ERRATA. 



Page 4, third paragraph: Meclriocnemus should read Metriocnemus. 



Page 43, twelfth line from bottom: Culicoidies should read Culicoides. 



Page 86, eleventh line under "Commercial Possibilities:" Margaratifera should read Margaritifera. 



Page 93, Table heading: Terrapin should read terrapins. 



Last column of table: Reference b should read a in all three instances. 

 Page 105, Legend under Fig. 81: Dash line preceding hibernated should be solid line. 

 Page 127, third line from bottom in right-hand column: 775 should read 2/5. 

 Page 128, sixth line from bottom: 12S should read 727. 

 Page 138, ninth line from bottom: Second Exs should read ExS. 

 Page 18S, fifth line from bottom: ptonucleus should read pronucleus. 

 Page 193, seventh line from bottom: anlarge should read anlage. 

 Page 209, fifth line below table: peridineans should read peridinians. 

 Page 221, Last line: Colon preceding iron should be deleted. 

 Page 281, ninth line from bottom in left-hand column: 282 should read 292. 



IV 



