bias. — B. Species found in the Gulf and Central America, 



from Acapulco to Gulf Dulce. — C. Gulf and Panama D. Gulf and S. 



America — E. Gulf and Galajmgos. — F. Total Gulf G. Central Ame- 

 rica, peculiar. — H. Central America a7id Panama. — I. Central America and 

 S. America. — K. Panama, peculiar. — L. Panama and S. America. — M. 

 Total Panama. — N. TOTAL of N. American tropical fauna. 



* This figure includes Montacuta chalcedonica, found in the fronds of Murex nigritus 

 (Heigen Col.), since the Table was printed. 



